CVE-2026-52972
Low
No strong exploitation signal.
CVSS base
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.1%
4.1th percentile
CISA KEV
Not listed
Weakness / dates
CWE-190
Published 2026-06-24 · modified 2026-08-17
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2026-06-24 — Published (NVD)
- 2026-08-17 — Last modified (NVD)
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.
Affected
References
- https://git.kernel.org/stable/c/0b3a57d218618cb1cc78ddc9ba02c07de84b46f4
- 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://access.redhat.com/security/cve/CVE-2026-52972
- https://bugzilla.redhat.com/show_bug.cgi?id=2492364
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json