Information disclosure in Linux Kernel
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.
Vulnerability class: Information Disclosure
Published · last modified .
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel — versions 5.17
- Debian Linux — versions 9.0, 10.0, 11.0
- Kernel — versions Linux kernel 5.17-rc8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/sw… (Exploit, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5161 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/07/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5173 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0854?
- CVE-2022-0854 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2022-03-23.
- How severe is CVE-2022-0854?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-0854 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.