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 |
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 |