{"id":"CVE-2023-53705","summary":"ipv6: Fix out-of-bounds access in ipv6_find_tlv()","details":"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.","modified":"2026-04-02T09:44:53.606691Z","published":"2025-10-22T13:23:42.641Z","related":["SUSE-SU-2025:4111-1","SUSE-SU-2025:4135-1","SUSE-SU-2025:4139-1","SUSE-SU-2025:4149-1","SUSE-SU-2025:4188-1","SUSE-SU-2025:4189-1","SUSE-SU-2025:4315-1","SUSE-SU-2025:4320-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53705.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/011f47c8b8389154f996f5f69da8efc3a3beefef"},{"type":"WEB","url":"https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baeb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94"},{"type":"WEB","url":"https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671"},{"type":"WEB","url":"https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dc"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53705.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53705"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c61a404325093250b676f40ad8f4dd00f3bcab5f"},{"fixed":"59e656d0d4a84ea0ee9a39c6f69160a3effccc94"},{"fixed":"04bf69e3de435d793a203aacc4b774f8f9f2baeb"},{"fixed":"011f47c8b8389154f996f5f69da8efc3a3beefef"},{"fixed":"e5f82688ae10f5f386952e65e941bb8868ee54dc"},{"fixed":"9b92e2d0eb696d7586ba832c8854653b59887da0"},{"fixed":"91dd8aab9c9f193210681b86b6b92840ffe74f0c"},{"fixed":"ae68c0f7edbc9a294094ce03a0aaf45aa489ce40"},{"fixed":"878ecb0897f4737a4c9401f3523fd49589025671"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53705.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.19"},{"fixed":"4.14.316"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.284"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.244"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.181"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.114"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.31"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.3.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53705.json"}}],"schema_version":"1.7.5"}