{"id":"CVE-2022-49629","state":"PUBLISHED","title":"nexthop: Fix data-races around nexthop_compat_mode.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnexthop: Fix data-races around nexthop_compat_mode.\n\nWhile reading nexthop_compat_mode, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its readers.","publishedAt":"2025-02-26T02:23:42.768Z","updatedAt":"2026-05-11T19:03:37.649Z","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":"4f80116d3df3b23ee4b83ea8557629e1799bc230","status":"affected","lessThan":"a51040d4b120f3520df64fb0b9c63b31d69bea9b","versionType":"git"},{"version":"4f80116d3df3b23ee4b83ea8557629e1799bc230","status":"affected","lessThan":"0d17723afea3ae8c9f245c9bbd2ba5945b77e812","versionType":"git"},{"version":"4f80116d3df3b23ee4b83ea8557629e1799bc230","status":"affected","lessThan":"ae3054f6fbccc90f14ecd6cf9b2c09a2401c64fd","versionType":"git"},{"version":"4f80116d3df3b23ee4b83ea8557629e1799bc230","status":"affected","lessThan":"bdf00bf24bef9be1ca641a6390fd5487873e0d2e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/fib_semantics.c","net/ipv4/nexthop.c","net/ipv6/route.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"5.10.132","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.56","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.13","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/fib_semantics.c","net/ipv4/nexthop.c","net/ipv6/route.c"]}],"references":["https://git.kernel.org/stable/c/a51040d4b120f3520df64fb0b9c63b31d69bea9b","https://git.kernel.org/stable/c/0d17723afea3ae8c9f245c9bbd2ba5945b77e812","https://git.kernel.org/stable/c/ae3054f6fbccc90f14ecd6cf9b2c09a2401c64fd","https://git.kernel.org/stable/c/bdf00bf24bef9be1ca641a6390fd5487873e0d2e"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49629.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49629","state":"PUBLISHED","datePublished":"2025-02-26T02:23:42.768Z","dateUpdated":"2026-05-11T19:03:37.649Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.422Z"},"containers":{"cna":{"title":"nexthop: 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readers."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4f80116d3df3b23ee4b83ea8557629e1799bc230","status":"affected","lessThan":"a51040d4b120f3520df64fb0b9c63b31d69bea9b","versionType":"git"},{"version":"4f80116d3df3b23ee4b83ea8557629e1799bc230","status":"affected","lessThan":"0d17723afea3ae8c9f245c9bbd2ba5945b77e812","versionType":"git"},{"version":"4f80116d3df3b23ee4b83ea8557629e1799bc230","status":"affected","lessThan":"ae3054f6fbccc90f14ecd6cf9b2c09a2401c64fd","versionType":"git"},{"version":"4f80116d3df3b23ee4b83ea8557629e1799bc230","status":"affected","lessThan":"bdf00bf24bef9be1ca641a6390fd5487873e0d2e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/fib_semantics.c","net/ipv4/nexthop.c","net/ipv6/route.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"5.10.132","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.56","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.13","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/fib_semantics.c","net/ipv4/nexthop.c","net/ipv6/route.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a51040d4b120f3520df64fb0b9c63b31d69bea9b"},{"url":"https://git.kernel.org/stable/c/0d17723afea3ae8c9f245c9bbd2ba5945b77e812"},{"url":"https://git.kernel.org/stable/c/ae3054f6fbccc90f14ecd6cf9b2c09a2401c64fd"},{"url":"https://git.kernel.org/stable/c/bdf00bf24bef9be1ca641a6390fd5487873e0d2e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:03:37.649Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.10.132"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.15.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.18.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","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-2022-49629","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:34:31.015360Z"}}}],"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":"2025-10-01T19:36:50.426Z"}}]}}}