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Debian Security Bug TrackerDEBIANCVE:CVE-2021-4158HistoryAug 24, 2022 - 4:15 p.m.
CVE-2021-4158
2022-08-2416:15:09
Debian Security Bug Tracker
security-tracker.debian.org
13
6 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
32.7%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | qemu | < 1:6.2+dfsg-2 | qemu_1:6.2+dfsg-2_all.deb |
| Debian | 11 | all | qemu | < 1:5.2+dfsg-11+deb11u3 | qemu_1:5.2+dfsg-11+deb11u3_all.deb |
| Debian | 999 | all | qemu | < 1:6.2+dfsg-2 | qemu_1:6.2+dfsg-2_all.deb |
| Debian | 13 | all | qemu | < 1:6.2+dfsg-2 | qemu_1:6.2+dfsg-2_all.deb |
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6 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
32.7%
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