| Name | CVE-2020-25741 |
| Description | fdctrl_write_data in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive. |
| 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) |
| Debian Bugs | 970939 |
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+deb9u17 | vulnerable |
| buster, buster (security) | 1:3.1+dfsg-8+deb10u8 | vulnerable |
| bullseye | 1:5.2+dfsg-11+deb11u1 | vulnerable |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | vulnerable |
| bookworm, sid | 1:7.0+dfsg-7 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qemu | source | (unstable) | (unfixed) | | | 970939 |
Notes
[bullseye] - qemu <postponed> (Minor issue, revisit when fixed upstream)
[buster] - qemu <postponed> (Fix along in next qemu DSA)
[stretch] - qemu <postponed> (Fix along in future DLA)
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg07779.html
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Ffdc_nullptr1
No upstream patch as of 2022-04-21