#VU102484 NULL pointer dereference in Linux kernel - CVE-2024-56776
Published: January 9, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU102484
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-56776
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the sti_cursor_atomic_check() function in drivers/gpu/drm/sti/sti_cursor.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/40725c5fabee804fecce41d4d5c5bae80c45e1c4
- https://git.kernel.org/stable/c/831214f77037de02afc287eae93ce97f218d8c04
- https://git.kernel.org/stable/c/8ab73ac97c0fa528f66eeccd9bb53eb6eb7d20dc
- https://git.kernel.org/stable/c/e98ff67f5a68114804607de549c2350d27628fc7
- https://git.kernel.org/stable/c/f67786293193cf01ebcc6fdbcbd1587b24f52679
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.4