Memory Leakage Vulnerability in QEMU Virtio-net Device
CVE-2022-26353

7.5HIGH

Key Information:

Vendor

Qemu
Status
Qemu-kvm
Vendor
CVE Published:
16 March 2022

What is CVE-2022-26353?

A flaw in the virtio-net device of QEMU was discovered, stemming from an earlier fix that failed to properly unmap cached virtqueue elements during error conditions. This oversight can lead to memory leakage, potentially affecting system stability and performance. The vulnerability impacts QEMU version 6.2.0, highlighting the need for updates to remediate this issue.

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Affected Version(s)

qemu-kvm Affected QEMU version: 6.2.0

References

https://lists.nongnu.org/archive/html/qemu-devel/2022-03/...
x_refsource_MISC
https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d89...
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20220425-0003/
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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