{"id":"CVE-2022-49575","state":"PUBLISHED","title":"tcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.\n\nWhile reading sysctl_tcp_thin_linear_timeouts, it can be changed\nconcurrently.  Thus, we need to add READ_ONCE() to its reader.","publishedAt":"2025-02-26T02:23:16.142Z","updatedAt":"2026-05-11T19:02:36.029Z","severity":{"score":4.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"f4b0295be9a3c4260de4585fac4062e602a88ac7","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"492f3713b282c0e67e951cd804edd22eccc25412","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"cc133e4f4bc225079198192623945bb872c08143","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"404c53ccdebd11f96954f4070cffac8e0b4d5cb6","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"a0f96c4f179cb3560078cefccef105e8f1701210","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"7c6f2a86ca590d5187a073d987e9599985fb1c7c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/tcp_timer.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.34","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.34","versionType":"semver"},{"version":"4.19.254","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.208","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.134","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.58","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.15","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/tcp_timer.c"]}],"references":["https://git.kernel.org/stable/c/f4b0295be9a3c4260de4585fac4062e602a88ac7","https://git.kernel.org/stable/c/492f3713b282c0e67e951cd804edd22eccc25412","https://git.kernel.org/stable/c/cc133e4f4bc225079198192623945bb872c08143","https://git.kernel.org/stable/c/404c53ccdebd11f96954f4070cffac8e0b4d5cb6","https://git.kernel.org/stable/c/a0f96c4f179cb3560078cefccef105e8f1701210","https://git.kernel.org/stable/c/7c6f2a86ca590d5187a073d987e9599985fb1c7c"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49575.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49575","state":"PUBLISHED","datePublished":"2025-02-26T02:23:16.142Z","dateUpdated":"2026-05-11T19:02:36.029Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.411Z"},"containers":{"cna":{"title":"tcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.\n\nWhile reading sysctl_tcp_thin_linear_timeouts, it can be changed\nconcurrently.  Thus, we need to add READ_ONCE() to its reader."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"f4b0295be9a3c4260de4585fac4062e602a88ac7","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"492f3713b282c0e67e951cd804edd22eccc25412","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"cc133e4f4bc225079198192623945bb872c08143","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"404c53ccdebd11f96954f4070cffac8e0b4d5cb6","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"a0f96c4f179cb3560078cefccef105e8f1701210","versionType":"git"},{"version":"36e31b0af58728071e8023cf8e20c5166b700717","status":"affected","lessThan":"7c6f2a86ca590d5187a073d987e9599985fb1c7c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/tcp_timer.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.34","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.34","versionType":"semver"},{"version":"4.19.254","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.208","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.134","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.58","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.15","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/tcp_timer.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f4b0295be9a3c4260de4585fac4062e602a88ac7"},{"url":"https://git.kernel.org/stable/c/492f3713b282c0e67e951cd804edd22eccc25412"},{"url":"https://git.kernel.org/stable/c/cc133e4f4bc225079198192623945bb872c08143"},{"url":"https://git.kernel.org/stable/c/404c53ccdebd11f96954f4070cffac8e0b4d5cb6"},{"url":"https://git.kernel.org/stable/c/a0f96c4f179cb3560078cefccef105e8f1701210"},{"url":"https://git.kernel.org/stable/c/7c6f2a86ca590d5187a073d987e9599985fb1c7c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:02:36.029Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"4.19.254"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.4.208"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.10.134"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.15.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.18.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.7,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49575","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:36:33.664294Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","lang":"en","type":"CWE","description":"CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:36.600Z"}}]}}}