What’s Vulnerable › Vulnerabilities

CVE-2024-42122: drm/amd/display: Add NULL pointer check for kzalloc

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-30 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL pointer check for kzalloc [Why & How] Check return pointer of kzalloc before using it.

Affected products

• Linux kernel: before 6.9.9 — fixed in 6.9.9

How to fix

Upgrade to a fixed version: Linux kernel 6.9.9. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/062edd612fcd300f0f79a36fca5b8b6a5e2fce70
• https://git.kernel.org/stable/c/552e7938b4d7fe548fbf29b9950a14c6149d0470
• https://git.kernel.org/stable/c/8e65a1b7118acf6af96449e1e66b7adbc9396912
• https://git.kernel.org/stable/c/cd1e565a5b7fa60c349ca8a16db1e61715fe8230
• https://git.kernel.org/stable/c/062edd612fcd300f0f79a36fca5b8b6a5e2fce70
• https://git.kernel.org/stable/c/8e65a1b7118acf6af96449e1e66b7adbc9396912
• https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html

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