vulnerability
Red Hat: CVE-2022-49845: kernel: can: j1939: j1939_send_one(): fix missing CAN header initialization (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | May 1, 2025 | Jul 9, 2025 | Nov 14, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
May 1, 2025
Added
Jul 9, 2025
Modified
Nov 14, 2025
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt
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