CVE-2024-49923: drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags
CSIRTS triage
- What
- A null pointer dereference in the DRM AMD display driver when validating pipe split flags.
- Who is affected
- Systems running the affected Linux kernel version with AMD display hardware.
- Urgency
- Unknown severity; no immediate exploitation details provided.
- Action
- Apply kernel patch or update to a fixed kernel version once available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49923
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2024-499230.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-49923 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for drm/amd/display
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-74732: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check for…nvd · 2026-08-22
- highCVE-2026-74449: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix divid…nvd · 2026-08-15
- unknownCVE-2026-68436: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: use kvzal…nvd · 2026-08-12
- lowCVE-2026-68256: drm/amd/display: detect_link_and_local_sink: DP alt mode timeout path leaks prev_sink referenc…msrc · 2026-08-11
- mediumCVE-2026-68436: drm/amd/display: use kvzalloc to allocate struct dcmsrc · 2026-08-11
- criticalCVE-2026-68236: drm/amd/display: set new_stream to NULL after releasemsrc · 2026-08-11
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