High severity7.8NVD Advisory· Published Sep 24, 2026· Updated Oct 30, 2026
CVE-2026-93817
CVE-2026-93817
Description
In the Linux kernel, the following vulnerability has been resolved:
perf: Fix addr_filter_ranges lifetime
Lee Jia Jie reported that since event::addr_filter_ranges is used under RCU, it should be RCU freed.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
78- osv-coords77 versionspkg:linux/kernelpkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-64kpkg:rpm/almalinux/kernel-64k-corepkg:rpm/almalinux/kernel-64k-debugpkg:rpm/almalinux/kernel-64k-debug-corepkg:rpm/almalinux/kernel-64k-debug-develpkg:rpm/almalinux/kernel-64k-debug-devel-matchedpkg:rpm/almalinux/kernel-64k-debug-modulespkg:rpm/almalinux/kernel-64k-debug-modules-corepkg:rpm/almalinux/kernel-64k-debug-modules-extrapkg:rpm/almalinux/kernel-64k-develpkg:rpm/almalinux/kernel-64k-devel-matchedpkg:rpm/almalinux/kernel-64k-modulespkg:rpm/almalinux/kernel-64k-modules-corepkg:rpm/almalinux/kernel-64k-modules-extrapkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-debug-devel-matchedpkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-corepkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-debug-uki-virtpkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-devel-matchedpkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-corepkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-modules-extra-matchedpkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-64kpkg:rpm/almalinux/kernel-rt-64k-corepkg:rpm/almalinux/kernel-rt-64k-debugpkg:rpm/almalinux/kernel-rt-64k-debug-corepkg:rpm/almalinux/kernel-rt-64k-debug-develpkg:rpm/almalinux/kernel-rt-64k-debug-modulespkg:rpm/almalinux/kernel-rt-64k-debug-modules-corepkg:rpm/almalinux/kernel-rt-64k-debug-modules-extrapkg:rpm/almalinux/kernel-rt-64k-develpkg:rpm/almalinux/kernel-rt-64k-modulespkg:rpm/almalinux/kernel-rt-64k-modules-corepkg:rpm/almalinux/kernel-rt-64k-modules-extrapkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/almalinux/kernel-rt-debug-modules-corepkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-rt-modules-corepkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-uki-virtpkg:rpm/almalinux/kernel-uki-virt-addonspkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-zfcpdump-devel-matchedpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-zfcpdump-modules-corepkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/libperfpkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perfpkg:rpm/almalinux/rtlapkg:rpm/almalinux/rv
>= 4.7.0, < 6.1.191+ 76 more
- (no CPE)range: >= 4.7.0, < 6.1.191
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 6.12.0-211.68.1.el10_2
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.rt7.517.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 4.18.0-553.176.1.el8_10
- (no CPE)range: < 5.14.0-687.59.1.el9_8
- (no CPE)range: < 5.14.0-687.59.1.el9_8
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/1d8e1e99b063de4179cc8af14d08115d74a37abfnvd
- git.kernel.org/stable/c/6f1853b2b9f38f1343790bae8c0601b3f7554754nvd
- git.kernel.org/stable/c/a0b1ec3a2daf4d4233fae9b5b8d657b4a5db4df6nvd
- git.kernel.org/stable/c/cd8dab11046c03ab07899ce3fe2aa7d1a9702cf1nvd
- git.kernel.org/stable/c/e62d4192e593630f355094adc467058a05bdc935nvd
News mentions
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