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CVE-2018-18849

Publication date 2 November 2018

Last updated 24 July 2024

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

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

Show unmaintained releases

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	Other: https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg06682.html Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=e58ccf039650065a9442de43c9816f81e88f27f6

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