| Name | CVE-2015-7549 |
| Description | The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method. |
| 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-3471-1 |
| Debian Bugs | 808131 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | 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 |
| trixie | 1:9.1.1+ds-2 | fixed |
| sid | 1:9.1.1+ds-4 | 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+deb8u5a | | DSA-3471-1 | |
| qemu | source | (unstable) | 1:2.5+dfsg-1 | | | 808131 |
| qemu-kvm | source | squeeze | (not affected) | | | |
| qemu-kvm | source | wheezy | (not affected) | | | |
| qemu-kvm | source | (unstable) | (unfixed) | | | |
Notes
[wheezy] - qemu <not-affected> (Vulnerable code not present)
[squeeze] - qemu <not-affected> (Vulnerable code not present)
[wheezy] - qemu-kvm <not-affected> (Vulnerable code not present)
[squeeze] - qemu-kvm <not-affected> (Vulnerable code not present)
Upstream commit: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=43b11a91dd861a946b231b89b7542856ade23d1b (v2.5.0-rc0)
Introduced by: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=d35e428c8400f9ddc07e5a15ff19622c869b9ba0 (v1.2.0-rc0)