{"id":"CVE-2022-49571","state":"PUBLISHED","title":"tcp: Fix data-races around sysctl_tcp_max_reordering.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix data-races around sysctl_tcp_max_reordering.\n\nWhile reading sysctl_tcp_max_reordering, it can be changed\nconcurrently.  Thus, we need to add READ_ONCE() to its readers.","publishedAt":"2025-02-26T02:23:14.182Z","updatedAt":"2026-05-11T19:02:31.527Z","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":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"5e38cee24f19d19280c68f1ac8bf6790d607f60a","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"50a1d3d097503a90cf84ebe120afcde37e9c33b3","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"064852663308c801861bd54789d81421fa4c2928","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"ce3731c61589ed73364a5b55ce34131762ef9b60","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"46deb91ac8a790286ad6d24cf92e7ab0ab2582bb","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"a11e5b3e7a59fde1a90b0eaeaa82320495cf8cae","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/tcp_input.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.19","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_input.c"]}],"references":["https://git.kernel.org/stable/c/5e38cee24f19d19280c68f1ac8bf6790d607f60a","https://git.kernel.org/stable/c/50a1d3d097503a90cf84ebe120afcde37e9c33b3","https://git.kernel.org/stable/c/064852663308c801861bd54789d81421fa4c2928","https://git.kernel.org/stable/c/ce3731c61589ed73364a5b55ce34131762ef9b60","https://git.kernel.org/stable/c/46deb91ac8a790286ad6d24cf92e7ab0ab2582bb","https://git.kernel.org/stable/c/a11e5b3e7a59fde1a90b0eaeaa82320495cf8cae"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49571.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49571","state":"PUBLISHED","datePublished":"2025-02-26T02:23:14.182Z","dateUpdated":"2026-05-11T19:02:31.527Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.410Z"},"containers":{"cna":{"title":"tcp: Fix data-races around sysctl_tcp_max_reordering.","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix data-races around sysctl_tcp_max_reordering.\n\nWhile reading sysctl_tcp_max_reordering, it can be changed\nconcurrently.  Thus, we need to add READ_ONCE() to its readers."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"5e38cee24f19d19280c68f1ac8bf6790d607f60a","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"50a1d3d097503a90cf84ebe120afcde37e9c33b3","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"064852663308c801861bd54789d81421fa4c2928","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"ce3731c61589ed73364a5b55ce34131762ef9b60","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"46deb91ac8a790286ad6d24cf92e7ab0ab2582bb","versionType":"git"},{"version":"dca145ffaa8d39ea1904491ac81b92b7049372c0","status":"affected","lessThan":"a11e5b3e7a59fde1a90b0eaeaa82320495cf8cae","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/tcp_input.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.19","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_input.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5e38cee24f19d19280c68f1ac8bf6790d607f60a"},{"url":"https://git.kernel.org/stable/c/50a1d3d097503a90cf84ebe120afcde37e9c33b3"},{"url":"https://git.kernel.org/stable/c/064852663308c801861bd54789d81421fa4c2928"},{"url":"https://git.kernel.org/stable/c/ce3731c61589ed73364a5b55ce34131762ef9b60"},{"url":"https://git.kernel.org/stable/c/46deb91ac8a790286ad6d24cf92e7ab0ab2582bb"},{"url":"https://git.kernel.org/stable/c/a11e5b3e7a59fde1a90b0eaeaa82320495cf8cae"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:02:31.527Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"4.19.254"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"5.4.208"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"5.10.134"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"5.15.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","versionEndExcluding":"5.18.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.19","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-2022-49571","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:36:46.601176Z"}}}],"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":"2025-10-01T19:46:37.387Z"}}]}}}