Linux · Amazon Linux · Security advisory · May 4, 2026

ALAS2023-2026-1650: Security update for 18 packages

ALAS2023-2026-1650, released May 4, 2026, fixes 5 CVEs across 18 products. One of them is being exploited (CVE-2026-31431); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV
CVEs closed
5
None rated Critical
Exploited
1
CVE-2026-31431
Highest CVSS
8.1
Base score, 0 to 10
Highest EPSS
0.9811
99th percentile

Priority of the 5 CVEs

Patch now 1 Urgent 0 High 4 Routine 0

Fixed package versions

ProductReleaseFixed in
bpftool6.12amzn 20231:6.12.80-106.156.amzn2023
bpftool6.12-debuginfoamzn 20231:6.12.80-106.156.amzn2023
kernel-livepatch-6.12.80-106.156amzn 20231:1.0-0.amzn2023
kernel6.12amzn 20231:6.12.80-106.156.amzn2023
kernel6.12-debuginfoamzn 20231:6.12.80-106.156.amzn2023
kernel6.12-debuginfo-common-aarch64amzn 20231:6.12.80-106.156.amzn2023
kernel6.12-debuginfo-common-x86_64amzn 20231:6.12.80-106.156.amzn2023
kernel6.12-develamzn 20231:6.12.80-106.156.amzn2023
kernel6.12-headersamzn 20231:6.12.80-106.156.amzn2023
kernel6.12-modules-extraamzn 20231:6.12.80-106.156.amzn2023
kernel6.12-modules-extra-commonamzn 20231:6.12.80-106.156.amzn2023
kernel6.12-toolsamzn 20231:6.12.80-106.156.amzn2023
kernel6.12-tools-debuginfoamzn 20231:6.12.80-106.156.amzn2023
kernel6.12-tools-develamzn 20231:6.12.80-106.156.amzn2023
perf6.12amzn 20231:6.12.80-106.156.amzn2023
perf6.12-debuginfoamzn 20231:6.12.80-106.156.amzn2023
python3-perf6.12amzn 20231:6.12.80-106.156.amzn2023
python3-perf6.12-debuginfoamzn 20231:6.12.80-106.156.amzn2023

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Patch now CVE-2026-31431 crypto: algif_aead - Revert to operating out-of-place8.1 0.9811 KEVExploited
High CVE-2026-43033 crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption7.8 0.0014 None reported
High CVE-2026-43078 kernel-uek: crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl (Herbert Xu) [Orabug: 39250685,39331108]7.8 0.0013 None reported
High CVE-2026-43077 kernel-default: crypto: algif_aead - Fix minimum RX size check for decryption (bsc#1264470).8.1 0.0012 None reported
High CVE-2026-46028 kernel-64kb: crypto: algif_aead - snapshot IV for async AEAD requests (bsc#1267430).7.0 0.0012 None reported
Showing 1 to 5 of 5 1

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