CVE-2022-26353 — Missing Release of Resource after Effective Lifetime in Qemu

CWE-772 — Missing Release of Resource after Effective Lifetime8 documents7 sources
Severity
7.5HIGHNVD
OSV6.1
EPSS
0.2%
top 52.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
QemuDebian QemuDebian Linux+5 more
Timeline
PublishedMar 16
Latest updateJun 21

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages9 packages

▶debiandebian/qemu< qemu 1:7.0+dfsg-1 (bookworm)
▶Debianqemu/qemu< 1:5.2+dfsg-11+deb11u2+3
▶Ubuntuqemu/qemu< 1:2.11+dfsg-1ubuntu7.40+2
▶NVDqemu/qemu6.2.0

Also affects: Debian Linux 11.0

Patches

Patch: gitlab.com ↗Patch: lists.nongnu.org ↗Patch: gitlab.com ↗

🔴Vulnerability Details

3
OSV
qemu vulnerabilities↗2022-06-21
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GHSA
GHSA-xrwp-4qvv-59wr: A flaw was found in the virtio-net device of QEMU↗2022-03-17
▶
OSV
CVE-2022-26353: A flaw was found in the virtio-net device of QEMU↗2022-03-16
▶

📋Vendor Advisories

4
Ubuntu
QEMU vulnerabilities↗2022-06-21
▶
Microsoft
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 ↗2022-03-08
▶
Red Hat
QEMU: virtio-net: map leaking on error during receive↗2022-03-08
▶
Debian
CVE-2022-26353: qemu - A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently i...↗2022
▶