What’s Vulnerable › Vulnerabilities

CVE-2026-43077: crypto: algif_aead - Fix minimum RX size check for decryption

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-06 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Fix minimum RX size check for decryption The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the required extra length.

Affected products

• Linux kernel: from 4.14.1 before 5.10.254; from 5.11 before 5.15.204; from 5.16 before 6.1.170; from 6.2 before 6.6.136; from 6.7 before 6.12.83; from 6.13 before 6.18.24 — fixed in 5.10.254, 5.15.204, 6.1.170, 6.12.83, 6.18.24, 6.19.14

How to fix

Upgrade to a fixed version: Linux kernel 5.10.254, 5.15.204, 6.1.170, 6.12.83. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1c76b5675119f694458293a2a81f40731c69bd32
• https://git.kernel.org/stable/c/3afdc15d6173614d7d834517d9b65e7aa5a08548
• https://git.kernel.org/stable/c/3d14bd48e3a77091cbce637a12c2ae31b4a1687c
• https://git.kernel.org/stable/c/74a66fdb5282d89e348b00c42cfca3a936946d94
• https://git.kernel.org/stable/c/78cea133daf721698876e56135049a96d39d610a
• https://git.kernel.org/stable/c/af2fa2fbbced26129813274b8b3f7705f280e174
• https://git.kernel.org/stable/c/e86ab1e5661386a874fbb8551f0c04b8e9f8ad22
• https://git.kernel.org/stable/c/fd427dd84f224309afbcc2cb67c7bb770a01265c

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