CVE-2022-49845

can: j1939: j1939_send_one(): fix missing CAN header initialization

Medium · published May 1, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
11.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00217 · 11.5th percentile
Published
2025-05-01T14:09Z
EPSS history
Timeline
  • 01 MAY 14:09Z
    can: j1939: j1939_send_one(): fix missing CAN header initialization
    cvelistv5