CVE-2026-52972

crypto: af_alg - Cap AEAD AD length to 0x80000000

MEDIUM

5.5

CVSS Score

Published: June 24, 2026 at 04:28 PM UTC

Updated: October 25, 2026 at 10:10 PM UTC

2 products affected across 2 vendorsLinux KernelEnterprise Linux

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.1%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.1 ≤ v < 5.10.2585.11 ≤ v < 5.15.2095.16 ≤ v < 6.1.1756.13 ≤ v < 6.18.336.19 ≤ v < 7.0.106.2 ≤ v < 6.6.1416.7 ≤ v < 6.12.917.1 ≤ v < 7.24.1400c40cf78da00c16e561a3a253ca272455c42ef

Vendor states this is fixed in 0b3a57d218618cb1cc78ddc9ba02c07de84b46f4 (fixed)

Vendor states this is fixed in 265ac26d1c5e17b34d497cbda1f754a1ec8552bc (fixed)

Vendor states this is fixed in 97948906dc8e0ea84775e03e35b60a2063c70193 (fixed)

Vendor states this is fixed in a1c5672faf8e93e38c2deac3979cc767ca5cf918 (fixed)

Vendor states this is fixed in a4fe4eb580bbc7439f649a496d4cf38415a4021c (fixed)

Vendor states this is fixed in a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d (fixed)

Vendor states this is fixed in e4c06479d7059888adf2f22bc1ebcf053bf691a2 (fixed)

Vendor states this is fixed in e4c4a5074532eaaa14951994a3aad0d479aa7431 (fixed)

Vendor states this is fixed in f8a5203596797f394ff3f9aa4005597a92249802 (fixed)

Vendor states this is fixed in 4.1 (unaffected)

Vendor states this is fixed in 5.10.258 (unaffected)

Vendor states this is fixed in 5.15.209 (unaffected)