Vulnerability in Linux
CVE-2022-48904
In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix I/O page table memory leak The current logic updates the I/O page table mode for the domain before calling the logic to free memory used for the page table. This results in IOMMU page table memory leak, and can be observed when launching VM w/ pass-through devices. Fix by freeing the memory used for page table before updating the mode.
EPSS: 0.002 (11.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions e42ba0633064ef23eb1c8c21edf96bac1541bd4b, 5.12, 0
- Linux Linux_kernel — versions 5.17
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-48904?
- CVE-2022-48904 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2024-08-22.
- How severe is CVE-2022-48904?
- Medium severity. CVSS v3 base score is 5.5 out of 10.