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CVE-2023-3019

Publication date 24 July 2023

Last updated 11 November 2024


Ubuntu priority

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

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.

Why is this CVE low priority?

Only allows a privileged user to crash their own instance

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
qemu 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic Ignored end of life, was needed
23.04 lunar Ignored end of life, was needed
22.10 kinetic Ignored end of life, was deferred [2023-10-12]
22.04 LTS jammy
Fixed 1:6.2+dfsg-2ubuntu6.24
20.04 LTS focal
Fixed 1:4.2-3ubuntu6.30
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
qemu

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
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

References

Related Ubuntu Security Notices (USN)

Other references