| Name | CVE-2020-11884 |
| Description | In the Linux kernel 4.19 through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as demonstrated by code in enable_sacf_uaccess in arch/s390/lib/uaccess.c that fails to protect against a concurrent page table upgrade, aka CID-3f777e19d171. A crash could also occur. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4667-1 |
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 | 6.1.137-1 | fixed | |
| bookworm (security) | 6.1.135-1 | fixed | |
| trixie | 6.12.27-1 | fixed | |
| sid | 6.12.29-1 | 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 | (not affected) | |||
| linux | source | stretch | (not affected) | |||
| linux | source | buster | 4.19.98-1+deb10u1 | DSA-4667-1 | ||
| linux | source | (unstable) | 5.6.7-1 |
[stretch] - linux <not-affected> (Vulnerable code introduced later)
[jessie] - linux <not-affected> (Vulnerable code introduced later)
https://git.kernel.org/linus/316ec154810960052d4586b634156c54d0778f74