{"id":"CVE-2026-31631","summary":"rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix buffer overread in rxgk_do_verify_authenticator()\n\nFix rxgk_do_verify_authenticator() to check the buffer size before checking\nthe nonce.","modified":"2026-07-15T01:48:58.800442591Z","published":"2026-04-24T14:44:47.305Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31631.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1c4422d8be81718ecb15d79aedff607323085201"},{"type":"WEB","url":"https://git.kernel.org/stable/c/794586789800b16dcbe235452494f4223ac80413"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f564af387c8c28238f8ebc13314c589d7ba8475d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31631.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31631"},{"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":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a"},{"fixed":"794586789800b16dcbe235452494f4223ac80413"},{"fixed":"1c4422d8be81718ecb15d79aedff607323085201"},{"fixed":"f564af387c8c28238f8ebc13314c589d7ba8475d"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31631.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.16.0"},{"fixed":"6.18.23"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.13"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31631.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}]}