Improper locking in Linux kernel - CVE-2024-26785
Published: June 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92040
CSH Severity: Low
CVSS v4.0: 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-2024-26785
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the iommufd_test_syz_conv_iova(), iommufd_test_syz_conv_iova_id(), iommufd_test_access_pages() and iommufd_test_access_rw() functions in drivers/iommu/iommufd/selftest.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2024-26785
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/fc719ecbca45c9c046640d72baddba3d83e0bc0b
- https://git.kernel.org/stable/c/cf7c2789822db8b5efa34f5ebcf1621bc0008d48
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8