CVE-2022-49845

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Source
https://cve.org/CVERecord?id=CVE-2022-49845
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49845.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-49845
Downstream
Related
Published
2025-05-01T14:09:59.718Z
Modified
2026-04-03T13:14:36.810444089Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
can: j1939: j1939_send_one(): fix missing CAN header initialization
Details

In the Linux kernel, the following vulnerability has been resolved:

can: j1939: j1939sendone(): fix missing CAN header initialization

The read access to struct canxlframe::len inside of a j1939 created skbuff revealed a missing initialization of reserved and later filled elements in struct canframe.

This patch initializes the 8 byte CAN header with zero.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49845.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
9d71dd0c70099914fcd063135da3c580865e924c
Fixed
d0513b095e1ef1469718564dec3fb3348556d0a8
Fixed
f8e0edeaa0f2b860bdbbf0aafb4492533043d650
Fixed
69e86c6268d59ceddd0abe9ae8f1f5296f316c3c
Fixed
2719f82ad5d8199cf5f346ea8bb3998ad5323b72
Fixed
3eb3d283e8579a22b81dd2ac3987b77465b2a22f

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49845.json"