CVE-2022-49659
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-49659
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49659.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-49659
- Related
- Published
- 2025-02-26T07:01:40Z
- Modified
- 2025-02-26T07:01:40Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
can: mcan: mcan{readfifo,echotxevent}(): shift timestamp to full 32 bits
In commit 1be37d3b0414 ("can: m_can: fix periph RX path: use rx-offload to ensure skbs are sent from softirq context") the RX path for peripheral devices was switched to RX-offload.
Received CAN frames are pushed to RX-offload together with a timestamp. RX-offload is designed to handle overflows of the timestamp correctly, if 32 bit timestamps are provided.
The timestamps of m_can core are only 16 bits wide. So this patch shifts them to full 32 bit before passing them to RX-offload.
- References
Affected packages
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source