# RHSA-2026:13577: Security update for 23 packages RHSA-2026:13577, released May 15, 2026, fixes 7 CVEs across 23 products. One of them is being exploited (CVE-2026-31431); 1 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/linux/rhsa-2026-13577 - Platform: Linux - Released: May 15, 2026 - Priority: Patch now (Closes CVE-2026-31431, exploited (CISA KEV)) - CVEs: 7, exploited: 1, on CISA KEV: 1 - Vendor advisory: https://access.redhat.com/errata/RHSA-2026:13577 ## Applies to | Product | Release | Fixed in | |---|---|---| | [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-zfcpdump](https://patchblox.com/security/data/product/linux/kernel-zfcpdump.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-zfcpdump-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-core.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-zfcpdump-devel](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-zfcpdump-modules](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [kernel-zfcpdump-modules-extra](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-extra.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [perf](https://patchblox.com/security/data/product/linux/perf.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | | [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | RHEL 8 | 0:4.18.0-553.123.1.el8_10 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2026-31431](https://patchblox.com/security/data/cve/CVE-2026-31431.md) | Patch now | crypto: algif_aead - Revert to operating out-of-place | 8.1 | 0.9811 | CISA KEV | | [CVE-2026-31402](https://patchblox.com/security/data/cve/CVE-2026-31402.md) | Urgent | 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 | | | [CVE-2024-41073](https://patchblox.com/security/data/cve/CVE-2024-41073.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: e... | 8.1 | 0.0067 | | | [CVE-2025-40252](https://patchblox.com/security/data/cve/CVE-2025-40252.md) | High | net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end() | 9.8 | 0.0065 | | | [CVE-2026-23401](https://patchblox.com/security/data/cve/CVE-2026-23401.md) | High | KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE | 8.8 | 0.0019 | | | [CVE-2025-68724](https://patchblox.com/security/data/cve/CVE-2025-68724.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - prevent overflow in as... | 8.1 | 0.0014 | | | [CVE-2026-43077](https://patchblox.com/security/data/cve/CVE-2026-43077.md) | High | 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 | | --- Data as of 2026-11-07T18:46:35Z UTC. 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