CVE-2022-49845

medium

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.

References

https://git.kernel.org/stable/c/f8e0edeaa0f2b860bdbbf0aafb4492533043d650

https://git.kernel.org/stable/c/d0513b095e1ef1469718564dec3fb3348556d0a8

https://git.kernel.org/stable/c/69e86c6268d59ceddd0abe9ae8f1f5296f316c3c

https://git.kernel.org/stable/c/3eb3d283e8579a22b81dd2ac3987b77465b2a22f

https://git.kernel.org/stable/c/2719f82ad5d8199cf5f346ea8bb3998ad5323b72

Details

Source: Mitre, NVD

Published: 2025-05-01

Updated: 2025-05-07

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018