5.5

CVE-2022-49845: linux Use of Uninitialized Resource

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-49845DEBIAN-CVE-2022-49845
Published 01-05-2025Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2022-49845 is a medium (CVSS 5.5) Use of Uninitialized Resource vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.4% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 4
RHSA-2025:20518SUSE-SU-2025:01918-1SUSE-SU-2025:01966-1SUSE-SU-2025:02173-1SUSE-SU-2025:02262-1

Timeline

  1. 01-05-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_send_one(): fix missing CAN header initialization The read access to struct canxl_frame::len inside of a j1939 created skbuff revealed a missing initialization of reserved and later filled elements in struct can_frame. This patch initializes the 8 byte CAN header with zero.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

+0.01 pp

From 0.21% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu109 products
  • linux< 5.4.0-144.161 | < 5.15.0-67.74
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1097.105 | < 5.15.0-1031.35
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 9d71dd0c70099914fcd063135da3c580865e924c, < d0513b095e1ef1469718564dec3fb3348556d0a8 | ≥ 9d71dd0c70099914fcd063135da3c580865e924c, < f8e0edeaa0f2b860bdbbf0aafb4492533043d650 | ≥ 9d71dd0c70099914fcd063135da3c580865e924c, < 69e86c6268d59ceddd0abe9ae8f1f5296f316c3c | ≥ 9d71dd0c70099914fcd063135da3c580865e924c, < 2719f82ad5d8199cf5f346ea8bb3998ad5323b72 | ≥ 9d71dd0c70099914fcd063135da3c580865e924c, < 3eb3d283e8579a22b81dd2ac3987b77465b2a22f | 5.4
  • linux_kernel≥ 5.4, < 5.4.225 | ≥ 5.5, < 5.10.155 | ≥ 5.11, < 5.15.79 | ≥ 5.16, < 6.0.9 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4
Debian1 product
  • linux< 6.0.10-1

3 vendors · 112 products

References

9 links