Bug 1757356 (CVE-2016-10905) - CVE-2016-10905 kernel: use-after-free in fs/gfs2/rgrp.c
Summary: CVE-2016-10905 kernel: use-after-free in fs/gfs2/rgrp.c
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2016-10905
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1757357
TreeView+ depends on / blocked
 
Reported: 2019-10-01 10:26 UTC by msiddiqu
Modified: 2021-02-16 21:20 UTC (History)
49 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in the resource group management of the GFS2 filesystem. A local attacker can use this flaw to cause a use-after-free error, which can be used to crash the system, corrupt memory, or escalate privileges.
Clone Of:
Environment:
Last Closed: 2020-02-17 08:09:36 UTC
Embargoed:

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Description msiddiqu 2019-10-01 10:26:01 UTC 
A flaw was found in the GFS2 filesystems resource group lock management.  A local attacker who is able to trigger actions on the gfs2 filesystem can possibly cause a use-after-free in which could possibly be abused by an attacker to crash the system, corrupt memory or escalate privileges on the system.

Upstream patch: 

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=36e4ad0316c017d5b271378ed9a1c9a4b77fab5f
Comment 6 Wade Mealing 2020-02-17 03:53:36 UTC 
Mitigation:

At this time there is no known mitigation for this flaw, but systems with updated kernels are not affected.
Comment 7 Product Security DevOps Team 2020-02-17 08:09:36 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2016-10905
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