{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52833","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T15:19:24.252Z","datePublished":"2024-05-21T15:31:34.915Z","dateUpdated":"2026-01-05T10:17:45.527Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-01-05T10:17:45.527Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: Add date->evt_skb is NULL check\n\nfix crash because of null pointers\n\n[ 6104.969662] BUG: kernel NULL pointer dereference, address: 00000000000000c8\n[ 6104.969667] #PF: supervisor read access in kernel mode\n[ 6104.969668] #PF: error_code(0x0000) - 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"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btusb.c"],"versions":[{"version":"a1c49c434e15050b5dafe3b6f5cc732d4f02d657","lessThan":"9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3","status":"affected","versionType":"git"},{"version":"a1c49c434e15050b5dafe3b6f5cc732d4f02d657","lessThan":"f9de14bde56dcbb0765284c6dfc35842b021733c","status":"affected","versionType":"git"},{"version":"a1c49c434e15050b5dafe3b6f5cc732d4f02d657","lessThan":"a556f2ef556a04790f67f2fa272f1a77336d15a0","status":"affected","versionType":"git"},{"version":"a1c49c434e15050b5dafe3b6f5cc732d4f02d657","lessThan":"0048ddf045bddc4dacb3e783fd869a2f8fb5be30","status":"affected","versionType":"git"},{"version":"a1c49c434e15050b5dafe3b6f5cc732d4f02d657","lessThan":"13b1ebad4c175e6a9b0748acbf133c21a15d282a","status":"affected","versionType":"git"},{"version":"a1c49c434e15050b5dafe3b6f5cc732d4f02d657","lessThan":"624820f7c8826dd010e8b1963303c145f99816e9","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/bluetooth/btusb.c"],"versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"5.10.202","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.140","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.64","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.13","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6.3","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7","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":"5.3","versionEndExcluding":"5.10.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.15.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.1.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.5.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.6.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3"},{"url":"https://git.kernel.org/stable/c/f9de14bde56dcbb0765284c6dfc35842b021733c"},{"url":"https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0"},{"url":"https://git.kernel.org/stable/c/0048ddf045bddc4dacb3e783fd869a2f8fb5be30"},{"url":"https://git.kernel.org/stable/c/13b1ebad4c175e6a9b0748acbf133c21a15d282a"},{"url":"https://git.kernel.org/stable/c/624820f7c8826dd010e8b1963303c145f99816e9"}],"title":"Bluetooth: btusb: Add date->evt_skb is NULL check","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52833","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-22T20:52:00.965162Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:24:07.090Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T23:11:35.958Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f9de14bde56dcbb0765284c6dfc35842b021733c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/0048ddf045bddc4dacb3e783fd869a2f8fb5be30","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/13b1ebad4c175e6a9b0748acbf133c21a15d282a","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/624820f7c8826dd010e8b1963303c145f99816e9","tags":["x_transferred"]}]}]}}