Vulnerability Monitor

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CVE-2021-4158

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.

Published

2022-08-24T16:15:09.660

Last Modified

2024-11-21T06:37:01.980

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.0 (MEDIUM)

Weaknesses

Type: Primary
CWE-476
Type: Secondary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	< 7.0.0	Yes
Operating System	redhat	enterprise_linux	9.0	Yes

References

https://access.redhat.com/security/cve/CVE-2021-4158 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2035002 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e Patch, Third Party Advisory ([email protected])
https://gitlab.com/qemu-project/qemu/-/issues/770 Exploit, Third Party Advisory ([email protected])
https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html Patch, Third Party Advisory ([email protected])
https://access.redhat.com/security/cve/CVE-2021-4158 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=2035002 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://gitlab.com/qemu-project/qemu/-/issues/770 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)