SB2024082207 - Memory leak in Linux kernel iommu amd driver
Published: August 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082207
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory leak (CVE-ID: CVE-2022-48904)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: 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
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the v1_free_pgtable() function in drivers/iommu/amd/io_pgtable.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6
- https://git.kernel.org/stable/c/c78627f757e37c2cf386b59c700c4e1574988597
- https://git.kernel.org/stable/c/6b0b2d9a6a308bcd9300c2d83000a82812c56cea
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17