| Name | CVE-2020-25084 |
| Description | QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2560-1 |
| NVD severity | low |
| Debian Bugs | 970539 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | stretch | 1:2.8+dfsg-6+deb9u9 | vulnerable |
| stretch (security) | 1:2.8+dfsg-6+deb9u14 | fixed |
| buster, buster (security) | 1:3.1+dfsg-8+deb10u8 | vulnerable |
| bullseye, sid | 1:5.2+dfsg-9 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qemu | source | stretch | 1:2.8+dfsg-6+deb9u13 | | DLA-2560-1 | |
| qemu | source | (unstable) | 1:5.2+dfsg-1 | | | 970539 |
Notes
[buster] - qemu <postponed> (Can be fixed along in next qemu DSA)
https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg08050.html
https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg08043.html
https://www.openwall.com/lists/oss-security/2020/09/16/5
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fxhci_uaf_2
https://git.qemu.org/?p=qemu.git;a=commit;h=21bc31524e8ca487e976f713b878d7338ee00df2