VulnerabilityModified
CVE-2022-26353
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.
HIGH 7.5EPSS 2.74%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.74% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-772
- Affected
- qemu/qemu · debian/debian linux
- Source
- secalert@redhat.com
References
- https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37Patch, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.htmlMailing List, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220425-0003/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5133Third Party Advisory
- https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37Patch, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.htmlMailing List, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220425-0003/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5133Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.