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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2022-26353
HistoryMar 16, 2022 - 3:15 p.m.

CVE-2022-26353

2022-03-1615:15:16
Debian Security Bug Tracker
security-tracker.debian.org
42
cve-2022-26353
qemu
virtio-net
memory leakage
error
vulnerability

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.006

Percentile

79.4%

A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0.

OSVersionArchitecturePackageVersionFilename
Debian12allqemu< 1:7.0+dfsg-1qemu_1:7.0+dfsg-1_all.deb
Debian11allqemu< 1:5.2+dfsg-11+deb11u2qemu_1:5.2+dfsg-11+deb11u2_all.deb
Debian999allqemu< 1:7.0+dfsg-1qemu_1:7.0+dfsg-1_all.deb
Debian13allqemu< 1:7.0+dfsg-1qemu_1:7.0+dfsg-1_all.deb

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.006

Percentile

79.4%