Vulnerability in Qemu
CVE-2022-26353
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.
EPSS: 0.027 (84.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Qemu — versions 6.2.0
- Debian Debian_linux — versions 11.0
- N/a Qemu-kvm — versions Affected QEMU version: 6.2.0
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2022-26353?
- CVE-2022-26353 is a high-severity vulnerability in Qemu, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2022-03-16.
- How severe is CVE-2022-26353?
- High severity. CVSS v3 base score is 7.5 out of 10.