What’s Vulnerable › Vulnerabilities

CVE-2024-49923: drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags

• 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: 2024-10-21 · updated 2026-10-30
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags [WHAT & HOW] "dcn20_validate_apply_pipe_split_flags" dereferences merge, and thus it cannot be a null pointer. Let's pass a valid pointer to avoid null dereference. This fixes 2 FORWARD_NULL issues reported by Coverity.

Affected products

• Linux kernel: before 6.10.14; from 6.11 before 6.11.3 — fixed in 6.10.14, 6.11.3
• Linux: 4.15 — fixed in 6.12

How to fix

Upgrade to a fixed version: Linux kernel 6.10.14, 6.11.3; Linux 6.12. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/34fe02e7207be635725dcf92dbe7003e11697a5b
• https://git.kernel.org/stable/c/39a580cd15397e102aaec25986ae5acf492f8930
• https://git.kernel.org/stable/c/5559598742fb4538e4c51c48ef70563c49c2af23
• https://git.kernel.org/stable/c/85aa996ecfaa95d1e922867390502d23ce21b905
• https://git.kernel.org/stable/c/9a05270869f40c89f8d184fe2d37cb86e0d7e5f5

Get alerted when CVE-2024-49923 or the next vulnerability affects your stack