{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52757","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T15:19:24.237Z","datePublished":"2024-05-21T15:30:44.248Z","dateUpdated":"2026-05-11T19:32:35.635Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:32:35.635Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix potential deadlock when releasing mids\n\nAll release_mid() callers seem to hold a reference of @mid so there is\nno need to call kref_put(&mid->refcount, __release_mid) under\n@server->mid_lock spinlock.  If they don't, then an use-after-free bug\nwould have occurred anyways.\n\nBy getting rid of such spinlock also fixes a potential deadlock as\nshown below\n\nCPU 0                                CPU 1\n------------------------------------------------------------------\ncifs_demultiplex_thread()            cifs_debug_data_proc_show()\n release_mid()\n  spin_lock(&server->mid_lock);\n                                     spin_lock(&cifs_tcp_ses_lock)\n\t\t\t\t      spin_lock(&server->mid_lock)\n  __release_mid()\n   smb2_find_smb_tcon()\n    spin_lock(&cifs_tcp_ses_lock) *deadlock*"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/cifsproto.h","fs/smb/client/smb2misc.c","fs/smb/client/transport.c"],"versions":[{"version":"7b71843fa7028475b052107664cbe120156a2cfc","lessThan":"99f476e27aad5964ab13777d84fda67d1356dec1","status":"affected","versionType":"git"},{"version":"7b71843fa7028475b052107664cbe120156a2cfc","lessThan":"ce49569079a9d4cad26c0f1d4653382fd9a5ca7a","status":"affected","versionType":"git"},{"version":"7b71843fa7028475b052107664cbe120156a2cfc","lessThan":"9eb44db68c5b7f5aa22b8fc7de74a3e2e08d1f29","status":"affected","versionType":"git"},{"version":"7b71843fa7028475b052107664cbe120156a2cfc","lessThan":"b9bb9607b1fc12fca51f5632da25b36975f599bf","status":"affected","versionType":"git"},{"version":"7b71843fa7028475b052107664cbe120156a2cfc","lessThan":"c1a5962f1462b64fe7b69f20a4b6af8067bc2d26","status":"affected","versionType":"git"},{"version":"7b71843fa7028475b052107664cbe120156a2cfc","lessThan":"e6322fd177c6885a21dd4609dc5e5c973d1a2eb7","status":"affected","versionType":"git"},{"version":"9871dea42034ee6e73bb2b97ba0284d3d462b230","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/cifsproto.h","fs/smb/client/smb2misc.c","fs/smb/client/transport.c"],"versions":[{"version":"5.5","status":"affected"},{"version":"0","lessThan":"5.5","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":"5.5","versionEndExcluding":"5.10.237"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.15.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.5.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/99f476e27aad5964ab13777d84fda67d1356dec1"},{"url":"https://git.kernel.org/stable/c/ce49569079a9d4cad26c0f1d4653382fd9a5ca7a"},{"url":"https://git.kernel.org/stable/c/9eb44db68c5b7f5aa22b8fc7de74a3e2e08d1f29"},{"url":"https://git.kernel.org/stable/c/b9bb9607b1fc12fca51f5632da25b36975f599bf"},{"url":"https://git.kernel.org/stable/c/c1a5962f1462b64fe7b69f20a4b6af8067bc2d26"},{"url":"https://git.kernel.org/stable/c/e6322fd177c6885a21dd4609dc5e5c973d1a2eb7"}],"title":"smb: client: fix potential deadlock when releasing mids","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/9eb44db68c5b7f5aa22b8fc7de74a3e2e08d1f29","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b9bb9607b1fc12fca51f5632da25b36975f599bf","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c1a5962f1462b64fe7b69f20a4b6af8067bc2d26","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/e6322fd177c6885a21dd4609dc5e5c973d1a2eb7","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":"2025-11-03T19:28:49.329Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52757","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:37:12.677779Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:33:56.199Z"}}]}}