| Name | CVE-2016-2143 |
| Description | The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page-table levels, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted application, related to arch/s390/include/asm/mmu_context.h and arch/s390/include/asm/pgalloc.h. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-516-1, DSA-3607-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.237-1 | fixed | |
| bookworm | 6.1.148-1 | fixed | |
| bookworm (security) | 6.1.147-1 | fixed | |
| trixie | 6.12.43-1 | fixed | |
| trixie (security) | 6.12.41-1 | fixed | |
| forky, sid | 6.16.7-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | wheezy | 3.2.81-1 | DLA-516-1 | ||
| linux | source | jessie | 3.16.7-ckt25-2+deb8u2 | DSA-3607-1 | ||
| linux | source | (unstable) | 4.4.6-1 |
[wheezy] - linux <no-dsa> (Architecture not supported in Wheezy LTS)
Fixed by: https://git.kernel.org/linus/3446c13b268af86391d06611327006b059b8bab1 (v4.5)
Introduced in: https://git.kernel.org/linus/6252d702c5311ce916caf75ed82e5c8245171c92 (v2.6.25-rc1)