CVE-2023-53213 (GCVE-0-2023-53213)

Vulnerability from cvelistv5 – Published: 2025-09-15 14:21 – Updated: 2026-08-05 09:13
VLAI
Title
wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies() Fix a slab-out-of-bounds read that occurs in kmemdup() called from brcmf_get_assoc_ies(). The bug could occur when assoc_info->req_len, data from a URB provided by a USB device, is bigger than the size of buffer which is defined as WL_EXTRA_BUF_MAX. Add the size check for req_len/resp_len of assoc_info. Found by a modified version of syzkaller. [ 46.592467][ T7] ================================================================== [ 46.594687][ T7] BUG: KASAN: slab-out-of-bounds in kmemdup+0x3e/0x50 [ 46.596572][ T7] Read of size 3014656 at addr ffff888019442000 by task kworker/0:1/7 [ 46.598575][ T7] [ 46.599157][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G O 5.14.0+ #145 [ 46.601333][ T7] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014 [ 46.604360][ T7] Workqueue: events brcmf_fweh_event_worker [ 46.605943][ T7] Call Trace: [ 46.606584][ T7] dump_stack_lvl+0x8e/0xd1 [ 46.607446][ T7] print_address_description.constprop.0.cold+0x93/0x334 [ 46.608610][ T7] ? kmemdup+0x3e/0x50 [ 46.609341][ T7] kasan_report.cold+0x79/0xd5 [ 46.610151][ T7] ? kmemdup+0x3e/0x50 [ 46.610796][ T7] kasan_check_range+0x14e/0x1b0 [ 46.611691][ T7] memcpy+0x20/0x60 [ 46.612323][ T7] kmemdup+0x3e/0x50 [ 46.612987][ T7] brcmf_get_assoc_ies+0x967/0xf60 [ 46.613904][ T7] ? brcmf_notify_vif_event+0x3d0/0x3d0 [ 46.614831][ T7] ? lock_chain_count+0x20/0x20 [ 46.615683][ T7] ? mark_lock.part.0+0xfc/0x2770 [ 46.616552][ T7] ? lock_chain_count+0x20/0x20 [ 46.617409][ T7] ? mark_lock.part.0+0xfc/0x2770 [ 46.618244][ T7] ? lock_chain_count+0x20/0x20 [ 46.619024][ T7] brcmf_bss_connect_done.constprop.0+0x241/0x2e0 [ 46.620019][ T7] ? brcmf_parse_configure_security.isra.0+0x2a0/0x2a0 [ 46.620818][ T7] ? __lock_acquire+0x181f/0x5790 [ 46.621462][ T7] brcmf_notify_connect_status+0x448/0x1950 [ 46.622134][ T7] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 46.622736][ T7] ? brcmf_cfg80211_join_ibss+0x7b0/0x7b0 [ 46.623390][ T7] ? find_held_lock+0x2d/0x110 [ 46.623962][ T7] ? brcmf_fweh_event_worker+0x19f/0xc60 [ 46.624603][ T7] ? mark_held_locks+0x9f/0xe0 [ 46.625145][ T7] ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0 [ 46.625871][ T7] ? brcmf_cfg80211_join_ibss+0x7b0/0x7b0 [ 46.626545][ T7] brcmf_fweh_call_event_handler.isra.0+0x90/0x100 [ 46.627338][ T7] brcmf_fweh_event_worker+0x557/0xc60 [ 46.627962][ T7] ? brcmf_fweh_call_event_handler.isra.0+0x100/0x100 [ 46.628736][ T7] ? rcu_read_lock_sched_held+0xa1/0xd0 [ 46.629396][ T7] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 46.629970][ T7] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 46.630649][ T7] process_one_work+0x92b/0x1460 [ 46.631205][ T7] ? pwq_dec_nr_in_flight+0x330/0x330 [ 46.631821][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 46.632347][ T7] worker_thread+0x95/0xe00 [ 46.632832][ T7] ? __kthread_parkme+0x115/0x1e0 [ 46.633393][ T7] ? process_one_work+0x1460/0x1460 [ 46.633957][ T7] kthread+0x3a1/0x480 [ 46.634369][ T7] ? set_kthread_struct+0x120/0x120 [ 46.634933][ T7] ret_from_fork+0x1f/0x30 [ 46.635431][ T7] [ 46.635687][ T7] Allocated by task 7: [ 46.636151][ T7] kasan_save_stack+0x1b/0x40 [ 46.636628][ T7] __kasan_kmalloc+0x7c/0x90 [ 46.637108][ T7] kmem_cache_alloc_trace+0x19e/0x330 [ 46.637696][ T7] brcmf_cfg80211_attach+0x4a0/0x4040 [ 46.638275][ T7] brcmf_attach+0x389/0xd40 [ 46.638739][ T7] brcmf_usb_probe+0x12de/0x1690 [ 46.639279][ T7] usb_probe_interface+0x2aa/0x760 [ 46.639820][ T7] really_probe+0x205/0xb70 [ 46.640342][ T7] __driver_probe_device+0 ---truncated---
Severity
8.1 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 17:48 UTC
CWE
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6666 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: cf2b448852abd47cee21007b8313fbf962bf3c9a , < ac5305e5d227b9af3aae25fa83380d3ff0225b73 (git)
Affected: cf2b448852abd47cee21007b8313fbf962bf3c9a , < 39f9bd880abac6068bedb24a4e16e7bd26bf92da (git)
Affected: cf2b448852abd47cee21007b8313fbf962bf3c9a , < 425eea395f1f5ae349fb55f7fe51d833a5324bfe (git)
Affected: cf2b448852abd47cee21007b8313fbf962bf3c9a , < 549825602e3e6449927ca1ea1a08fd89868439df (git)
Affected: cf2b448852abd47cee21007b8313fbf962bf3c9a , < 936a23293bbb3332bdf4cdb9c1496e80cb0bc2c8 (git)
Affected: cf2b448852abd47cee21007b8313fbf962bf3c9a , < e29661611e6e71027159a3140e818ef3b99f32dd (git)
Affected: cf2b448852abd47cee21007b8313fbf962bf3c9a , < 228186629ea970cc78b7d7d5f593f2d32fddf9f6 (git)
Affected: cf2b448852abd47cee21007b8313fbf962bf3c9a , < 21bee3e649d87f78fe8aef6ae02edd3d6f310fd0 (git)
Affected: cf2b448852abd47cee21007b8313fbf962bf3c9a , < 0da40e018fd034d87c9460123fa7f897b69fdee7 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.37
Unaffected: 0 , < 2.6.37 (semver)
Unaffected: 4.14.315 , ≤ 4.14.* (semver)
Unaffected: 4.19.283 , ≤ 4.19.* (semver)
Unaffected: 5.4.243 , ≤ 5.4.* (semver)
Unaffected: 5.10.180 , ≤ 5.10.* (semver)
Unaffected: 5.15.110 , ≤ 5.15.* (semver)
Unaffected: 6.1.27 , ≤ 6.1.* (semver)
Unaffected: 6.2.14 , ≤ 6.2.* (semver)
Unaffected: 6.3.1 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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{
  "containers": {
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              "attackComplexity": "LOW",
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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          "programFiles": [
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          "vendor": "Linux",
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
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      "cpeApplicability": [
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                {
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()\n\nFix a slab-out-of-bounds read that occurs in kmemdup() called from\nbrcmf_get_assoc_ies().\nThe bug could occur when assoc_info-\u003ereq_len, data from a URB provided\nby a USB device, is bigger than the size of buffer which is defined as\nWL_EXTRA_BUF_MAX.\n\nAdd the size check for req_len/resp_len of assoc_info.\n\nFound by a modified version of syzkaller.\n\n[   46.592467][    T7] ==================================================================\n[   46.594687][    T7] BUG: KASAN: slab-out-of-bounds in kmemdup+0x3e/0x50\n[   46.596572][    T7] Read of size 3014656 at addr ffff888019442000 by task kworker/0:1/7\n[   46.598575][    T7]\n[   46.599157][    T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G           O      5.14.0+ #145\n[   46.601333][    T7] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014\n[   46.604360][    T7] Workqueue: events brcmf_fweh_event_worker\n[   46.605943][    T7] Call Trace:\n[   46.606584][    T7]  dump_stack_lvl+0x8e/0xd1\n[   46.607446][    T7]  print_address_description.constprop.0.cold+0x93/0x334\n[   46.608610][    T7]  ? kmemdup+0x3e/0x50\n[   46.609341][    T7]  kasan_report.cold+0x79/0xd5\n[   46.610151][    T7]  ? kmemdup+0x3e/0x50\n[   46.610796][    T7]  kasan_check_range+0x14e/0x1b0\n[   46.611691][    T7]  memcpy+0x20/0x60\n[   46.612323][    T7]  kmemdup+0x3e/0x50\n[   46.612987][    T7]  brcmf_get_assoc_ies+0x967/0xf60\n[   46.613904][    T7]  ? brcmf_notify_vif_event+0x3d0/0x3d0\n[   46.614831][    T7]  ? lock_chain_count+0x20/0x20\n[   46.615683][    T7]  ? mark_lock.part.0+0xfc/0x2770\n[   46.616552][    T7]  ? lock_chain_count+0x20/0x20\n[   46.617409][    T7]  ? mark_lock.part.0+0xfc/0x2770\n[   46.618244][    T7]  ? lock_chain_count+0x20/0x20\n[   46.619024][    T7]  brcmf_bss_connect_done.constprop.0+0x241/0x2e0\n[   46.620019][    T7]  ? brcmf_parse_configure_security.isra.0+0x2a0/0x2a0\n[   46.620818][    T7]  ? __lock_acquire+0x181f/0x5790\n[   46.621462][    T7]  brcmf_notify_connect_status+0x448/0x1950\n[   46.622134][    T7]  ? rcu_read_lock_bh_held+0xb0/0xb0\n[   46.622736][    T7]  ? brcmf_cfg80211_join_ibss+0x7b0/0x7b0\n[   46.623390][    T7]  ? find_held_lock+0x2d/0x110\n[   46.623962][    T7]  ? brcmf_fweh_event_worker+0x19f/0xc60\n[   46.624603][    T7]  ? mark_held_locks+0x9f/0xe0\n[   46.625145][    T7]  ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0\n[   46.625871][    T7]  ? brcmf_cfg80211_join_ibss+0x7b0/0x7b0\n[   46.626545][    T7]  brcmf_fweh_call_event_handler.isra.0+0x90/0x100\n[   46.627338][    T7]  brcmf_fweh_event_worker+0x557/0xc60\n[   46.627962][    T7]  ? brcmf_fweh_call_event_handler.isra.0+0x100/0x100\n[   46.628736][    T7]  ? rcu_read_lock_sched_held+0xa1/0xd0\n[   46.629396][    T7]  ? rcu_read_lock_bh_held+0xb0/0xb0\n[   46.629970][    T7]  ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n[   46.630649][    T7]  process_one_work+0x92b/0x1460\n[   46.631205][    T7]  ? pwq_dec_nr_in_flight+0x330/0x330\n[   46.631821][    T7]  ? rwlock_bug.part.0+0x90/0x90\n[   46.632347][    T7]  worker_thread+0x95/0xe00\n[   46.632832][    T7]  ? __kthread_parkme+0x115/0x1e0\n[   46.633393][    T7]  ? process_one_work+0x1460/0x1460\n[   46.633957][    T7]  kthread+0x3a1/0x480\n[   46.634369][    T7]  ? set_kthread_struct+0x120/0x120\n[   46.634933][    T7]  ret_from_fork+0x1f/0x30\n[   46.635431][    T7]\n[   46.635687][    T7] Allocated by task 7:\n[   46.636151][    T7]  kasan_save_stack+0x1b/0x40\n[   46.636628][    T7]  __kasan_kmalloc+0x7c/0x90\n[   46.637108][    T7]  kmem_cache_alloc_trace+0x19e/0x330\n[   46.637696][    T7]  brcmf_cfg80211_attach+0x4a0/0x4040\n[   46.638275][    T7]  brcmf_attach+0x389/0xd40\n[   46.638739][    T7]  brcmf_usb_probe+0x12de/0x1690\n[   46.639279][    T7]  usb_probe_interface+0x2aa/0x760\n[   46.639820][    T7]  really_probe+0x205/0xb70\n[   46.640342][    T7]  __driver_probe_device+0\n---truncated---"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "scenarios": [
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              "value": "AV:A - brcmf_get_assoc_ies() runs on association/roam completion and trusts assoc_info req_len/resp_len from the fullmac firmware path driven by a wireless peer association; a malicious AP (or WiFi-NIC firmware compromise, treated as an over-the-air class) within radio range can induce oversized lengths, matching Adjacent scoring for unvalidated WiFi firmware-event bugs.\nAC:L - The attacker fully controls the length fields returned for the assoc_info iovar (malicious AP IE sizes or forged firmware/USB responses) and triggers connect/roam completion deterministically, with no race or layout dependency outside attacker influence.\nPR:N - No account or capability on the victim is required; a same-segment attacker only needs the station to associate (evil twin / open hotspot), and the vulnerable worker runs in kernel context with no authentication gate on the assoc_info response.\nUI:N - Auto-reconnect to an evil twin of a saved SSID, or NetworkManager bringing up a newly attached WiFi interface, completes association without further victim action; the attacker\u2019s presence on the air segment is already priced into AV:A.\nS:U - The OOB read and nl80211 disclosure stay inside the host kernel\u2019s own memory and security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Attacker-controlled req_len/resp_len cause kmemdup() to read far past the 2048-byte extra_buf into adjacent slab, and that data is published to userspace via nl80211 connect/roam netlink multicast\u2014an unbounded kernel heap disclosure.\nI:N - The defect is a pure out-of-bounds read: kmemdup only uses the oversized length as a memcpy source into a freshly allocated buffer, with no out-of-bounds or attacker-controlled write into existing kernel objects.\nA:H - The KASAN report documents a kernel panic on the multi-megabyte OOB read, and even modest oversize past the slab object can oops/panic the connect worker, repeatable on each association."
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        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()\n\nFix a slab-out-of-bounds read that occurs in kmemdup() called from\nbrcmf_get_assoc_ies().\nThe bug could occur when assoc_info-\u003ereq_len, data from a URB provided\nby a USB device, is bigger than the size of buffer which is defined as\nWL_EXTRA_BUF_MAX.\n\nAdd the size check for req_len/resp_len of assoc_info.\n\nFound by a modified version of syzkaller.\n\n[   46.592467][    T7] ==================================================================\n[   46.594687][    T7] BUG: KASAN: slab-out-of-bounds in kmemdup+0x3e/0x50\n[   46.596572][    T7] Read of size 3014656 at addr ffff888019442000 by task kworker/0:1/7\n[   46.598575][    T7]\n[   46.599157][    T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G           O      5.14.0+ #145\n[   46.601333][    T7] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014\n[   46.604360][    T7] Workqueue: events brcmf_fweh_event_worker\n[   46.605943][    T7] Call Trace:\n[   46.606584][    T7]  dump_stack_lvl+0x8e/0xd1\n[   46.607446][    T7]  print_address_description.constprop.0.cold+0x93/0x334\n[   46.608610][    T7]  ? kmemdup+0x3e/0x50\n[   46.609341][    T7]  kasan_report.cold+0x79/0xd5\n[   46.610151][    T7]  ? kmemdup+0x3e/0x50\n[   46.610796][    T7]  kasan_check_range+0x14e/0x1b0\n[   46.611691][    T7]  memcpy+0x20/0x60\n[   46.612323][    T7]  kmemdup+0x3e/0x50\n[   46.612987][    T7]  brcmf_get_assoc_ies+0x967/0xf60\n[   46.613904][    T7]  ? brcmf_notify_vif_event+0x3d0/0x3d0\n[   46.614831][    T7]  ? lock_chain_count+0x20/0x20\n[   46.615683][    T7]  ? mark_lock.part.0+0xfc/0x2770\n[   46.616552][    T7]  ? lock_chain_count+0x20/0x20\n[   46.617409][    T7]  ? mark_lock.part.0+0xfc/0x2770\n[   46.618244][    T7]  ? lock_chain_count+0x20/0x20\n[   46.619024][    T7]  brcmf_bss_connect_done.constprop.0+0x241/0x2e0\n[   46.620019][    T7]  ? brcmf_parse_configure_security.isra.0+0x2a0/0x2a0\n[   46.620818][    T7]  ? __lock_acquire+0x181f/0x5790\n[   46.621462][    T7]  brcmf_notify_connect_status+0x448/0x1950\n[   46.622134][    T7]  ? rcu_read_lock_bh_held+0xb0/0xb0\n[   46.622736][    T7]  ? brcmf_cfg80211_join_ibss+0x7b0/0x7b0\n[   46.623390][    T7]  ? find_held_lock+0x2d/0x110\n[   46.623962][    T7]  ? brcmf_fweh_event_worker+0x19f/0xc60\n[   46.624603][    T7]  ? mark_held_locks+0x9f/0xe0\n[   46.625145][    T7]  ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0\n[   46.625871][    T7]  ? brcmf_cfg80211_join_ibss+0x7b0/0x7b0\n[   46.626545][    T7]  brcmf_fweh_call_event_handler.isra.0+0x90/0x100\n[   46.627338][    T7]  brcmf_fweh_event_worker+0x557/0xc60\n[   46.627962][    T7]  ? brcmf_fweh_call_event_handler.isra.0+0x100/0x100\n[   46.628736][    T7]  ? rcu_read_lock_sched_held+0xa1/0xd0\n[   46.629396][    T7]  ? rcu_read_lock_bh_held+0xb0/0xb0\n[   46.629970][    T7]  ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n[   46.630649][    T7]  process_one_work+0x92b/0x1460\n[   46.631205][    T7]  ? pwq_dec_nr_in_flight+0x330/0x330\n[   46.631821][    T7]  ? rwlock_bug.part.0+0x90/0x90\n[   46.632347][    T7]  worker_thread+0x95/0xe00\n[   46.632832][    T7]  ? __kthread_parkme+0x115/0x1e0\n[   46.633393][    T7]  ? process_one_work+0x1460/0x1460\n[   46.633957][    T7]  kthread+0x3a1/0x480\n[   46.634369][    T7]  ? set_kthread_struct+0x120/0x120\n[   46.634933][    T7]  ret_from_fork+0x1f/0x30\n[   46.635431][    T7]\n[   46.635687][    T7] Allocated by task 7:\n[   46.636151][    T7]  kasan_save_stack+0x1b/0x40\n[   46.636628][    T7]  __kasan_kmalloc+0x7c/0x90\n[   46.637108][    T7]  kmem_cache_alloc_trace+0x19e/0x330\n[   46.637696][    T7]  brcmf_cfg80211_attach+0x4a0/0x4040\n[   46.638275][    T7]  brcmf_attach+0x389/0xd40\n[   46.638739][    T7]  brcmf_usb_probe+0x12de/0x1690\n[   46.639279][    T7]  usb_probe_interface+0x2aa/0x760\n[   46.639820][    T7]  really_probe+0x205/0xb70\n[   46.640342][    T7]  __driver_probe_device+0\n---truncated---"
          }
        ],
        "id": "CVE-2023-53213",
        "lastModified": "2026-08-04T10:18:57.867",
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        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
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            "description": [
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                "lang": "en",
                "value": "CWE-125"
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            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
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                "lang": "en",
                "value": "CWE-125"
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            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-21T18:52:08+00:00",
      "cve": "CVE-2023-53213",
      "id": "CVE-2023-53213",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "778",
      "product_status:known_affected": "152",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53213.json",
      "version": "3"
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    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-12T00:25:37Z",
      "cve": "CVE-2023-53213",
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      "initial_release_date": "2025-09-15T23:27:36Z",
      "product_status:known_not_affected": "290",
      "product_status:recommended": "350",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53213",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53213.json",
      "version": "31"
    },
    "vulnrichment": {
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                "cvssV3_1": {
                  "attackComplexity": "LOW",
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                  "availabilityImpact": "HIGH",
                  "baseScore": 7.1,
                  "baseSeverity": "HIGH",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-53213",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
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                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-01-14T17:48:48.083360Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
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              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
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                    "description": "CWE-125 Out-of-bounds Read",
                    "lang": "en",
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                ]
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            "providerMetadata": {
              "dateUpdated": "2026-01-14T17:48:43.792Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
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            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
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                  "versionType": "git"
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                {
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                },
                {
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                {
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                  "status": "affected",
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                },
                {
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                  "status": "affected",
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                  "versionType": "git"
                },
                {
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                  "status": "affected",
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                  "versionType": "git"
                },
                {
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                {
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                  "versionType": "git"
                },
                {
                  "lessThan": "0da40e018fd034d87c9460123fa7f897b69fdee7",
                  "status": "affected",
                  "version": "cf2b448852abd47cee21007b8313fbf962bf3c9a",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "2.6.37"
                },
                {
                  "lessThan": "2.6.37",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "4.14.*",
                  "status": "unaffected",
                  "version": "4.14.315",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "4.19.*",
                  "status": "unaffected",
                  "version": "4.19.283",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.4.*",
                  "status": "unaffected",
                  "version": "5.4.243",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.180",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.110",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.27",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.2.*",
                  "status": "unaffected",
                  "version": "6.2.14",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.3.*",
                  "status": "unaffected",
                  "version": "6.3.1",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.4",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.14.315",
                      "versionStartIncluding": "2.6.37",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.19.283",
                      "versionStartIncluding": "2.6.37",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.4.243",
                      "versionStartIncluding": "2.6.37",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.180",
                      "versionStartIncluding": "2.6.37",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.110",
                      "versionStartIncluding": "2.6.37",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.27",
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                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.2.14",
                      "versionStartIncluding": "2.6.37",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.3.1",
                      "versionStartIncluding": "2.6.37",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.4",
                      "versionStartIncluding": "2.6.37",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()\n\nFix a slab-out-of-bounds read that occurs in kmemdup() called from\nbrcmf_get_assoc_ies().\nThe bug could occur when assoc_info-\u003ereq_len, data from a URB provided\nby a USB device, is bigger than the size of buffer which is defined as\nWL_EXTRA_BUF_MAX.\n\nAdd the size check for req_len/resp_len of assoc_info.\n\nFound by a modified version of syzkaller.\n\n[   46.592467][    T7] ==================================================================\n[   46.594687][    T7] BUG: KASAN: slab-out-of-bounds in kmemdup+0x3e/0x50\n[   46.596572][    T7] Read of size 3014656 at addr ffff888019442000 by task kworker/0:1/7\n[   46.598575][    T7]\n[   46.599157][    T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G           O      5.14.0+ #145\n[   46.601333][    T7] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014\n[   46.604360][    T7] Workqueue: events brcmf_fweh_event_worker\n[   46.605943][    T7] Call Trace:\n[   46.606584][    T7]  dump_stack_lvl+0x8e/0xd1\n[   46.607446][    T7]  print_address_description.constprop.0.cold+0x93/0x334\n[   46.608610][    T7]  ? kmemdup+0x3e/0x50\n[   46.609341][    T7]  kasan_report.cold+0x79/0xd5\n[   46.610151][    T7]  ? kmemdup+0x3e/0x50\n[   46.610796][    T7]  kasan_check_range+0x14e/0x1b0\n[   46.611691][    T7]  memcpy+0x20/0x60\n[   46.612323][    T7]  kmemdup+0x3e/0x50\n[   46.612987][    T7]  brcmf_get_assoc_ies+0x967/0xf60\n[   46.613904][    T7]  ? brcmf_notify_vif_event+0x3d0/0x3d0\n[   46.614831][    T7]  ? lock_chain_count+0x20/0x20\n[   46.615683][    T7]  ? mark_lock.part.0+0xfc/0x2770\n[   46.616552][    T7]  ? lock_chain_count+0x20/0x20\n[   46.617409][    T7]  ? mark_lock.part.0+0xfc/0x2770\n[   46.618244][    T7]  ? lock_chain_count+0x20/0x20\n[   46.619024][    T7]  brcmf_bss_connect_done.constprop.0+0x241/0x2e0\n[   46.620019][    T7]  ? brcmf_parse_configure_security.isra.0+0x2a0/0x2a0\n[   46.620818][    T7]  ? __lock_acquire+0x181f/0x5790\n[   46.621462][    T7]  brcmf_notify_connect_status+0x448/0x1950\n[   46.622134][    T7]  ? rcu_read_lock_bh_held+0xb0/0xb0\n[   46.622736][    T7]  ? brcmf_cfg80211_join_ibss+0x7b0/0x7b0\n[   46.623390][    T7]  ? find_held_lock+0x2d/0x110\n[   46.623962][    T7]  ? brcmf_fweh_event_worker+0x19f/0xc60\n[   46.624603][    T7]  ? mark_held_locks+0x9f/0xe0\n[   46.625145][    T7]  ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0\n[   46.625871][    T7]  ? brcmf_cfg80211_join_ibss+0x7b0/0x7b0\n[   46.626545][    T7]  brcmf_fweh_call_event_handler.isra.0+0x90/0x100\n[   46.627338][    T7]  brcmf_fweh_event_worker+0x557/0xc60\n[   46.627962][    T7]  ? brcmf_fweh_call_event_handler.isra.0+0x100/0x100\n[   46.628736][    T7]  ? rcu_read_lock_sched_held+0xa1/0xd0\n[   46.629396][    T7]  ? rcu_read_lock_bh_held+0xb0/0xb0\n[   46.629970][    T7]  ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n[   46.630649][    T7]  process_one_work+0x92b/0x1460\n[   46.631205][    T7]  ? pwq_dec_nr_in_flight+0x330/0x330\n[   46.631821][    T7]  ? rwlock_bug.part.0+0x90/0x90\n[   46.632347][    T7]  worker_thread+0x95/0xe00\n[   46.632832][    T7]  ? __kthread_parkme+0x115/0x1e0\n[   46.633393][    T7]  ? process_one_work+0x1460/0x1460\n[   46.633957][    T7]  kthread+0x3a1/0x480\n[   46.634369][    T7]  ? set_kthread_struct+0x120/0x120\n[   46.634933][    T7]  ret_from_fork+0x1f/0x30\n[   46.635431][    T7]\n[   46.635687][    T7] Allocated by task 7:\n[   46.636151][    T7]  kasan_save_stack+0x1b/0x40\n[   46.636628][    T7]  __kasan_kmalloc+0x7c/0x90\n[   46.637108][    T7]  kmem_cache_alloc_trace+0x19e/0x330\n[   46.637696][    T7]  brcmf_cfg80211_attach+0x4a0/0x4040\n[   46.638275][    T7]  brcmf_attach+0x389/0xd40\n[   46.638739][    T7]  brcmf_usb_probe+0x12de/0x1690\n[   46.639279][    T7]  usb_probe_interface+0x2aa/0x760\n[   46.639820][    T7]  really_probe+0x205/0xb70\n[   46.640342][    T7]  __driver_probe_device+0\n---truncated---"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-01-05T10:18:43.295Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/ac5305e5d227b9af3aae25fa83380d3ff0225b73"
            },
            {
              "url": "https://git.kernel.org/stable/c/39f9bd880abac6068bedb24a4e16e7bd26bf92da"
            },
            {
              "url": "https://git.kernel.org/stable/c/425eea395f1f5ae349fb55f7fe51d833a5324bfe"
            },
            {
              "url": "https://git.kernel.org/stable/c/549825602e3e6449927ca1ea1a08fd89868439df"
            },
            {
              "url": "https://git.kernel.org/stable/c/936a23293bbb3332bdf4cdb9c1496e80cb0bc2c8"
            },
            {
              "url": "https://git.kernel.org/stable/c/e29661611e6e71027159a3140e818ef3b99f32dd"
            },
            {
              "url": "https://git.kernel.org/stable/c/228186629ea970cc78b7d7d5f593f2d32fddf9f6"
            },
            {
              "url": "https://git.kernel.org/stable/c/21bee3e649d87f78fe8aef6ae02edd3d6f310fd0"
            },
            {
              "url": "https://git.kernel.org/stable/c/0da40e018fd034d87c9460123fa7f897b69fdee7"
            }
          ],
          "title": "wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2023-53213",
        "datePublished": "2025-09-15T14:21:41.433Z",
        "dateReserved": "2025-09-15T14:19:21.844Z",
        "dateUpdated": "2026-01-14T17:52:57.288Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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