What’s Vulnerable › Vulnerabilities

CVE-2023-51043

• Severity: high (CVSS 7.0 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: 2024-01-23 · updated 2026-06-17
• Weakness: CWE-416

Description

In the Linux kernel before 6.4.5, drivers/gpu/drm/drm_atomic.c has a use-after-free during a race condition between a nonblocking atomic commit and a driver unload.

Affected products

• Linux kernel: before 6.4.5 — fixed in 6.4.5

How to fix

Upgrade to a fixed version: Linux kernel 6.4.5. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.5
• https://github.com/torvalds/linux/commit/4e076c73e4f6e90816b30fcd4a0d7ab365087255
• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.5
• https://github.com/torvalds/linux/commit/4e076c73e4f6e90816b30fcd4a0d7ab365087255

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