CVE-2026-52972
Published: June 26, 2026Last modified: June 26, 2026
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.175-r0) |
| 25 LTS | linux-lts | Fixed (6.12.92-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://access.redhat.com/security/cve/CVE-2026-52972
- https://bugzilla.redhat.com/show_bug.cgi?id=2492364
- 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://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json