CVE-2018-18849

Publication date 2 November 2018

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.

Status

Package Ubuntu Release Status
qemu 21.04 hirsute
Fixed 1:2.12+dfsg-3ubuntu9
20.10 groovy
Fixed 1:2.12+dfsg-3ubuntu9
20.04 LTS focal
Fixed 1:2.12+dfsg-3ubuntu9
19.10 eoan
Fixed 1:2.12+dfsg-3ubuntu9
19.04 disco
Fixed 1:2.12+dfsg-3ubuntu9
18.10 cosmic
Fixed 1:2.12+dfsg-3ubuntu8.1
18.04 LTS bionic
Fixed 1:2.11+dfsg-1ubuntu7.8
16.04 LTS xenial
Fixed 1:2.5+dfsg-5ubuntu10.33
14.04 LTS trusty
Fixed 2.0.0+dfsg-2ubuntu1.44
qemu-kvm 21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

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 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3826-1
    • QEMU vulnerabilities
    • 26 November 2018

Other references