| Name | CVE-2020-12771 |
| Description | An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DLA-2323-1, DLA-2420-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | buster | 4.19.249-2 | fixed |
| buster (security) | 4.19.269-1 | fixed | |
| bullseye | 5.10.158-2 | fixed | |
| bullseye (security) | 5.10.162-1 | fixed | |
| bookworm | 6.1.15-1 | fixed | |
| sid | 6.1.20-1 | 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 | 4.9.240-1 | DLA-2420-1 | ||
| linux | source | buster | 4.19.131-1 | |||
| linux | source | (unstable) | 5.7.6-1 | |||
| linux-4.19 | source | stretch | 4.19.132-1~deb9u2 | DLA-2323-1 |
https://lkml.org/lkml/2020/4/26/87
https://git.kernel.org/linus/be23e837333a914df3f24bf0b32e87b0331ab8d1 (5.8-rc2)