| Name | CVE-2016-9915 |
| Description | Memory leak in hw/9pfs/9p-handle.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) by leveraging a missing cleanup operation in the handle backend. |
| 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-1497-1 |
| Debian Bugs | 847496 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | jessie, jessie (lts) | 1:2.1+dfsg-12+deb8u23 | fixed |
| stretch (security) | 1:2.8+dfsg-6+deb9u17 | fixed |
| stretch (lts), stretch | 1:2.8+dfsg-6+deb9u19 | fixed |
| buster | 1:3.1+dfsg-8+deb10u8 | fixed |
| buster (security) | 1:3.1+dfsg-8+deb10u12 | fixed |
| bullseye | 1:5.2+dfsg-11+deb11u3 | fixed |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | fixed |
| bookworm | 1:7.2+dfsg-7+deb12u5 | fixed |
| trixie | 1:8.2.1+ds-2 | fixed |
| sid | 1:8.2.2+ds-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qemu | source | jessie | 1:2.1+dfsg-12+deb8u7 | | DLA-1497-1 | |
| qemu | source | (unstable) | 1:2.8+dfsg-1 | | | 847496 |
| qemu-kvm | source | (unstable) | (unfixed) | | | |
Notes
[wheezy] - qemu <no-dsa> (handle driver not included during compilation)
[wheezy] - qemu-kvm <no-dsa> (handle driver not included during compilation)
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg03278.html
Fixed by: http://git.qemu.org/?p=qemu.git;a=commit;h=971f406b77a6eb84e0ad27dcc416b663765aee30 (v2.8.0-rc2)
handle based fs driver introduced in: http://git.qemu.org/?p=qemu.git;a=commit;h=5f5422258e1f50f871bafcc5bfb2b498f414a310 (v1.0-rc0)
https://www.openwall.com/lists/oss-security/2016/12/06/11
proxy driver not included during compilation in wheezy, see debian-lts ML: https://lists.debian.org/debian-lts/2016/12/msg00136.html