| Name | CVE-2016-2547 |
| Description | sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call. |
| 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-3503-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | buster | 4.19.249-2 | fixed |
| buster (security) | 4.19.289-2 | fixed | |
| bullseye | 5.10.178-3 | fixed | |
| bullseye (security) | 5.10.191-1 | fixed | |
| bookworm | 6.1.38-1 | fixed | |
| bookworm (security) | 6.1.52-1 | fixed | |
| sid, trixie | 6.5.3-1 | 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 | 3.2.73-2+deb7u3 | DSA-3503-1 | ||
| linux | source | jessie | 3.16.7-ckt20-1+deb8u4 | DSA-3503-1 | ||
| linux | source | (unstable) | 4.4.2-1 | |||
| linux-2.6 | source | (unstable) | (unfixed) |
Upstream fix: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d (v4.5-rc1)