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Bug 611388 (CVE-2017-2635) - <app-emulation/libvirt-3.1.0: Null pointer dereference when updating storage size on empty drives (CVE-2017-2635)
Summary: <app-emulation/libvirt-3.1.0: Null pointer dereference when updating storage ...
Alias: CVE-2017-2635
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal trivial (vote)
Assignee: Gentoo Security
Whiteboard: ~3 [noglsa cve]
Depends on:
Reported: 2017-03-02 09:06 UTC by Agostino Sarubbo
Modified: 2017-03-06 12:18 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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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:;a=commit;h=c3de387380f6057ee0e46cd9f2f0a092e8070875

Introduced by:;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 <>
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.