277 lines
15 KiB
JSON
277 lines
15 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-2023-52907",
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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": "2024-08-21T06:07:11.015Z",
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"datePublished": "2024-08-21T06:10:48.171Z",
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"dateUpdated": "2026-08-05T09:11:54.905Z"
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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": "2026-08-05T09:11:54.905Z"
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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\nnfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()\n\nFix a use-after-free that occurs in hcd when in_urb sent from\npn533_usb_send_frame() is completed earlier than out_urb. Its callback\nfrees the skb data in pn533_send_async_complete() that is used as a\ntransfer buffer of out_urb. Wait before sending in_urb until the\ncallback of out_urb is called. To modify the callback of out_urb alone,\nseparate the complete function of out_urb and ack_urb.\n\nFound by a modified version of syzkaller.\n\nBUG: KASAN: use-after-free in dummy_timer\nCall Trace:\n memcpy (mm/kasan/shadow.c:65)\n dummy_perform_transfer (drivers/usb/gadget/udc/dummy_hcd.c:1352)\n transfer (drivers/usb/gadget/udc/dummy_hcd.c:1453)\n dummy_timer (drivers/usb/gadget/udc/dummy_hcd.c:1972)\n arch_static_branch (arch/x86/include/asm/jump_label.h:27)\n static_key_false (include/linux/jump_label.h:207)\n timer_expire_exit (include/trace/events/timer.h:127)\n call_timer_fn (kernel/time/timer.c:1475)\n expire_timers (kernel/time/timer.c:1519)\n __run_timers (kernel/time/timer.c:1790)\n run_timer_softirq (kernel/time/timer.c:1803)"
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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 bug is reached via the local NFC control path (netlink GENL ops and AF_NFC sockets) that drives pn533_usb_send_frame() on an attached PN533 USB reader; a local attacker issues those host-side commands rather than exploiting a remote network service.\nAC:L - The race is between out_urb and in_urb completion that the attacker influences by submitting NFC/USB traffic (and fully controls with a USB gadget/dummy_hcd as in the syzkaller report), so success does not depend on conditions outside attacker influence.\nPR:L - Although NFC_CMD_DEV_UP/START_POLL require CAP_NET_ADMIN in the init user namespace, once a reader is up with targets an unprivileged AF_NFC SOCK_SEQPACKET client can connect, activate, and send data into pn533_transceive()/send_frame without further capabilities.\nUI:N - No separate victim action is required; exploitation proceeds by issuing NFC commands against an already-present PN533 USB device (or during automatic probe/setup traffic).\nS:U - This is a host-kernel UAF in the PN533 USB transport with impact confined to the same kernel authority; it is not a VM/IOMMU/sandbox boundary escape.\nC:H - The UAF frees the skb backing out_urb's transfer_buffer while the HCD still reads it, enabling heap-reuse disclosure of kernel memory (including to a colluding USB endpoint) per UAF scoring guidance.\nI:H - Use-after-free of the in-flight USB transfer buffer is memory corruption that can be leveraged via heap reuse for integrity compromise and control-flow hijacking under standard UAF exploitation.\nA:H - The same UAF triggers KASAN reports/oopses and unstable USB HCD access to freed memory, so availability impact is a kernel crash or hang."
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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/nfc/pn533/usb.c"
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],
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"versions": [
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{
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"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4",
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"lessThan": "35529d6b827eedb6bf7e81130e4b7e0aba9e58d2",
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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": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4",
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"lessThan": "321db5131c92983dac4f3338e8fbb6df214238c0",
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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": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4",
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"lessThan": "9424d2205fe94a095fb9365ec0c6137f0b394a2b",
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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": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4",
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"lessThan": "0ca78c99656f5c448567db1e148367aa3b01c80a",
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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": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4",
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"lessThan": "39ae73e581112cfe27ba50aecb1c891ce57cecb1",
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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": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4",
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"lessThan": "8998db5021a28ad67aa8d627bdb4226e4046ccc4",
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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": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4",
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"lessThan": "9dab880d675b9d0dd56c6428e4e8352a3339371d",
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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/nfc/pn533/usb.c"
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],
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"versions": [
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{
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"version": "3.1",
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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": "3.1",
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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": "4.14.303",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.270",
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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": "5.4.229",
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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": "5.10.164",
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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": "5.15.89",
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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": "6.1.7",
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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": "6.2",
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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": "3.1",
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"versionEndExcluding": "4.14.303"
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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": "3.1",
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"versionEndExcluding": "4.19.270"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.1",
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"versionEndExcluding": "5.4.229"
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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": "3.1",
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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": "3.1",
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"versionEndExcluding": "6.1.7"
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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": "3.1",
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"versionEndExcluding": "6.2"
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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/35529d6b827eedb6bf7e81130e4b7e0aba9e58d2"
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},
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{
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"url": "https://git.kernel.org/stable/c/321db5131c92983dac4f3338e8fbb6df214238c0"
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},
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{
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"url": "https://git.kernel.org/stable/c/9424d2205fe94a095fb9365ec0c6137f0b394a2b"
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},
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{
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"url": "https://git.kernel.org/stable/c/0ca78c99656f5c448567db1e148367aa3b01c80a"
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},
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{
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"url": "https://git.kernel.org/stable/c/39ae73e581112cfe27ba50aecb1c891ce57cecb1"
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},
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{
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"url": "https://git.kernel.org/stable/c/8998db5021a28ad67aa8d627bdb4226e4046ccc4"
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},
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{
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"url": "https://git.kernel.org/stable/c/9dab880d675b9d0dd56c6428e4e8352a3339371d"
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}
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],
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"title": "nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()",
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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-2023-52907",
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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": "2024-09-10T16:03:08.481823Z"
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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": "2024-09-12T17:33:13.576Z"
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}
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}
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]
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}
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} |