CVE-2022-26353
Aliases:DEBIAN-CVE-2022-26353
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 16 Mar 2022, 14:02
Last modified:03 Aug 2024, 05:03
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
2.74% LOW
3% probability +2.42%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
16 Mar 2022, 14:02
Published
Vulnerability first disclosed
03 Aug 2024, 05:03
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 2.74%• Percentile: 85%
Techniques & Countermeasures
- CWE-772•Missing Release of Resource after Effective Lifetime
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.
Affected Systems
- debian•qemu
< 1:5.2+dfsg-11+deb11u2 | < 1:7.0+dfsg-1 | < 1:7.0+dfsg-1 | < 1:7.0+dfsg-1
- debian•debian_linux
11.0
- qemu•qemu
6.2.0
References (6)
- https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html
- https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37
- https://security.netapp.com/advisory/ntap-20220425-0003/
- https://www.debian.org/security/2022/dsa-5133
- https://security.gentoo.org/glsa/202208-27
- https://security-tracker.debian.org/tracker/CVE-2022-26353