CVE-2020-11947

NameCVE-2020-11947
Descriptioniscsi_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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2288-1, DSA-4665-1, ELA-364-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie, jessie (lts)1:2.1+dfsg-12+deb8u23fixed
stretch (security)1:2.8+dfsg-6+deb9u17fixed
stretch (lts), stretch1:2.8+dfsg-6+deb9u19fixed
buster (security), buster, buster (lts)1:3.1+dfsg-8+deb10u12fixed
bullseye1:5.2+dfsg-11+deb11u3fixed
bullseye (security)1:5.2+dfsg-11+deb11u2fixed
bookworm1:7.2+dfsg-7+deb12u6fixed
trixie1:8.2.4+ds-1fixed
sid1:9.0.2+ds-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcejessie1:2.1+dfsg-12+deb8u19ELA-364-1
qemusourcestretch1:2.8+dfsg-6+deb9u10DLA-2288-1
qemusourcebuster1:3.1+dfsg-8+deb10u5DSA-4665-1
qemusource(unstable)1:4.2-7

Notes

https://git.qemu.org/?p=qemu.git;a=commit;h=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5 (v5.0.0-rc4)

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