| Name | CVE-2015-8839 |
| Description | Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2241-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.226-1 | fixed |
| bookworm | 6.1.115-1 | fixed |
| bookworm (security) | 6.1.119-1 | fixed |
| trixie | 6.12.5-1 | fixed |
| sid | 6.12.6-1 | 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 | 3.16.84-1 | | DLA-2241-1 | |
| linux | source | (unstable) | 4.5.1-1 | | | |
Notes
[wheezy] - linux <ignored> (Too much work to backport)
https://git.kernel.org/linus/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b (v4.5-rc1)
https://git.kernel.org/linus/17048e8a083fec7ad841d88ef0812707fbc7e39f (v4.5-rc1)
https://git.kernel.org/linus/32ebffd3bbb4162da5ff88f9a35dd32d0a28ea70 (v4.5-rc1)
https://git.kernel.org/linus/011278485ecc3cd2a3954b5d4c73101d919bf1fa (v4.5-rc1)
https://bugzilla.suse.com/show_bug.cgi?id=972174