CVE-2021-3750

NameCVE-2021-3750
Descriptionhcd-ehci: 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+deb9u9vulnerable
stretch (security)1:2.8+dfsg-6+deb9u16vulnerable
buster, buster (security)1:3.1+dfsg-8+deb10u8vulnerable
bullseye1:5.2+dfsg-11vulnerable
bookworm, sid1:6.1+dfsg-5vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)(unfixed)

Notes

[bullseye] - qemu <no-dsa> (Minor issue)
[buster] - qemu <no-dsa> (Minor issue)
[stretch] - qemu <postponed> (Fix along with a future DLA)
https://gitlab.com/qemu-project/qemu/-/issues/541
Fix for whole class of DMA MMIO reentrancy issues: https://gitlab.com/qemu-project/qemu/-/issues/556
Patchset: https://lists.nongnu.org/archive/html/qemu-devel/2021-08/msg03692.html

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