{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49304","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T02:08:31.535Z","datePublished":"2025-02-26T02:10:37.726Z","dateUpdated":"2025-12-23T13:23:20.738Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-23T13:23:20.738Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: tty: serial: Fix deadlock in sa1100_set_termios()\n\nThere is a deadlock in sa1100_set_termios(), which is shown\nbelow:\n\n   (Thread 1)              |      (Thread 2)\n                           | sa1100_enable_ms()\nsa1100_set_termios()       |  mod_timer()\n spin_lock_irqsave() //(1) |  (wait a time)\n ...                       | sa1100_timeout()\n del_timer_sync()          |  spin_lock_irqsave() //(2)\n (wait timer to stop)      |  ...\n\nWe hold sport->port.lock in position (1) of thread 1 and\nuse del_timer_sync() to wait timer to stop, but timer handler\nalso need sport->port.lock in position (2) of thread 2. As a result,\nsa1100_set_termios() will block forever.\n\nThis patch moves del_timer_sync() before spin_lock_irqsave()\nin order to prevent the deadlock."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/sa1100.c"],"versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"0976808d0d171ec837d4bd3e9f4ad4a00ab703b8","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"85e20f8bd31a46d8c60103d0274a8ebe8f47f2b2","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"920f0ae7a129ffee98a106e3bbdfd61a2a59e939","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"09a5958a2452ad22d0cb638711ef34ea1863a829","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"6e2273eefab54a521d9c59efb6e1114e742bdf41","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"2cbfc38df580bff5b2fe19f21c1a7520efcc4b3b","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"553213432ef0c295becdc08c0207d2094468f673","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"34d91e555e5582cffdbcbb75517bc9217866823e","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"62b2caef400c1738b6d22f636c628d9f85cd4c4c","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/tty/serial/sa1100.c"],"versions":[{"version":"2.6.12","status":"affected"},{"version":"0","lessThan":"2.6.12","status":"unaffected","versionType":"semver"},{"version":"4.9.318","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.283","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.247","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.198","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.122","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.47","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.17.15","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18.4","lessThanOrEqual":"5.18.*","status":"unaffected","versionType":"semver"},{"version":"5.19","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":"2.6.12","versionEndExcluding":"4.9.318"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"4.14.283"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"4.19.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.17.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0976808d0d171ec837d4bd3e9f4ad4a00ab703b8"},{"url":"https://git.kernel.org/stable/c/85e20f8bd31a46d8c60103d0274a8ebe8f47f2b2"},{"url":"https://git.kernel.org/stable/c/920f0ae7a129ffee98a106e3bbdfd61a2a59e939"},{"url":"https://git.kernel.org/stable/c/09a5958a2452ad22d0cb638711ef34ea1863a829"},{"url":"https://git.kernel.org/stable/c/6e2273eefab54a521d9c59efb6e1114e742bdf41"},{"url":"https://git.kernel.org/stable/c/2cbfc38df580bff5b2fe19f21c1a7520efcc4b3b"},{"url":"https://git.kernel.org/stable/c/553213432ef0c295becdc08c0207d2094468f673"},{"url":"https://git.kernel.org/stable/c/34d91e555e5582cffdbcbb75517bc9217866823e"},{"url":"https://git.kernel.org/stable/c/62b2caef400c1738b6d22f636c628d9f85cd4c4c"}],"title":"drivers: tty: serial: Fix deadlock in sa1100_set_termios()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49304","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:44:33.088615Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-667","description":"CWE-667 Improper Locking"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T19:46:58.692Z"}}]}}