What’s Vulnerable › Vulnerabilities

CVE-2022-26353

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-16 · updated 2026-06-17
• Weakness: CWE-772

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.

Affected products

• Debian Linux: 11.0
• QEMU: 6.2.0

References

• https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37
• https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html
• https://security.gentoo.org/glsa/202208-27
• https://security.netapp.com/advisory/ntap-20220425-0003/
• https://www.debian.org/security/2022/dsa-5133
• https://gitlab.com/qemu-project/qemu/-/commit/abe300d9d894f7138e1af7c8e9c88c04bfe98b37
• https://lists.nongnu.org/archive/html/qemu-devel/2022-03/msg02438.html
• https://security.gentoo.org/glsa/202208-27
• https://security.netapp.com/advisory/ntap-20220425-0003/
• https://www.debian.org/security/2022/dsa-5133

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