CVE-2023-3019
Published: 24 July 2023
A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.
Notes
Author | Note |
---|---|
Priority reason: Only allows a privileged user to crash their own instance |
Priority
Status
Package | Release | Status |
---|---|---|
qemu
Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needed
|
|
jammy |
Needed
|
|
kinetic |
Ignored
(end of life, was deferred [2023-10-12])
|
|
lunar |
Ignored
(end of life, was needed)
|
|
mantic |
Ignored
(end of life, was needed)
|
|
noble |
Not vulnerable
(1:8.2.1+ds-1ubuntu1)
|
|
trusty |
Needs triage
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
Patches:
other: https://lists.nongnu.org/archive/html/qemu-devel/2023-05/msg08310.html upstream: https://gitlab.com/qemu-project/qemu/-/commit/7d0fefdf81f5973334c344f6b8e1896c309dff66 upstream: https://gitlab.com/qemu-project/qemu/-/commit/9050f976e447444ea6ee2ba12c9f77e4b0dc54bc |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Changed |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |