{"id":"CVE-2023-52997","state":"PUBLISHED","title":"ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: prevent potential spectre v1 gadget in ip_metrics_convert()\n\nif (!type)\n\t\tcontinue;\n\tif (type > RTAX_MAX)\n\t\treturn -EINVAL;\n\t...\n\tmetrics[type - 1] = val;\n\n@type being used as an array index, we need to prevent\ncpu speculation or risk leaking kernel memory content.","publishedAt":"2025-03-27T16:43:31.164Z","updatedAt":"2026-05-11T19:36:37.355Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"ef050cf5fb70d995a0d03244e25179b7c66a924a","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"746db9ec1e672eee13965625ddac0d97e16fa20c","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"34c6142f0df9cd75cba5a7aa9df0960d2854b415","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"d50e7348b44f1e046121ff5be01b7fb6978a1149","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"6850fe301d015a7d2012d1de8caf43dafb7cc2f6","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"1d1d63b612801b3f0a39b7d4467cad0abd60e5c8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/metrics.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.3","versionType":"semver"},{"version":"4.19.272","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.231","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.166","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.91","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/metrics.c"]}],"references":["https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a","https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c","https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415","https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149","https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6","https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52997.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52997","state":"PUBLISHED","datePublished":"2025-03-27T16:43:31.164Z","dateUpdated":"2026-05-11T19:36:37.355Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-03-27T16:40:15.742Z"},"containers":{"cna":{"title":"ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: prevent potential spectre v1 gadget in ip_metrics_convert()\n\nif (!type)\n\t\tcontinue;\n\tif (type > RTAX_MAX)\n\t\treturn -EINVAL;\n\t...\n\tmetrics[type - 1] = val;\n\n@type being used as an array index, we need to prevent\ncpu speculation or risk leaking kernel memory content."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"ef050cf5fb70d995a0d03244e25179b7c66a924a","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"746db9ec1e672eee13965625ddac0d97e16fa20c","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"34c6142f0df9cd75cba5a7aa9df0960d2854b415","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"d50e7348b44f1e046121ff5be01b7fb6978a1149","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"6850fe301d015a7d2012d1de8caf43dafb7cc2f6","versionType":"git"},{"version":"6cf9dfd3bd62edfff69f11c0f111bc261166e4c7","status":"affected","lessThan":"1d1d63b612801b3f0a39b7d4467cad0abd60e5c8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/metrics.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.3","versionType":"semver"},{"version":"4.19.272","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.231","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.166","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.91","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/metrics.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a"},{"url":"https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c"},{"url":"https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415"},{"url":"https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149"},{"url":"https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6"},{"url":"https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:36:37.355Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"4.19.272"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.4.231"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.10.166"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.15.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"6.1.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}