CVE-2022-0854
Not scored
CVE-2022-0854
A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
Exploit probability
0.5%
Published
March 23, 2022
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2022-0854
View original source
A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0854.json
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-0854
- https://www.debian.org/security/2022/dsa-5161
- https://www.debian.org/security/2022/dsa-5173