High severity · published Mar 16, 2022
CVE-2022-26353
A flaw was found in the virtio-net device of QEMU
7.5
CVSS
2.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
11.0 · source: NVD
QE
Qemu · Qemu
6.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26353
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-26353
Patch
https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37
Mailing List
https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html
Third Party Advisory
https://security.gentoo.org/glsa/202208-27
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220425-0003/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5133
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