CVE-2023-52907

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-52907", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-08-21T06:07:11.015Z", "datePublished": "2024-08-21T06:10:48.171Z", "dateUpdated": "2026-08-05T09:11:54.905Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T09:11:54.905Z"}, "descriptions": [{"lang": "en", "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)"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "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."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nfc/pn533/usb.c"], "versions": [{"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "35529d6b827eedb6bf7e81130e4b7e0aba9e58d2", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "321db5131c92983dac4f3338e8fbb6df214238c0", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "9424d2205fe94a095fb9365ec0c6137f0b394a2b", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "0ca78c99656f5c448567db1e148367aa3b01c80a", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "39ae73e581112cfe27ba50aecb1c891ce57cecb1", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "8998db5021a28ad67aa8d627bdb4226e4046ccc4", "status": "affected", "versionType": "git"}, {"version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "9dab880d675b9d0dd56c6428e4e8352a3339371d", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nfc/pn533/usb.c"], "versions": [{"version": "3.1", "status": "affected"}, {"version": "0", "lessThan": "3.1", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.303", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.270", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.164", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.89", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.7", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "4.14.303"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "4.19.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.10.164"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "5.15.89"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "6.1.7"}, 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"options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:03:08.481823Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T17:33:13.576Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-52907", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:03:08.481823Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:18.145Z"}}], "cna": {"title": "nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "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."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "35529d6b827eedb6bf7e81130e4b7e0aba9e58d2", "versionType": "git"}, {"status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "321db5131c92983dac4f3338e8fbb6df214238c0", "versionType": "git"}, {"status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "9424d2205fe94a095fb9365ec0c6137f0b394a2b", "versionType": "git"}, {"status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "0ca78c99656f5c448567db1e148367aa3b01c80a", "versionType": "git"}, {"status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "39ae73e581112cfe27ba50aecb1c891ce57cecb1", "versionType": "git"}, {"status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "8998db5021a28ad67aa8d627bdb4226e4046ccc4", "versionType": "git"}, {"status": "affected", "version": "c46ee38620a2aa2b25b16bc9738ace80dbff76a4", "lessThan": "9dab880d675b9d0dd56c6428e4e8352a3339371d", "versionType": "git"}], "programFiles": ["drivers/nfc/pn533/usb.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.1"}, {"status": "unaffected", "version": "0", "lessThan": "3.1", "versionType": "semver"}, {"status": "unaffected", "version": "4.14.303", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.270", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.229", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.164", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.89", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.7", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/nfc/pn533/usb.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/35529d6b827eedb6bf7e81130e4b7e0aba9e58d2"}, {"url": "https://git.kernel.org/stable/c/321db5131c92983dac4f3338e8fbb6df214238c0"}, {"url": "https://git.kernel.org/stable/c/9424d2205fe94a095fb9365ec0c6137f0b394a2b"}, {"url": "https://git.kernel.org/stable/c/0ca78c99656f5c448567db1e148367aa3b01c80a"}, {"url": "https://git.kernel.org/stable/c/39ae73e581112cfe27ba50aecb1c891ce57cecb1"}, {"url": "https://git.kernel.org/stable/c/8998db5021a28ad67aa8d627bdb4226e4046ccc4"}, {"url": "https://git.kernel.org/stable/c/9dab880d675b9d0dd56c6428e4e8352a3339371d"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "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)"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.303", "versionStartIncluding": "3.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.270", "versionStartIncluding": "3.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.229", "versionStartIncluding": "3.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.164", "versionStartIncluding": "3.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.89", "versionStartIncluding": "3.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.7", "versionStartIncluding": "3.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.2", "versionStartIncluding": "3.1"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T09:11:54.905Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52907", "state": "PUBLISHED", "dateUpdated": "2026-08-05T09:11:54.905Z", "dateReserved": "2024-08-21T06:07:11.015Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-08-21T06:10:48.171Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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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)"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nfc: pn533: espere a que se complete out_urb en pn533_usb_send_frame() Se corrige un use-after-free que ocurre en hcd cuando in_urb enviado desde pn533_usb_send_frame() se completa antes que out_urb. Su devoluci\u00f3n de llamada libera los datos de skb en pn533_send_async_complete() que se utilizan como b\u00fafer de transferencia de out_urb. Espere antes de enviar in_urb hasta que se llame a la devoluci\u00f3n de llamada de out_urb. Para modificar la devoluci\u00f3n de llamada de out_urb solo, separe la funci\u00f3n completa de out_urb y ack_urb. Encontrado por una versi\u00f3n modificada de syzkaller. ERROR: KASAN: use-after-free en dummy_timer Rastreo de llamadas: memcpy (mm/kasan/shadow.c:65) dummy_perform_transfer (drivers/usb/gadget/udc/dummy_hcd.c:1352) transfer (drivers/usb/gadget/ udc/dummy_hcd.c:1453) dummy_timer (drivers/usb/gadget/udc/dummy_hcd.c:1972) arch_static_branch (arch/x86/include/asm/jump_label.h:27) static_key_false (include/linux/jump_label.h: 207) timer_expire_exit (include/trace/events/timer.h:127) call_timer_fn (kernel/time/timer.c:1475) expire_timers (kernel/time/timer.c:1519) __run_timers (kernel/time/timer.c: 1790) run_timer_softirq (n\u00facleo/hora/timer.c:1803)"}], "id": "CVE-2023-52907", "lastModified": "2026-08-04T10:18:48.300", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52907", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T16:03:08.481823Z", "version": "2.0.3"}}]}, "published": "2024-08-21T07:15:06.733", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0ca78c99656f5c448567db1e148367aa3b01c80a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/321db5131c92983dac4f3338e8fbb6df214238c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/35529d6b827eedb6bf7e81130e4b7e0aba9e58d2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/39ae73e581112cfe27ba50aecb1c891ce57cecb1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8998db5021a28ad67aa8d627bdb4226e4046ccc4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9424d2205fe94a095fb9365ec0c6137f0b394a2b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9dab880d675b9d0dd56c6428e4e8352a3339371d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()", "id": "2306435", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2306435"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()\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.\nFound by a modified version of syzkaller.\nBUG: KASAN: use-after-free in dummy_timer\nCall Trace:\nmemcpy (mm/kasan/shadow.c:65)\ndummy_perform_transfer (drivers/usb/gadget/udc/dummy_hcd.c:1352)\ntransfer (drivers/usb/gadget/udc/dummy_hcd.c:1453)\ndummy_timer (drivers/usb/gadget/udc/dummy_hcd.c:1972)\narch_static_branch (arch/x86/include/asm/jump_label.h:27)\nstatic_key_false (include/linux/jump_label.h:207)\ntimer_expire_exit (include/trace/events/timer.h:127)\ncall_timer_fn (kernel/time/timer.c:1475)\nexpire_timers (kernel/time/timer.c:1519)\n__run_timers (kernel/time/timer.c:1790)\nrun_timer_softirq (kernel/time/timer.c:1803)"], "name": "CVE-2023-52907", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-08-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52907\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52907\nhttps://lore.kernel.org/linux-cve-announce/2024082114-CVE-2023-52907-faaf@gregkh/T"], "threat_severity": "Moderate"}

{}