What’s Vulnerable › Vulnerabilities

CVE-2026-93817: perf: Fix addr_filter_ranges lifetime

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-24 · updated 2026-10-30

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.

Affected products

• Linux: 4.7 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1d8e1e99b063de4179cc8af14d08115d74a37abf
• https://git.kernel.org/stable/c/6f1853b2b9f38f1343790bae8c0601b3f7554754
• https://git.kernel.org/stable/c/a0b1ec3a2daf4d4233fae9b5b8d657b4a5db4df6
• https://git.kernel.org/stable/c/cd8dab11046c03ab07899ce3fe2aa7d1a9702cf1
• https://git.kernel.org/stable/c/e62d4192e593630f355094adc467058a05bdc935

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