5.5

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

Analyzed
AliasesUBUNTU-CVE-2026-43077DEBIAN-CVE-2026-43077
Published 06-05-2026Last modified 11-05-2026

Vulnerability summary

CVE-2026-43077 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 176 · Related 178
OPENSUSE-SU-2026:21555-1RHSA-2026:13565RHSA-2026:13566RHSA-2026:13577RHSA-2026:13578RHSA-2026:13681

Showing 100 of 192.

Timeline

  1. 06-05-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

Decrease -0.04 pp

From 0.16% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu155 products
  • linux< 4.15.0-250.262 | < 5.4.0-230.250 | < 5.15.0-179.189 | < 6.8.0-117.117 | < 6.17.0-29.29
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1192.205 | < 5.4.0-1159.169 | < 5.15.0-1108.115 | < 6.8.0-1055.58 | < 6.17.0-1015.15
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ d887c52d6ae43aeebd249b5f2f1333e60236aa60, < 74a66fdb5282d89e348b00c42cfca3a936946d94 | ≥ d887c52d6ae43aeebd249b5f2f1333e60236aa60, < fd427dd84f224309afbcc2cb67c7bb770a01265c | ≥ d887c52d6ae43aeebd249b5f2f1333e60236aa60, < 1c76b5675119f694458293a2a81f40731c69bd32 | ≥ d887c52d6ae43aeebd249b5f2f1333e60236aa60, < e86ab1e5661386a874fbb8551f0c04b8e9f8ad22 | ≥ d887c52d6ae43aeebd249b5f2f1333e60236aa60, < af2fa2fbbced26129813274b8b3f7705f280e174 | ≥ d887c52d6ae43aeebd249b5f2f1333e60236aa60, < 78cea133daf721698876e56135049a96d39d610a | ≥ d887c52d6ae43aeebd249b5f2f1333e60236aa60, < 3afdc15d6173614d7d834517d9b65e7aa5a08548 | ≥ d887c52d6ae43aeebd249b5f2f1333e60236aa60, < 3d14bd48e3a77091cbce637a12c2ae31b4a1687c | 4.14
  • linux_kernelEOL≥ 4.14.1, < 5.10.254 | ≥ 5.11, < 5.15.204 | ≥ 5.16, < 6.1.170 | ≥ 6.2, < 6.6.136 | ≥ 6.7, < 6.12.83 | ≥ 6.13, < 6.18.24 | ≥ 6.19, < 6.19.14 | 4.14 | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.0:rc5 | 7.0:rc6 | 7.0:rc7
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.14-1

3 vendors · 158 products

References

43 links
Show all 43 references