{"id":"CVE-2026-52972","summary":"crypto: af_alg - Cap AEAD AD length to 0x80000000","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: af_alg - Cap AEAD AD length to 0x80000000\n\nIn order to prevent arithmetic overflows when checking the TX\nbuffer size, cap the associated data length to 0x80000000.","modified":"2026-07-09T10:14:57.088482750Z","published":"2026-06-24T16:28:50.425Z","related":["SUSE-SU-2026:2799-1","SUSE-SU-2026:2800-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52972.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e4c06479d7059888adf2f22bc1ebcf053bf691a2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-52972"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52972.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52972"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492364"},{"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":"400c40cf78da00c16e561a3a253ca272455c42ef"},{"fixed":"f8a5203596797f394ff3f9aa4005597a92249802"},{"fixed":"a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d"},{"fixed":"a4fe4eb580bbc7439f649a496d4cf38415a4021c"},{"fixed":"e4c4a5074532eaaa14951994a3aad0d479aa7431"},{"fixed":"265ac26d1c5e17b34d497cbda1f754a1ec8552bc"},{"fixed":"a1c5672faf8e93e38c2deac3979cc767ca5cf918"},{"fixed":"97948906dc8e0ea84775e03e35b60a2063c70193"},{"fixed":"e4c06479d7059888adf2f22bc1ebcf053bf691a2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52972.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"5.10.258"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.141"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.91"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.33"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52972.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}