| Name | CVE-2021-47306 |
| Description | In the Linux kernel, the following vulnerability has been resolved:
net: fddi: fix UAF in fza_probe
fp is netdev private data and it cannot be
used after free_netdev() call. Using fp after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() after error message.
TURBOchannel adapter") |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | vulnerable |
| stretch (security) | 4.9.320-2 | vulnerable |
| stretch (lts), stretch | 4.9.320-3 | vulnerable |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed |
| bullseye (security), bullseye | 5.10.223-1 | fixed |
| bookworm | 6.1.106-3 | fixed |
| bookworm (security) | 6.1.99-1 | fixed |
| trixie | 6.10.6-1 | fixed |
| sid | 6.10.7-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | jessie | (unfixed) | end-of-life | | |
| linux | source | stretch | (unfixed) | end-of-life | | |
| linux | source | buster | (not affected) | | | |
| linux | source | bullseye | 5.10.70-1 | | | |
| linux | source | (unstable) | 5.14.6-1 | | | |
Notes
[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 (5.14-rc2)