CVE-2021-3929

NameCVE-2021-3929
Descriptionnvme: DMA reentrancy issue leads to use-after-free
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)stretch1:2.8+dfsg-6+deb9u9fixed
stretch (security)1:2.8+dfsg-6+deb9u17fixed
buster, buster (security)1:3.1+dfsg-8+deb10u8vulnerable
bullseye1:5.2+dfsg-11+deb11u1vulnerable
bullseye (security)1:5.2+dfsg-11+deb11u2vulnerable
bookworm, sid1:7.0+dfsg-7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcestretch(not affected)
qemusource(unstable)1:7.0+dfsg-1

Notes

[bullseye] - qemu <no-dsa> (Minor issue; nvme support preliminary supported)
[buster] - qemu <no-dsa> (Minor issue; nvme support preliminary supported)
[stretch] - qemu <not-affected> (Vulnerable code introduced later)
https://bugzilla.redhat.com/show_bug.cgi?id=2020298
https://gitlab.com/qemu-project/qemu/-/issues/556
Proposed patchset: https://lists.nongnu.org/archive/html/qemu-devel/2021-08/msg03692.html
Fixed by: https://gitlab.com/qemu-project/qemu/-/commit/736b01642d85be832385063f278fe7cd4ffb5221 (v7.0.0-rc0)

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