{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52752","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T15:19:24.234Z","datePublished":"2024-05-21T15:30:40.901Z","dateUpdated":"2026-05-11T19:32:31.049Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:32:31.049Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix use-after-free bug in cifs_debug_data_proc_show()\n\nSkip SMB sessions that are being teared down\n(e.g. @ses->ses_status == SES_EXITING) in cifs_debug_data_proc_show()\nto avoid use-after-free in @ses.\n\nThis fixes the following GPF when reading from /proc/fs/cifs/DebugData\nwhile mounting and umounting\n\n  [ 816.251274] general protection fault, probably for non-canonical\n  address 0x6b6b6b6b6b6b6d81: 0000 [#1] PREEMPT SMP NOPTI\n  ...\n  [  816.260138] Call Trace:\n  [  816.260329]  <TASK>\n  [  816.260499]  ? die_addr+0x36/0x90\n  [  816.260762]  ? exc_general_protection+0x1b3/0x410\n  [  816.261126]  ? asm_exc_general_protection+0x26/0x30\n  [  816.261502]  ? cifs_debug_tcon+0xbd/0x240 [cifs]\n  [  816.261878]  ? cifs_debug_tcon+0xab/0x240 [cifs]\n  [  816.262249]  cifs_debug_data_proc_show+0x516/0xdb0 [cifs]\n  [  816.262689]  ? seq_read_iter+0x379/0x470\n  [  816.262995]  seq_read_iter+0x118/0x470\n  [  816.263291]  proc_reg_read_iter+0x53/0x90\n  [  816.263596]  ? srso_alias_return_thunk+0x5/0x7f\n  [  816.263945]  vfs_read+0x201/0x350\n  [  816.264211]  ksys_read+0x75/0x100\n  [  816.264472]  do_syscall_64+0x3f/0x90\n  [  816.264750]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n  [  816.265135] RIP: 0033:0x7fd5e669d381"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/cifs_debug.c"],"versions":[{"version":"7f48558e6489d032b1584b0cc9ac4bb11072c034","lessThan":"2abdf136784b7edaec7ffe0f4b461b63f9c4c4de","status":"affected","versionType":"git"},{"version":"7f48558e6489d032b1584b0cc9ac4bb11072c034","lessThan":"336a066990bb3962c46daf574ace596bda9303ce","status":"affected","versionType":"git"},{"version":"7f48558e6489d032b1584b0cc9ac4bb11072c034","lessThan":"558817597d5fbd7af31f891b67b0fd20f0d047b7","status":"affected","versionType":"git"},{"version":"7f48558e6489d032b1584b0cc9ac4bb11072c034","lessThan":"89929ea46f9cc11ba66d2c64713aa5d5dc723b09","status":"affected","versionType":"git"},{"version":"7f48558e6489d032b1584b0cc9ac4bb11072c034","lessThan":"0ab6f842452ce2cae04209d4671ac6289d0aef8a","status":"affected","versionType":"git"},{"version":"7f48558e6489d032b1584b0cc9ac4bb11072c034","lessThan":"d328c09ee9f15ee5a26431f5aad7c9239fa85e62","status":"affected","versionType":"git"},{"version":"a67172a013953664b1dad03c648200c70b90506c","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/cifs_debug.c"],"versions":[{"version":"3.13","status":"affected"},{"version":"0","lessThan":"3.13","status":"unaffected","versionType":"semver"},{"version":"5.10.237","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.181","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":"3.13","versionEndExcluding":"5.10.237"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"5.15.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.1.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.5.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.6.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12.48"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2abdf136784b7edaec7ffe0f4b461b63f9c4c4de"},{"url":"https://git.kernel.org/stable/c/336a066990bb3962c46daf574ace596bda9303ce"},{"url":"https://git.kernel.org/stable/c/558817597d5fbd7af31f891b67b0fd20f0d047b7"},{"url":"https://git.kernel.org/stable/c/89929ea46f9cc11ba66d2c64713aa5d5dc723b09"},{"url":"https://git.kernel.org/stable/c/0ab6f842452ce2cae04209d4671ac6289d0aef8a"},{"url":"https://git.kernel.org/stable/c/d328c09ee9f15ee5a26431f5aad7c9239fa85e62"}],"title":"smb: client: fix use-after-free bug in cifs_debug_data_proc_show()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-416","lang":"en","description":"CWE-416 Use After Free"}]}],"affected":[{"vendor":"linux","product":"linux_kernel","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"6.7","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"6.6.3","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"1da177e4c3f4","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"6.1.64","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"6.5.13","status":"unaffected"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-05-22T17:22:07.851461Z","id":"CVE-2023-52752","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-05-07T19:50:52.035Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/558817597d5fbd7af31f891b67b0fd20f0d047b7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/89929ea46f9cc11ba66d2c64713aa5d5dc723b09","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/0ab6f842452ce2cae04209d4671ac6289d0aef8a","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d328c09ee9f15ee5a26431f5aad7c9239fa85e62","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T19:28:47.925Z"}}]}}