CVE-2026-43077

crypto: algif_aead - Fix minimum RX size check for decryption

MEDIUM
5.5
CVSS Score
Published: May 6, 2026 at 07:40 AM UTC
Updated: June 17, 2026 at 10:48 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

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

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

4.14 ≤ v < 5.10.2544.14 ≤ v < 5.15.2044.14 ≤ v < 6.1.1704.14 ≤ v < 6.12.834.14 ≤ v < 6.18.244.14 ≤ v < 6.19.144.14 ≤ v < 6.6.1364.14 ≤ v < 7.04.14.1 ≤ v < 5.10.2545.11 ≤ v < 5.15.2045.16 ≤ v < 6.1.1706.13 ≤ v < 6.18.246.19 ≤ v < 6.19.146.2 ≤ v < 6.6.1366.7 ≤ v < 6.12.834.147.0 rc17.0 rc27.0 rc37.0 rc47.0 rc57.0 rc67.0 rc7d887c52d6ae43aeebd249b5f2f1333e60236aa60
Vendor states this is fixed in 1c76b5675119f694458293a2a81f40731c69bd32 (fixed)
Vendor states this is fixed in 3afdc15d6173614d7d834517d9b65e7aa5a08548 (fixed)
Vendor states this is fixed in 3d14bd48e3a77091cbce637a12c2ae31b4a1687c (fixed)
Vendor states this is fixed in 74a66fdb5282d89e348b00c42cfca3a936946d94 (fixed)
Vendor states this is fixed in 78cea133daf721698876e56135049a96d39d610a (fixed)
Vendor states this is fixed in af2fa2fbbced26129813274b8b3f7705f280e174 (fixed)
Vendor states this is fixed in e86ab1e5661386a874fbb8551f0c04b8e9f8ad22 (fixed)
Vendor states this is fixed in fd427dd84f224309afbcc2cb67c7bb770a01265c (fixed)
Vendor states this is fixed in 4.14 (unaffected)
Vendor states this is fixed in 5.10.254 (unaffected)
Vendor states this is fixed in 5.15.204 (unaffected)
Vendor states this is fixed in 6.1.170 (unaffected)
Vendor states this is fixed in 6.12.83 (unaffected)
Vendor states this is fixed in 6.18.24 (unaffected)
Vendor states this is fixed in 6.19.14 (unaffected)
Vendor states this is fixed in 6.6.136 (unaffected)
Vendor states this is fixed in 7.0 (unaffected)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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