CVE-2022-48977
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-48977
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48977.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2022-48977
- Downstream
- Related
- Published
- 2024-10-21T20:15:09Z
- Modified
- 2025-08-09T20:01:26Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
can: afcan: fix NULL pointer dereference in canrcv_filter
Analogue to commit 8aa59e355949 ("can: afcan: fix NULL pointer dereference in canrxregister()") we need to check for a missing initialization of mlpriv in the receive path of CAN frames.
Since commit 4e096a18867a ("net: introduce CAN specific pointer in the struct netdevice") the check for dev->type to be ARPHRDCAN is not sufficient anymore since bonding or tun netdevices claim to be CAN devices but do not initialize ml_priv accordingly.
- References
-
- https://git.kernel.org/stable/c/0acc442309a0a1b01bcdaa135e56e6398a49439c
- https://git.kernel.org/stable/c/3982652957e8d79ac32efcb725450580650a8644
- https://git.kernel.org/stable/c/c142cba37de29f740a3852f01f59876af8ae462a
- https://git.kernel.org/stable/c/c42221efb1159d6a3c89e96685ee38acdce86b6f
- https://git.kernel.org/stable/c/fcc63f2f7ee3038d53216edd0d8291e57c752557