| Name | CVE-2019-20934 |
| Description | An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c. |
| 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 | fixed |
| stretch (lts), stretch | 4.9.320-3 | fixed |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed |
| bullseye | 5.10.218-1 | fixed |
| bullseye (security) | 5.10.221-1 | fixed |
| bookworm | 6.1.94-1 | fixed |
| bookworm (security) | 6.1.99-1 | fixed |
| trixie | 6.9.10-1 | fixed |
| sid | 6.9.11-1 | 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 | 4.9.189-1 | | | |
| linux | source | buster | 4.19.67-1 | | | |
| linux | source | (unstable) | 5.2.6-1 | | | |
Notes
https://git.kernel.org/linus/16d51a590a8ce3befb1308e0e7ab77f3b661af33
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913