CVE-2022-26353: debian debian_linux
Vulnerability summary
CVE-2022-26353 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 2.74% chance of exploitation in the next 30 days, higher than 86.1% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 3Timeline
- 16-03-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability 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
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.74%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.74% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:7.0+dfsg-1
- debian_linuxEOL11.0
Qemu1 product
- qemu6.2.0
Ubuntu1 product
- qemu< 1:2.11+dfsg-1ubuntu7.40 | < 1:4.2-3ubuntu6.23 | < 1:6.2+dfsg-2ubuntu6.2
3 vendors · 4 products
References
10 links- lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.htmlX Refsource MISCREPORTMailing ListPatchVendor Advisory
- gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37X Refsource MISCPatchThird Party Advisory
