CVE-2026-52972
Not scored
crypto: af_alg - Cap AEAD AD length to 0x80000000
In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Cap AEAD AD length to 0x80000000 In order to prevent arithmetic overflows when checking the TX buffer size, cap the associated data length to 0x80000000.
Exploit probability
0.1%
Published
June 24, 2026
Required by
Not available
Last source change
July 22, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-52972
View original source
In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Cap AEAD AD length to 0x80000000 In order to prevent arithmetic overflows when checking the TX buffer size, cap the associated data length to 0x80000000.
05 / REFERENCES
Further evidence
- https://access.redhat.com/security/cve/CVE-2026-52972
- https://bugzilla.redhat.com/show_bug.cgi?id=2492364
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc
- https://git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193
- https://git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918
- https://git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c
- https://git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d
- https://git.kernel.org/stable/c/e4c06479d7059888adf2f22bc1ebcf053bf691a2
- https://git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431
- https://git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52972.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-52972
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json