| Name | CVE-2015-8709 |
| Description | kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call. NOTE: the vendor states "there is no kernel bug here. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
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 | 6.1.137-1 | fixed | |
| bookworm (security) | 6.1.140-1 | 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 | wheezy | (not affected) | |||
| linux | source | jessie | 3.16.7-ckt20-1+deb8u2 | |||
| linux | source | (unstable) | 4.3.3-3 | |||
| linux-2.6 | source | (unstable) | (not affected) |
[wheezy] - linux <not-affected> (Vulnerable code not present)
- linux-2.6 <not-affected> (Vulnerable code not present)
CVE Request: https://www.openwall.com/lists/oss-security/2015/12/17/12
https://lkml.org/lkml/2015/12/12/259