CVE-2022-26353
Published: 16 March 2022
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
bionic |
Released
(1:2.11+dfsg-1ubuntu7.40)
|
| focal |
Released
(1:4.2-3ubuntu6.23)
|
|
| impish |
Released
(1:6.0+dfsg-2expubuntu1.3)
|
|
| jammy |
Released
(1:6.2+dfsg-2ubuntu6.2)
|
|
| kinetic |
Released
(1:6.2+dfsg-2ubuntu8)
|
|
| lunar |
Released
(1:6.2+dfsg-2ubuntu8)
|
|
| mantic |
Released
(1:6.2+dfsg-2ubuntu8)
|
|
| trusty |
Needs triage
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=abe300d9d894f7138e1af7c8e9c88c04bfe98b37 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |