Name | CVE-2021-47539 |
Description | In the Linux kernel, the following vulnerability has been resolved:
rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle()
Need to call rxrpc_put_peer() for bundle candidate before kfree() as it
holds a ref to rxrpc_peer.
[DH: v2: Changed to abstract out the bundle freeing code into a function] |
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 | 5.10.84-1 | | | |
linux | source | (unstable) | 5.15.15-1 | | | |
Notes
[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/ca77fba821351190777b236ce749d7c4d353102e (5.16-rc4)