Vulnerability Description
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.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.16 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernelExploitMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing ListThird Party Advisory
- https://www.debian.org/security/2022/dsa-5161Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernelExploitMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing ListThird Party Advisory
- https://www.debian.org/security/2022/dsa-5161Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173Third Party Advisory
FAQ
What is CVE-2022-0854?
CVE-2022-0854 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.
How severe is CVE-2022-0854?
CVE-2022-0854 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-0854?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.