| Name | CVE-2021-23134 |
| Description | Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2689-1, DLA-2690-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.234-1 | fixed | |
| bookworm | 6.1.129-1 | fixed | |
| bookworm (security) | 6.1.128-1 | fixed | |
| trixie | 6.12.20-1 | fixed | |
| sid | 6.12.21-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | stretch | 4.9.272-1 | DLA-2689-1 | ||
| linux | source | buster | 4.19.194-1 | |||
| linux | source | (unstable) | 5.10.38-1 | |||
| linux-4.19 | source | stretch | 4.19.194-1~deb9u1 | DLA-2690-1 |
https://git.kernel.org/linus/c61760e6940dd4039a7f5e84a6afc9cdbf4d82b6
https://www.openwall.com/lists/oss-security/2021/05/11/4