CVE-2015-6815

Publication date 8 September 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	15.04 vivid	Fixed 1:2.2+dfsg-5expubuntu9.5
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.19
	12.04 LTS precise	Not in release
qemu-kvm	15.04 vivid	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Fixed 1.0+noroms-0ubuntu14.25

Patch details

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

Package	Patch details
qemu	Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=b947ac2bf26479e710489739c465c8af336599e7

Severity score breakdown

Parameter	Value
Base score	3.5 · Low
Attack vector	Adjacent
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	Low
Vector	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

USN-2745-1
QEMU vulnerabilities
24 September 2015