Bug 611388 (CVE-2017-2635)

Summary:	<app-emulation/libvirt-3.1.0: Null pointer dereference when updating storage size on empty drives (CVE-2017-2635)
Product:	Gentoo Security	Reporter:	Agostino Sarubbo <ago>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	trivial	CC:	tamiko, virtualization
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	https://bugzilla.redhat.com/show_bug.cgi?id=1427090
Whiteboard:	~3 [noglsa cve]
Package list:		Runtime testing required:	---

Description Agostino Sarubbo gentoo-dev

2017-03-02 09:06:42 UTC

From ${URL} :

A NULL pointer dereference vulnerability was foound in virStorageSourceUpdateBlockPhysicalSize when attempted to call on empty drives. Unprivileged local user can trigger this bug to crash libvirtd.

Upstream patch:

https://libvirt.org/git/?p=libvirt.git;a=commit;h=c3de387380f6057ee0e46cd9f2f0a092e8070875

Introduced by:

https://libvirt.org/git/?p=libvirt.git;a=commit;h=c5f6151390


@maintainer(s): after the bump, in case we need to stabilize the package, please let us know if it is ready for the stabilization or not.

Comment 1 Matthias Maier gentoo-dev

2017-03-04 21:28:57 UTC

Removed affected version 3.0.0 from the tree.

No stable version affected. No stabilization required.

Security, please close.


commit 2a650a7ed41a498c65defaab3cfabe12f3eb1e73
Author: Matthias Maier <tamiko@gentoo.org>
Date:   Sat Mar 4 15:05:41 2017 -0600

    app-emulation/libvirt: drop vulnerable 3.0.0, bug #611388
    
    Package-Manager: Portage-2.3.3, Repoman-2.3.2

Comment 2 Thomas Deutschmann (RETIRED) gentoo-dev

2017-03-06 12:15:03 UTC

Only affected ~ARCH ebuilds. Fixed in >=app-emulation/libvirt-3.1.0. Repository is clean.