311 lines
16 KiB
JSON
311 lines
16 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2024-42236",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-07-30T07:40:12.252Z",
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"datePublished": "2024-08-07T15:14:25.642Z",
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"dateUpdated": "2026-08-05T11:36:01.503Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T11:36:01.503Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: configfs: Prevent OOB read/write in usb_string_copy()\n\nUserspace provided string 's' could trivially have the length zero. Left\nunchecked this will firstly result in an OOB read in the form\n`if (str[0 - 1] == '\\n') followed closely by an OOB write in the form\n`str[0 - 1] = '\\0'`.\n\nThere is already a validating check to catch strings that are too long.\nLet's supply an additional check for invalid strings that are too short."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The vulnerable input is a local `write(2)` to a USB gadget configfs attribute file (`/sys/kernel/config/usb_gadget/.../manufacturer`), not data from a USB peer or the network — no hardware, UDC binding, or physical access is needed.\nAC:L - A single deterministic `write(fd, \"\\0\", 1)` always drives `strlen()` to 0 and performs the `str[-1]` out-of-bounds access; there is no race and no condition outside the attacker's control, and heap grooming for the OOB write is attacker-driven via repeated gadget/string alloc-free cycles.\nPR:L - Some local access to the gadget configfs attributes is required, and these files are routinely delegated to non-root identities (Android chowns `/config/usb_gadget` to system:system for the non-root USB gadget HAL; embedded images commonly group-delegate it), so an unprivileged/low-privileged local process can reach the path.\nUI:N - The attacker performs the configfs write themselves; no victim action, mount, or interaction of any kind is needed.\nS:U - The out-of-bounds read and write stay within kernel heap memory managed by the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The bug is an out-of-bounds heap read plus heap corruption of an adjacent slab object, and such corruption is leveragable for information disclosure once the attacker grooms `kmalloc-128` to place a chosen victim object before the string buffer.\nI:H - `str[-1] = '\\0'` is a genuine out-of-bounds heap write that clears the trailing byte of the neighbouring `kmalloc-128` object — an attacker-groomable NUL-byte poisoning primitive that corrupts kernel data structures.\nA:H - The OOB access can fault on an unmapped/guard page (KFENCE, DEBUG_PAGEALLOC) or trip KASAN, and clearing a byte of an adjacent live slab object readily leads to a later oops or panic."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/usb/gadget/configfs.c"
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],
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"versions": [
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{
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"version": "88af8bbe4ef781031ad3370847553f3b42ba0076",
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"lessThan": "a444c3fc264119801575ab086e03fb4952f23fd0",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "88af8bbe4ef781031ad3370847553f3b42ba0076",
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"lessThan": "c95fbdde87e39e5e0ae27f28bf6711edfb985caa",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "88af8bbe4ef781031ad3370847553f3b42ba0076",
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"lessThan": "e8474a10c535e6a2024c3b06e37e4a3a23beb490",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "88af8bbe4ef781031ad3370847553f3b42ba0076",
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"lessThan": "72b8ee0d9826e8ed00e0bdfce3e46b98419b37ce",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "88af8bbe4ef781031ad3370847553f3b42ba0076",
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"lessThan": "2d16f63d8030903e5031853e79d731ee5d474e70",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "88af8bbe4ef781031ad3370847553f3b42ba0076",
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"lessThan": "d1205033e912f9332c1dbefa812e6ceb0575ce0a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "88af8bbe4ef781031ad3370847553f3b42ba0076",
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"lessThan": "eecfefad0953b2f31aaefa058f7f348ff39c4bba",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "88af8bbe4ef781031ad3370847553f3b42ba0076",
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"lessThan": "6d3c721e686ea6c59e18289b400cc95c76e927e0",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/usb/gadget/configfs.c"
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],
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"versions": [
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{
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"version": "3.10",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "3.10",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.19.318",
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"lessThanOrEqual": "4.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.4.280",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.222",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.163",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.100",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.41",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.9.10",
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"lessThanOrEqual": "6.9.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.10",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.10",
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"versionEndExcluding": "4.19.318"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.10",
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"versionEndExcluding": "5.4.280"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.10",
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"versionEndExcluding": "5.10.222"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.10",
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"versionEndExcluding": "5.15.163"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.10",
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"versionEndExcluding": "6.1.100"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.10",
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"versionEndExcluding": "6.6.41"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.10",
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"versionEndExcluding": "6.9.10"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.10",
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"versionEndExcluding": "6.10"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/a444c3fc264119801575ab086e03fb4952f23fd0"
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},
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{
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"url": "https://git.kernel.org/stable/c/c95fbdde87e39e5e0ae27f28bf6711edfb985caa"
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},
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{
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"url": "https://git.kernel.org/stable/c/e8474a10c535e6a2024c3b06e37e4a3a23beb490"
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},
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{
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"url": "https://git.kernel.org/stable/c/72b8ee0d9826e8ed00e0bdfce3e46b98419b37ce"
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},
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{
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"url": "https://git.kernel.org/stable/c/2d16f63d8030903e5031853e79d731ee5d474e70"
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},
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{
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"url": "https://git.kernel.org/stable/c/d1205033e912f9332c1dbefa812e6ceb0575ce0a"
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},
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{
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"url": "https://git.kernel.org/stable/c/eecfefad0953b2f31aaefa058f7f348ff39c4bba"
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},
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{
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"url": "https://git.kernel.org/stable/c/6d3c721e686ea6c59e18289b400cc95c76e927e0"
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}
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],
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"title": "usb: gadget: configfs: Prevent OOB read/write in usb_string_copy()",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2024-42236",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2024-09-10T16:14:04.317460Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-09-11T17:34:32.140Z"
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}
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},
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T22:02:37.767Z"
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}
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}
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]
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}
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} |