CVE & CISA-KEV Catalog

CVE-2022-26353

HIGHEPSS 84th pctl

7.5

CVSS v3

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.

How to fix

Remediation Available

qemuDebian

Fixed in:1:5.2+dfsg-11+deb11u2CVE-2022-26353

Fixed in:1:7.0+dfsg-1CVE-2022-26353

Fixed in:1:7.0+dfsg-1CVE-2022-26353

Fixed in:1:7.0+dfsg-1CVE-2022-26353

qemuUbuntu

Fixed in:1:2.11+dfsg-1ubuntu7.40USN-5489-1

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-systemUbuntu

Fixed in:1:2.11+dfsg-1ubuntu7.40USN-5489-1

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-system-armUbuntu

Fixed in:1:2.11+dfsg-1ubuntu7.40USN-5489-1

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-system-mipsUbuntu

Fixed in:1:2.11+dfsg-1ubuntu7.40USN-5489-1

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-system-miscUbuntu

Fixed in:1:2.11+dfsg-1ubuntu7.40USN-5489-1

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-system-ppcUbuntu

Fixed in:1:2.11+dfsg-1ubuntu7.40USN-5489-1

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-system-s390xUbuntu

Fixed in:1:2.11+dfsg-1ubuntu7.40USN-5489-1

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-system-sparcUbuntu

Fixed in:1:2.11+dfsg-1ubuntu7.40USN-5489-1

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-system-x86Ubuntu

Fixed in:1:2.11+dfsg-1ubuntu7.40USN-5489-1

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-system-x86-microvmUbuntu

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

qemu-system-x86-xenUbuntu

Fixed in:1:4.2-3ubuntu6.23USN-5489-1

Fixed in:1:6.2+dfsg-2ubuntu6.2USN-5489-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.70%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch2

Third-Party Advisory3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.