{"id":"CVE-2024-42154","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp_metrics: validate source addr length\n\nI don't see anything checking that TCP_METRICS_ATTR_SADDR_IPV4\nis at least 4 bytes long, and the policy doesn't have an entry\n…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp_metrics: validate source addr length\n\nI don't see anything checking that TCP_METRICS_ATTR_SADDR_IPV4\nis at least 4 bytes long, and the policy doesn't have an entry\n…","severity":"medium","cvss":4.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-754"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.14, < 4.19.318","linux_kernel >= 4.20, < 5.4.280","linux_kernel >= 5.5, < 5.10.222","linux_kernel >= 5.11, < 5.15.163","linux_kernel >= 5.16, < 6.1.98","linux_kernel >= 6.2, < 6.6.39","linux_kernel >= 6.7, < 6.9.9","linux_kernel = 6.10"],"patched":["linux_kernel 6.9.9"],"published":"2024-07-30","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:18:44.380","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-42154","references":[{"url":"https://git.kernel.org/stable/c/19d997b59fa1fd7a02e770ee0881c0652b9c32c9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2a2e79dbe2236a1289412d2044994f7ab419b44c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/31f03bb04146c1c6df6c03e9f45401f5f5a985d3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3d550dd5418729a6e77fe7721d27adea7152e321","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/66be40e622e177316ae81717aa30057ba9e61dff","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8c2debdd170e395934ac0e039748576dfde14e99","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cdffc358717e436bb67122bb82c1a2a26e050f98","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ef7c428b425beeb52b894e16f1c4b629d6cebfb6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"http://www.openwall.com/lists/oss-security/2024/09/24/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/09/24/4","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/09/25/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/19d997b59fa1fd7a02e770ee0881c0652b9c32c9","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/2a2e79dbe2236a1289412d2044994f7ab419b44c","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/31f03bb04146c1c6df6c03e9f45401f5f5a985d3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/3d550dd5418729a6e77fe7721d27adea7152e321","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/66be40e622e177316ae81717aa30057ba9e61dff","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/8c2debdd170e395934ac0e039748576dfde14e99","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/cdffc358717e436bb67122bb82c1a2a26e050f98","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/ef7c428b425beeb52b894e16f1c4b629d6cebfb6","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20240828-0010/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-503939.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00258,"epssPercentile":0.16245,"ingestedAt":"2026-10-15T03:30:12.730Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-09-10T16:15:15.159948Z"},"slug":"CVE-2024-42154","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ntcp_metrics: validate source addr length\n\nI don't see anything checking that TCP_METRICS_ATTR_SADDR_IPV4\nis at least 4 bytes long, and the policy doesn't have an entry\nfor this attribute at all (neither does it for IPv6 but v6 is\nmanually validated).\n\n## Affected\n\n- `linux_kernel >= 3.14, < 4.19.318`\n- `linux_kernel >= 4.20, < 5.4.280`\n- `linux_kernel >= 5.5, < 5.10.222`\n- `linux_kernel >= 5.11, < 5.15.163`\n- `linux_kernel >= 5.16, < 6.1.98`\n- `linux_kernel >= 6.2, < 6.6.39`\n- `linux_kernel >= 6.7, < 6.9.9`\n- `linux_kernel = 6.10`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.9.9`","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":24.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}