| Name | CVE-2016-2858 |
| Description | QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption. |
| 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-1599-1 |
| Debian Bugs | 817183 |
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 (security), buster, buster (lts) | 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+deb12u7 | fixed |
| sid, trixie | 1:9.2.0+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 | squeeze | (not affected) | | | |
| qemu | source | wheezy | (not affected) | | | |
| qemu | source | jessie | 1:2.1+dfsg-12+deb8u8 | | DLA-1599-1 | |
| qemu | source | (unstable) | 1:2.6+dfsg-1 | | | 817183 |
| qemu-kvm | source | (unstable) | (not affected) | | | |
Notes
[wheezy] - qemu <not-affected> (Vulnerable code not present)
[squeeze] - qemu <not-affected> (Vulnerable code not present)
- qemu-kvm <not-affected> (Vulnerable code not present)
Upstream patch: http://git.qemu.org/?p=qemu.git;a=commit;h=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956 (v2.6.0-rc0)
Introduced in: http://git.qemu.org/?p=qemu.git;a=commit;h=a9b7b2ad7b075dba5495271706670e5c6b1304bc (v1.3.0-rc0)
https://bugzilla.redhat.com/show_bug.cgi?id=1314676
https://www.openwall.com/lists/oss-security/2016/03/04/1