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CVE-2026-93817

Linux: perf: Fix addr_filter_ranges lifetime

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.13%Chance of exploitation activity in the next 30 days, higher than 2% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1d8e1e99b063de4179cc8af14d08115d74a37abfAlso 6f1853b2b9f38f1343790bae8c0601b3f7554754CVE List
Published24 Sep 2026Updated 21 Oct 2026CVE List

What fixes it

  • 1d8e1e99b063de4179cc8af14d08115d74a37abfLinuxCVE List
  • 6f1853b2b9f38f1343790bae8c0601b3f7554754LinuxCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 10

  • Linuxaffected: 375637bc524952f1122ea22caf5a8f1fecad8228 before 1d8e1e99b063de4179cc8af14d08115d74a37abfCVE List
  • Linuxaffected: 375637bc524952f1122ea22caf5a8f1fecad8228 before cd8dab11046c03ab07899ce3fe2aa7d1a9702cf1CVE List
  • Linuxaffected: 375637bc524952f1122ea22caf5a8f1fecad8228 before 6f1853b2b9f38f1343790bae8c0601b3f7554754CVE List
  • Linuxaffected: 375637bc524952f1122ea22caf5a8f1fecad8228 before e62d4192e593630f355094adc467058a05bdc935CVE List
  • Linuxaffected: 4.7CVE List
  • Linuxunaffected: all versions before 4.7CVE List
  • Linuxunaffected: 6.6.160 through 6.6.*CVE List
  • Linuxunaffected: 6.12.111 through 6.12.*CVE List
  • Linuxunaffected: 6.18.53 through 6.18.*CVE List
  • Linuxunaffected: 7.2CVE List

References 4