{"id":"CVE-2026-31417","revision":null,"records":[{"revision":"caf46159ab7c4e6fbd38cf29ef55bf94","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-31417","aliases":[],"title":"net/x25: Fix overflow when accumulating packets","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/x25: Fix overflow when accumulating packets\n\nAdd a check to ensure that `x25_sock.fraglen` does not overflow.\n\nThe `fraglen` also needs to be resetted when purging `fragment_queue` in\n`x25_clear_queues()`.","state":0,"publishedAt":"2026-04-13T13:21:04.638+00:00","modifiedAt":"2026-10-15T01:15:55.479+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/x25/x25_in.c\",\n \"net/x25/x25_subr.c\"\n ],\n \"versions\": [\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"96fc16370b0bceb289c7e0479bd0540b81e257aa\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"798d613afb64b01a203f448fb0f43c37c6afe79d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"6e568835ea54a3e1d08e310e34f95d434e739477\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"1734bd85c5e0a7a801295b729efb56b009cb8fc3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"4e2d1bcef78d21247fe8fef13bc7ed95885df2b5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"8c92969c197b91c134be27dc3afb64ab468853a9\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"f953f11ccf4afe6feb635c08145f4240d9a6b544\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"a1822cb524e89b4cd2cf0b82e484a2335496a6d9\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/x25/x25_in.c\",\n \"net/x25/x25_subr.c\"\n ],\n \"versions\": [\n {\n \"version\": \"2.6.12\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n 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\"semver\"\n },\n {\n \"version\": \"7.0\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/96fc16370b0bceb289c7e0479bd0540b81e257aa","https://git.kernel.org/stable/c/798d613afb64b01a203f448fb0f43c37c6afe79d","https://git.kernel.org/stable/c/6e568835ea54a3e1d08e310e34f95d434e739477","https://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3","https://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5","https://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9","https://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544","https://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31417","license":"CVE Program Terms of 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