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VulnerabilityPublished Updated

CVE-2024-49919: Linux kernel · drm/amd/display: Add null check for head_pipe in dcn201_acquire_free_pipe_for_layer

Affects Linux kernelSource GCVE Database

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Not known to be exploited.

Data as of 30 Oct 2026, 15:05 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Oct 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

AI-suggested

A fix has been implemented in the Linux kernel to add a null check for head_pipe in the affected function. Users should update to the latest kernel version containing this fix once it is released. No additional mitigation steps are indicated.

Description

A null pointer dereference vulnerability was identified and fixed in the Linux kernel's AMD display driver component. The issue occurred in the function dcn201_acquire_free_pipe_for_layer when the variable head_pipe was null. The fix adds a null check to prevent dereferencing a null pointer, which could otherwise lead to a kernel crash or instability.

References

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