CVE-2023-52833 (GCVE-0-2023-52833)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:31 – Updated: 2026-01-05 10:17
VLAI?
Title
Bluetooth: btusb: Add date->evt_skb is NULL check
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: Add date->evt_skb is NULL check fix crash because of null pointers [ 6104.969662] BUG: kernel NULL pointer dereference, address: 00000000000000c8 [ 6104.969667] #PF: supervisor read access in kernel mode [ 6104.969668] #PF: error_code(0x0000) - not-present page [ 6104.969670] PGD 0 P4D 0 [ 6104.969673] Oops: 0000 [#1] SMP NOPTI [ 6104.969684] RIP: 0010:btusb_mtk_hci_wmt_sync+0x144/0x220 [btusb] [ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246 [ 6104.969689] RAX: 0000000000000000 RBX: ffff8ad560bb2000 RCX: 0000000000000006 [ 6104.969691] RDX: 0000000000000000 RSI: ffffb8d681533d08 RDI: 0000000000000000 [ 6104.969692] RBP: ffffb8d681533d70 R08: 0000000000000001 R09: 0000000000000001 [ 6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0 [ 6104.969695] R13: 0000000000000000 R14: ffff8ad459618c18 R15: ffffb8d681533d90 [ 6104.969697] FS: 00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000 [ 6104.969699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0 [ 6104.969701] PKRU: 55555554 [ 6104.969702] Call Trace: [ 6104.969708] btusb_mtk_shutdown+0x44/0x80 [btusb] [ 6104.969732] hci_dev_do_close+0x470/0x5c0 [bluetooth] [ 6104.969748] hci_rfkill_set_block+0x56/0xa0 [bluetooth] [ 6104.969753] rfkill_set_block+0x92/0x160 [ 6104.969755] rfkill_fop_write+0x136/0x1e0 [ 6104.969759] __vfs_write+0x18/0x40 [ 6104.969761] vfs_write+0xdf/0x1c0 [ 6104.969763] ksys_write+0xb1/0xe0 [ 6104.969765] __x64_sys_write+0x1a/0x20 [ 6104.969769] do_syscall_64+0x51/0x180 [ 6104.969771] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 6104.969773] RIP: 0033:0x7f5a21f18fef [ 6104.9] RSP: 002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef [ 6104.969781] RDX: 0000000000000008 RSI: 00007ffeefe39060 RDI: 0000000000000012 [ 6104.969782] RBP: 00007ffeefe39060 R08: 0000000000000000 R09: 0000000000000017 [ 6104.969784] R10: 00007ffeefe38d97 R11: 0000000000000293 R12: 0000000000000002 [ 6104.969785] R13: 00007ffeefe39220 R14: 00007ffeefe391a0 R15: 000055c10a72acf0
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < 9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3 (git)
Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < f9de14bde56dcbb0765284c6dfc35842b021733c (git)
Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < a556f2ef556a04790f67f2fa272f1a77336d15a0 (git)
Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < 0048ddf045bddc4dacb3e783fd869a2f8fb5be30 (git)
Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < 13b1ebad4c175e6a9b0748acbf133c21a15d282a (git)
Affected: a1c49c434e15050b5dafe3b6f5cc732d4f02d657 , < 624820f7c8826dd010e8b1963303c145f99816e9 (git)
Create a notification for this product.
    Linux Linux Affected: 5.3
Unaffected: 0 , < 5.3 (semver)
Unaffected: 5.10.202 , ≤ 5.10.* (semver)
Unaffected: 5.15.140 , ≤ 5.15.* (semver)
Unaffected: 6.1.64 , ≤ 6.1.* (semver)
Unaffected: 6.5.13 , ≤ 6.5.* (semver)
Unaffected: 6.6.3 , ≤ 6.6.* (semver)
Unaffected: 6.7 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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    "vulnrichment": {
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not-present page\\n[ 6104.969670] PGD 0 P4D 0\\n[ 6104.969673] Oops: 0000 [#1] SMP NOPTI\\n[ 6104.969684] RIP: 0010:btusb_mtk_hci_wmt_sync+0x144/0x220 [btusb]\\n[ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246\\n[ 6104.969689] RAX: 0000000000000000 RBX: ffff8ad560bb2000 RCX: 0000000000000006\\n[ 6104.969691] RDX: 0000000000000000 RSI: ffffb8d681533d08 RDI: 0000000000000000\\n[ 6104.969692] RBP: ffffb8d681533d70 R08: 0000000000000001 R09: 0000000000000001\\n[ 6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0\\n[ 6104.969695] R13: 0000000000000000 R14: ffff8ad459618c18 R15: ffffb8d681533d90\\n[ 6104.969697] FS:  00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000\\n[ 6104.969699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[ 6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0\\n[ 6104.969701] PKRU: 55555554\\n[ 6104.969702] Call Trace:\\n[ 6104.969708]  btusb_mtk_shutdown+0x44/0x80 [btusb]\\n[ 6104.969732]  hci_dev_do_close+0x470/0x5c0 [bluetooth]\\n[ 6104.969748]  hci_rfkill_set_block+0x56/0xa0 [bluetooth]\\n[ 6104.969753]  rfkill_set_block+0x92/0x160\\n[ 6104.969755]  rfkill_fop_write+0x136/0x1e0\\n[ 6104.969759]  __vfs_write+0x18/0x40\\n[ 6104.969761]  vfs_write+0xdf/0x1c0\\n[ 6104.969763]  ksys_write+0xb1/0xe0\\n[ 6104.969765]  __x64_sys_write+0x1a/0x20\\n[ 6104.969769]  do_syscall_64+0x51/0x180\\n[ 6104.969771]  entry_SYSCALL_64_after_hwframe+0x44/0xa9\\n[ 6104.969773] RIP: 0033:0x7f5a21f18fef\\n[ 6104.9] RSP: 002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001\\n[ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef\\n[ 6104.969781] RDX: 0000000000000008 RSI: 00007ffeefe39060 RDI: 0000000000000012\\n[ 6104.969782] RBP: 00007ffeefe39060 R08: 0000000000000000 R09: 0000000000000017\\n[ 6104.969784] R10: 00007ffeefe38d97 R11: 0000000000000293 R12: 0000000000000002\\n[ 6104.969785] R13: 00007ffeefe39220 R14: 00007ffeefe391a0 R15: 000055c10a72acf0\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.202\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.140\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.64\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.5.13\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.3\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7\", \"versionStartIncluding\": \"5.3\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-01-05T10:17:45.527Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52833\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-05T10:17:45.527Z\", \"dateReserved\": \"2024-05-21T15:19:24.252Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T15:31:34.915Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.