Improper locking in Linux kernel - CVE-2025-22098

Vulnerability identifier: #VU107745

CSH Severity: Low

CVSS v4: 6.8 [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]

CVE-ID: CVE-2025-22098

CWE-ID: CWE-667

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the zynqmp_dp_ignore_hpd_set() function in drivers/gpu/drm/xlnx/zynqmp_dp.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-azure (Ubuntu package)
linux-aws (Ubuntu package)

Install update from vendor's website.

Linux kernel - addressed in versions 6.13.11, 6.14.2
linux (Ubuntu package) - addressed in versions 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-azure (Ubuntu package) - update to 6.14.0-1007.7
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1

• https://git.kernel.org/stable/c/3f988cd2f65175e79349961a43a9deb115174784
• https://git.kernel.org/stable/c/7a8d53aa5b7d2a89cda598239d08423bd66920f1
• https://git.kernel.org/stable/c/f887685ee0eb4ef716391355568181230338f6eb
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2

• Improper locking in Linux kernel drm xlnx driver
• Ubuntu update for linux
• Ubuntu update for linux-azure
• Ubuntu update for linux-aws