medium6.0
CVE-2021-4158
A NULL pointer dereference issue was found in the ACPI code of QEMU.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Qemu | Qemu | from 6.0.0 before 7.0.0 |
| Redhat | Enterprise Linux | Version 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/security/cve/CVE-2021-4158
- https://bugzilla.redhat.com/show_bug.cgi?id=2035002
- https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e
- https://gitlab.com/qemu-project/qemu/-/issues/770
- https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html
- https://access.redhat.com/security/cve/CVE-2021-4158
- https://bugzilla.redhat.com/show_bug.cgi?id=2035002
- https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e
- https://gitlab.com/qemu-project/qemu/-/issues/770
- https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html