Name | CVE-2021-47186 |
Description | In the Linux kernel, the following vulnerability has been resolved: tipc: check for null after calling kmemdup kmemdup can return a null pointer so need to check for it, otherwise the null key will be dereferenced later in tipc_crypto_key_xmit as can be seen in the trace [1]. [1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58 |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
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 | |
sid, trixie | 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 | bullseye | 5.10.84-1 | |||
linux | source | (unstable) | 5.15.5-1 |
https://git.kernel.org/linus/3e6db079751afd527bf3db32314ae938dc571916 (5.16-rc2)