Bug 2540391 (CVE-2026-93817) - CVE-2026-93817 kernel: perf: Fix addr_filter_ranges lifetime
Summary: CVE-2026-93817 kernel: perf: Fix addr_filter_ranges lifetime
Keywords:
Status: NEW
Alias: CVE-2026-93817
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-24 16:38 UTC by OSIDB Bzimport
Modified: 2026-09-28 14:19 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-09-24 16:38:35 UTC 
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.
Comment 1 Mauro Matteo Cascella 2026-09-28 14:09:59 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93817.mbox
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