{"id":"CVE-2023-53705","revision":"f6879ddf887d4cee92c335e2d3dbaee4","records":[{"revision":"f6879ddf887d4cee92c335e2d3dbaee4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-53705","aliases":[],"title":"ipv6: Fix out-of-bounds access in ipv6_find_tlv()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix out-of-bounds access in ipv6_find_tlv()\n\noptlen is fetched without checking whether there is more than one byte to parse.\nIt can lead to out-of-bounds access.\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with SVACE.","state":0,"publishedAt":"2025-10-22T13:23:42.641+00:00","modifiedAt":"2026-10-15T21:41:33.892+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/ipv6/exthdrs_core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c61a404325093250b676f40ad8f4dd00f3bcab5f\",\n                            \"lessThan\": \"59e656d0d4a84ea0ee9a39c6f69160a3effccc94\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c61a404325093250b676f40ad8f4dd00f3bcab5f\",\n                            \"lessThan\": \"04bf69e3de435d793a203aacc4b774f8f9f2baeb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c61a404325093250b676f40ad8f4dd00f3bcab5f\",\n                            \"lessThan\": \"011f47c8b8389154f996f5f69da8efc3a3beefef\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c61a404325093250b676f40ad8f4dd00f3bcab5f\",\n                            \"lessThan\": \"e5f82688ae10f5f386952e65e941bb8868ee54dc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c61a404325093250b676f40ad8f4dd00f3bcab5f\",\n                            \"lessThan\": \"9b92e2d0eb696d7586ba832c8854653b59887da0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c61a404325093250b676f40ad8f4dd00f3bcab5f\",\n                            \"lessThan\": \"91dd8aab9c9f193210681b86b6b92840ffe74f0c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c61a404325093250b676f40ad8f4dd00f3bcab5f\",\n                            \"lessThan\": \"ae68c0f7edbc9a294094ce03a0aaf45aa489ce40\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c61a404325093250b676f40ad8f4dd00f3bcab5f\",\n                            \"lessThan\": \"878ecb0897f4737a4c9401f3523fd49589025671\",\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/ipv6/exthdrs_core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.19\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.19\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.14.316\",\n                            \"lessThanOrEqual\": \"4.14.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.19.284\",\n                            \"lessThanOrEqual\": \"4.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.244\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.181\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.114\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.31\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.3.5\",\n                            \"lessThanOrEqual\": \"6.3.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.4\",\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:L/I:N/A:H","score":8.2,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94","https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baeb","https://git.kernel.org/stable/c/011f47c8b8389154f996f5f69da8efc3a3beefef","https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dc","https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0","https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0c","https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40","https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53705","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-53705","identifiers":["CVE-2023-53705"]},"retained":false,"historicalAffected":[]}],"coverage":[]}