217 lines
11 KiB
JSON
217 lines
11 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-2026-53178",
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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": "2026-06-09T07:44:35.389Z",
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"datePublished": "2026-06-25T08:38:54.018Z",
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"dateUpdated": "2026-10-30T12:26:42.902Z"
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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": "2026-10-30T12:26:42.902Z"
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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\nstaging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction\n\nAdd guards to ensure ie_length is large enough before subtracting\nfixed IE offsets to prevent unsigned integer underflow."
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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:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
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"baseScore": 8.1,
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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:A - The vulnerable rtl8723bs path processes 802.11 beacon/probe response information from nearby WiFi radios during scan/join/roam handling, so the attacker must be within wireless range rather than on an IP network.\nAC:L - An attacker can craft and transmit malformed management-frame data and trigger repeated scan/join candidate processing; no race or hard-to-control memory layout condition is required to reach the vulnerable IE walker.\nPR:N - The over-the-air management frames are processed before any WiFi authentication with the attacker-controlled AP/BSS, so no local or authenticated privileges are required.\nUI:N - Once the interface is scanning or attempting WPS/join/roam, the driver processes received management frames without a per-attack victim action.\nS:U - The impact is within the kernel/driver security authority and does not cross a hypervisor, IOMMU, or separate security scope boundary.\nC:H - The WPS path can underflow the IE length and pass a huge unsigned bound to `rtw_get_wps_ie`, causing an unbounded out-of-bounds kernel memory read.\nI:N - The affected calls only scan/compare IE bytes and do not copy attacker data into an out-of-bounds destination or provide an apparent write primitive.\nA:H - The out-of-bounds kernel read can fault or otherwise destabilize the kernel driver, making a kernel crash/oops a plausible outcome."
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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/staging/rtl8723bs/core/rtw_mlme.c"
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],
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"versions": [
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{
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"version": "d3fcee1b78a533c256077f1300dd236801397cf7",
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"lessThan": "18143799ad51a32b1351e4e1591b6285a0a9d7dd",
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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": "d3fcee1b78a533c256077f1300dd236801397cf7",
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"lessThan": "8863ac3a4fedf86b0ef5b8ecc37fbaa52f2a8160",
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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": "d3fcee1b78a533c256077f1300dd236801397cf7",
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"lessThan": "637e0ea73f690028796ee2fc72a2ac4ec32968c6",
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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": "d3fcee1b78a533c256077f1300dd236801397cf7",
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"lessThan": "542d65a6dbd9733baab96313c9fe76a76e93f484",
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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": "d3fcee1b78a533c256077f1300dd236801397cf7",
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"lessThan": "88e994c57a79f62d5338231d8d37ee8dd98baffe",
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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": "1b786350924cc0fa30d4434470b32f24e8ddd107",
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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": "5.10.273",
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"lessThan": "5.11",
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"status": "affected",
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"versionType": "semver"
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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/staging/rtl8723bs/core/rtw_mlme.c"
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],
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"versions": [
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{
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"version": "5.15",
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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": "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": "6.6.160",
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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": "6.12.114",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.52",
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"lessThanOrEqual": "6.18.*",
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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": "7.0.13",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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": "5.15",
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"versionEndExcluding": "6.6.160"
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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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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "7.0.13"
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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": "5.15",
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"versionEndExcluding": "7.1"
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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": "5.10.273"
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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/18143799ad51a32b1351e4e1591b6285a0a9d7dd"
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},
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{
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"url": "https://git.kernel.org/stable/c/8863ac3a4fedf86b0ef5b8ecc37fbaa52f2a8160"
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},
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{
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"url": "https://git.kernel.org/stable/c/637e0ea73f690028796ee2fc72a2ac4ec32968c6"
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},
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{
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"url": "https://git.kernel.org/stable/c/542d65a6dbd9733baab96313c9fe76a76e93f484"
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},
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{
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"url": "https://git.kernel.org/stable/c/88e994c57a79f62d5338231d8d37ee8dd98baffe"
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}
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],
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"title": "staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction",
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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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}
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} |