| Name | CVE-2015-7312 |
| Description | Multiple race conditions in the Advanced Union Filesystem (aufs) aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service (use-after-free and BUG) or possibly gain privileges via a (1) madvise or (2) msync system call, related to mm/madvise.c and mm/msync.c. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 796036 |
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 | 6.11.9-1 | fixed |
| sid | 6.11.10-1 | 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-ckt11-1+deb8u4 | | | |
| linux | source | (unstable) | 4.2.1-1 | | | 796036 |
| linux-2.6 | source | (unstable) | (not affected) | | | |
Notes
[wheezy] - linux <not-affected> (Vulnerable code not present)
- linux-2.6 <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2015/09/10/3
http://sourceforge.net/p/aufs/mailman/message/34449209/
For Linux kernel with aufs aufs3-mmap.patch or aufs4-mmap.patch mmap patch