CVE-2021-47669
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-47669
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47669.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-47669
- Downstream
- Related
- Published
- 2025-04-17T18:15:43Z
- Modified
- 2025-04-21T18:41:22Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
can: vxcan: vxcan_xmit: fix use after free bug
After calling netifrxni(skb), dereferencing skb is unsafe. Especially, the canfdframe cfd which aliases skb memory is accessed after the netifrx_ni().
- References
-
- https://git.kernel.org/stable/c/6d6dcf2399cdd26f7f5426ca8dd8366b7f2ca105
- https://git.kernel.org/stable/c/75854cad5d80976f6ea0f0431f8cedd3bcc475cb
- https://git.kernel.org/stable/c/9b820875a32a3443d67bfd368e93038354e98052
- https://git.kernel.org/stable/c/a24476b37167816e6352ca1a2cf3769847774f70
- https://git.kernel.org/stable/c/e771a874076115df8bff27d325edfd2340e4ec69
- https://security-tracker.debian.org/tracker/CVE-2021-47669
Affected packages
Debian:11 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
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