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CVE-2022-26353

Date: March 16, 2022

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.

Language: C

Severity Score

Related Resources (14)

https://bugzilla.redhat.com/show_bug.cgi?id=2063197
https://security.gentoo.org/glsa/202208-27
https://security-tracker.debian.org/tracker/CVE-2022-26353
https://nvd.nist.gov/vuln/detail/CVE-2022-26353
https://access.redhat.com/security/cve/CVE-2022-26353
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-26353
https://access.redhat.com/errata/RHSA-2022:5263
https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37
https://access.redhat.com/errata/RHSA-2022:5002
https://security.netapp.com/advisory/ntap-20220425-0003/
https://access.redhat.com/errata/RHSA-2022:5821
https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html
https://www.debian.org/security/2022/dsa-5133
https://www.mend.io/vulnerability-database/CVE-2022-26353

Severity Score

Weakness Type (CWE)

Missing Release of Resource after Effective Lifetime

CWE-772

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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