Linux · Security advisory · May 21, 2026

RXSA-2026:13577: kernel security update

RXSA-2026:13577, released May 21, 2026, fixes 7 CVEs in kernel (version 0:4.18.0-553.123.1.el8_10.cloud.0.1). 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
7
1 rated Critical
Exploited
1
CVE-2026-31431
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.9811
99th percentile

Priority of the 7 CVEs

Patch now 1 Urgent 1 High 5 Routine 0

Fixed package versions

ProductReleaseFixed in
kernelrocky 80:4.18.0-553.123.1.el8_10.cloud.0.1

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Patch now CVE-2026-31431 crypto: algif_aead - Revert to operating out-of-place 8.1 0.9811 KEVExploited
Urgent CVE-2026-31402 kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues wer... 9.8 0.0122 None reported
High CVE-2024-41073 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: e... 8.1 0.0067 None reported
High CVE-2025-40252 net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end() 9.8 0.0065 None reported
High CVE-2026-23401 KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE 8.8 0.0019 None reported
High CVE-2025-68724 linux: In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - prevent overflow in as... 8.1 0.0014 None reported
High CVE-2026-43077 kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues wer... 8.1 0.0012 None reported
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