| Name | CVE-2020-11947 |
| Description | iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker. |
| 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-2288-1, DSA-4665-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | buster | 1:3.1+dfsg-8+deb10u8 | fixed |
| buster (security) | 1:3.1+dfsg-8+deb10u11 | fixed |
| bullseye | 1:5.2+dfsg-11+deb11u3 | fixed |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | fixed |
| bookworm | 1:7.2+dfsg-7+deb12u2 | fixed |
| trixie | 1:8.1.2+ds-1 | fixed |
| sid | 1:8.1.3+ds-1 | 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+deb9u10 | | DLA-2288-1 | |
| qemu | source | buster | 1:3.1+dfsg-8+deb10u5 | | DSA-4665-1 | |
| qemu | source | (unstable) | 1:4.2-7 | | | |
Notes
https://git.qemu.org/?p=qemu.git;a=commit;h=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5 (v5.0.0-rc4)