CVE-2022-49845

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

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/d0513b095e1ef1469718564dec3fb3348556d0a8 patch
https://git.kernel.org/stable/c/f8e0edeaa0f2b860bdbbf0aafb4492533043d650 patch
https://git.kernel.org/stable/c/69e86c6268d59ceddd0abe9ae8f1f5296f316c3c patch
https://git.kernel.org/stable/c/2719f82ad5d8199cf5f346ea8bb3998ad5323b72 patch
https://git.kernel.org/stable/c/3eb3d283e8579a22b81dd2ac3987b77465b2a22f patch

Frequently Asked Questions

What is the severity of CVE-2022-49845?
CVE-2022-49845 has been scored as a medium severity vulnerability.
How to fix CVE-2022-49845?
To fix CVE-2022-49845, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-49845 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-49845 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-49845?
CVE-2022-49845 affects Linux Linux, Linux Linux.
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