CVE-2026-31636
kernel: rxrpc: fix RESPONSE authenticator parser OOB read (CKI Backport Bot) [RHEL-171456]
CVE-2026-31636 is fixed in 76 products on 1 platform, first by RHSA-2026:30129, released April 24, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
9.1
IMPORTANT
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0044
38th percentile
rxrpc: fix RESPONSE authenticator parser OOB read (CKI Backport Bot) [RHEL-171456]
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| kernel · RHEL 10 | 6.12.0-211.28.1.el10_2 | RHSA-2026:30129 | Apr 24, 2026 |
| kernel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel · rocky 10 | 0:6.12.0-211.28.1.el10_2 | RLSA-2026:30129 | Jun 27, 2026 |
| kernel-64k · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-debug · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-debug-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-debug-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-debug-devel-matched · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-debug-modules · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-debug-modules-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-debug-modules-extra · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-devel-matched · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-modules · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-modules-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-64k-modules-extra · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-abi-stablelists · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-abi-stablelists · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-core · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-cross-headers · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-cross-headers · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-debug · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-debug · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-debug-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-debug-core · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-debug-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-debug-devel · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-debug-devel-matched · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-debug-devel-matched · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-debug-modules · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-debug-modules · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-debug-modules-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-debug-modules-core · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-debug-modules-extra · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-debug-modules-extra · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-debug-uki-virt · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-debug-uki-virt · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-devel · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-devel-matched · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-devel-matched · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-doc · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-doc · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-headers · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-headers · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-modules · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-modules · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-modules-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-modules-core · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-modules-extra · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-modules-extra · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-modules-extra-matched · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-modules-extra-matched · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-rt · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-debug · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-debug-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-debug-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-debug-modules · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-debug-modules-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-debug-modules-extra · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-modules · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-modules-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-64k-modules-extra · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-debug · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-debug-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-debug-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-debug-modules · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-debug-modules-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-debug-modules-extra · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-modules · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-modules-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-rt-modules-extra · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-tools · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-tools · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-tools-libs · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-tools-libs · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-tools-libs-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-tools-libs-devel · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-uki-virt · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-uki-virt · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-uki-virt-addons · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-uki-virt-addons · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| kernel-zfcpdump · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-zfcpdump-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-zfcpdump-devel · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-zfcpdump-devel-matched · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-zfcpdump-modules · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-zfcpdump-modules-core · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| kernel-zfcpdump-modules-extra · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| libperf · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| libperf · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| linux · Debian 14 | 6.19.13-1 | DEBIAN-CVE-2026-31636 | May 15, 2026 |
| perf · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| perf · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| python3-perf · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| python3-perf · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| rtla · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| rtla · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
| rv · almalinux 10 | 6.12.0-211.28.1.el10_2 | ALSA-2026:30129 | Jun 25, 2026 |
| rv · ol 10 | 0:6.12.0-211.34.1.el10_2 | ELSA-2026-30129 | Aug 6, 2026 |
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