CVE-2021-4158

Name
CVE-2021-4158
Description
A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://bugzilla.redhat.com/show_bug.cgi?id=2035002
MISC https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e
MISC https://access.redhat.com/security/cve/CVE-2021-4158
MISC https://www.mail-archive.com/qemu-devel@nongnu.org/msg857944.html
MISC https://gitlab.com/qemu-project/qemu/-/issues/770
Patch https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* qemu >= 6.0.0 <= None
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* qemu >= 6.0.0 < 7.0.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
qemu 3.16-community 7.0.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
qemu 3.17-community 7.1.0-r7 Natanael Copa <ncopa@alpinelinux.org> fixed
qemu 3.18-community 8.0.5-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
qemu 3.19-community 8.1.5-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
qemu 3.20-community 9.0.2-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
qemu edge-community 9.1.0-r1 Natanael Copa <ncopa@alpinelinux.org> fixed