Name | CVE-2020-25085 |
Description | QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZE case. |
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-2469-1, DLA-3099-1 |
Debian Bugs | 970540 |
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 |
| sid, trixie | 1:9.1.0+ds-8 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.html
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg01439.html
https://www.openwall.com/lists/oss-security/2020/09/16/6
https://bugs.launchpad.net/qemu/+bug/1892960
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fsdhci_oob_write1
The second patch referenced appears not to be needed with the commited
fix and relates to the CVE-2020-17380 assignment.
Fixed by: https://git.qemu.org/?p=qemu.git;a=commit;h=dfba99f17feb6d4a129da19d38df1bcd8579d1c3 (v5.2.0-rc0)