Use-after-free in Linux kernel - CVE-2025-37837
Published: May 9, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108858
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-37837
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tegra241_cmdqv_hw_reset(), tegra241_vintf_free_lvcmdq() and tegra241_cmdqv_init_structures() functions in drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c. A local user can escalate privileges on the system.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-azure (Ubuntu package)
linux-aws (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-azure (Ubuntu package)
linux-aws (Ubuntu package)
How to mitigate CVE-2025-37837
Install update from vendor's website.
Linux kernel - update to 6.12.24
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
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
External References
- https://git.kernel.org/stable/c/5584dbf393df509159813645a487b1ef76557722
- https://git.kernel.org/stable/c/767e22001dfce64cc03b7def1562338591ab6031
- https://git.kernel.org/stable/c/e38ed6908080047d8fa1763d1da86b584f9eb55b
- https://git.kernel.org/stable/c/e5dd974d6e00704553308ef1a88659f8dcfb39d4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.24