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
Not known to be exploited.
Data as of 30 Oct 2026, 15:05 UTC
Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or noneExploitation evidence
Disclosed: evidence found.
CVE published 21 Oct 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
- git.kernel.org/stable/c/d11ae22a8beee9771d933c1e5c95e217edcdbd38 (opens in a new tab)
- git.kernel.org/stable/c/16ce8fd94da8599bb6f0496895d392a69aead1c0 (opens in a new tab)
- git.kernel.org/stable/c/390d757621f5f35d11a63ed7d9d3262ead240064 (opens in a new tab)
- git.kernel.org/stable/c/8a1b1655a490a492a5a6987254c935ecce4eb9de (opens in a new tab)
- git.kernel.org/stable/c/f22f4754aaa47d8c59f166ba3042182859e5dff7 (opens in a new tab)