CVE-2022-0854: debian debian_linux
Vulnerability summary
CVE-2022-0854 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 40% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 23 · Related 15Timeline
- 23-03-2022PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.46% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (git.kernel.org)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-401Missing Release of Memory after Effective LifetimeThe product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu83 products
- linuxAll versions (No fix recorded) | < 4.15.0-191.202 | < 5.4.0-126.142 | < 5.15.0-37.39
- linux-awsAll versions (No fix recorded) | < 4.15.0-1139.150 | < 5.4.0-1085.92 | < 5.15.0-1011.14
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Debian2 products
- linux< 5.17.3-1
- debian_linuxEOL9.0 | 10.0 | 11.0
Linux1 product
- linux_kernelEOL≤ 5.16 | 5.17 | 5.17:rc1 | 5.17:rc2 | 5.17:rc3 | 5.17:rc4 | 5.17:rc5 | 5.17:rc6 | 5.17:rc7
3 vendors · 86 products
References
9 links
- lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing ListX Refsource MLISTThird Party Advisory
