What’s Vulnerable › Vulnerabilities

CVE-2023-52788: i915/perf: Fix NULL deref bugs with drm_dbg() calls

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-21 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: i915/perf: Fix NULL deref bugs with drm_dbg() calls When i915 perf interface is not available dereferencing it will lead to NULL dereferences. As returning -ENOTSUPP is pretty clear return when perf interface is not available. [tursulin: added stable tag] (cherry picked from commit 36f27350ff745bd228ab04d7845dfbffc177a889)

Affected products

• Linux kernel: from 5.15.108 before 5.15.140; from 6.0 before 6.1.64; from 6.2 before 6.5.13; from 6.6 before 6.6.3 — fixed in 5.15.140, 6.1.64, 6.5.13, 6.6.3

How to fix

Upgrade to a fixed version: Linux kernel 5.15.140, 6.1.64, 6.5.13, 6.6.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/10f49cdfd5fb342a1a9641930dc040c570694e98
• https://git.kernel.org/stable/c/1566e8be73fd5fa424e88d2a4cffdc34f970f0e1
• https://git.kernel.org/stable/c/471aa951bf1206d3c10d0daa67005b8e4db4ff83
• https://git.kernel.org/stable/c/55db76caa782baa4a1bf02296e2773c38a524a3e
• https://git.kernel.org/stable/c/bf8e105030083e7b71591cdf437e464bcd8a0c09
• https://git.kernel.org/stable/c/10f49cdfd5fb342a1a9641930dc040c570694e98
• https://git.kernel.org/stable/c/1566e8be73fd5fa424e88d2a4cffdc34f970f0e1
• https://git.kernel.org/stable/c/471aa951bf1206d3c10d0daa67005b8e4db4ff83
• https://git.kernel.org/stable/c/55db76caa782baa4a1bf02296e2773c38a524a3e
• https://git.kernel.org/stable/c/bf8e105030083e7b71591cdf437e464bcd8a0c09

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