{"id":"CVE-2026-93817","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf: Fix addr_filter_ranges lifetime\n\nLee Jia Jie reported that since event::addr_filter_ranges is used\nunder RCU, it should be RCU freed.","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf: Fix addr_filter_ranges lifetime\n\nLee Jia Jie reported that since event::addr_filter_ranges is used\nunder RCU, it should be RCU freed.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cd8dab11046c03ab07899ce3fe2aa7d1a9702cf1","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6f1853b2b9f38f1343790bae8c0601b3f7554754","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e62d4192e593630f355094adc467058a05bdc935","Linux < 6.12.111","Linux < 6.18.53","Linux (all versions)"],"published":"2026-09-24","updated":"2026-09-25","sourceUpdated":"2026-09-25T13:17:22.577","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93817","references":[{"url":"https://git.kernel.org/stable/c/6f1853b2b9f38f1343790bae8c0601b3f7554754","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cd8dab11046c03ab07899ce3fe2aa7d1a9702cf1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e62d4192e593630f355094adc467058a05bdc935","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93817.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93817"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540391"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93817"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93817"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93817.mbox"},{"url":"https://access.redhat.com/errata/RHSA-2026:85773"},{"url":"https://access.redhat.com/errata/RHSA-2026:85774"},{"url":"https://access.redhat.com/errata/RHSA-2026:86033"},{"url":"https://git.kernel.org/stable/c/1d8e1e99b063de4179cc8af14d08115d74a37abf"},{"url":"https://access.redhat.com/errata/RHSA-2026:88477"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-24T16:47:15.893Z","epss":0.00129,"epssPercentile":0.02527,"cwe":["CWE-825"],"patched":["enterprise_linux_baseos_v_8","enterprise_linux_crb_v_8","enterprise_linux_nfv_v_8","enterprise_linux_rt_v_8"],"slug":"CVE-2026-93817","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nperf: Fix addr_filter_ranges lifetime\n\nLee Jia Jie reported that since event::addr_filter_ranges is used\nunder RCU, it should be RCU freed.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93817.json)\n- **RHSA-2026:85773** · Red Hat · fixed in: Red Hat Enterprise Linux BaseOS (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:85773)\n- **RHSA-2026:85774** · Red Hat · fixed in: Red Hat Enterprise Linux NFV (v. 8), Red Hat Enterprise Linux RT (v. 8) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:85774)\n- **RHSA-2026:86033** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9), Red Hat Enterprise Linux Real Time for NFV (v. 9), Red Hat Enterprise Linux Real Time (v. 9) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:86033)\n- **RHSA-2026:88477** · Red Hat · fixed in: 10Base-SMTV, Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10), Red Hat Enterprise Linux Hidden (v. 10), Red Hat Enterprise Linux Real Time for NFV (v. 10), … · released 2026-10-23 · [advisory](https://access.redhat.com/errata/RHSA-2026:88477)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":210565,"id":"CVE-2026-93817","ts":1790316054848,"field":"cvss","old":null,"new":"7.8"},{"seq":210564,"id":"CVE-2026-93817","ts":1790316054848,"field":"severity","old":"none","new":"high"}]}