Bug 1449558 (CVE-2014-9940) - CVE-2014-9940 kernel: Use-after-free in the regulator_ena_gpio_free function
Summary: CVE-2014-9940 kernel: Use-after-free in the regulator_ena_gpio_free function
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2014-9940
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1449559
TreeView+ depends on / blocked
 
Reported: 2017-05-10 09:16 UTC by Andrej Nemec
Modified: 2021-02-17 02:10 UTC (History)
33 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
The regulator_ena_gpio_free function in drivers/regulator/core.c in the Linux kernel allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted application.
Clone Of:
Environment:
Last Closed: 2017-05-16 10:45:27 UTC
Embargoed:

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Description Andrej Nemec 2017-05-10 09:16:56 UTC 
The regulator_ena_gpio_free function in drivers/regulator/core.c in the Linux kernel allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted application.

References:

https://source.android.com/security/bulletin/2017-05-01#eop-in-kernel-voltage-regulator-driver

https://bugzilla.novell.com/show_bug.cgi?id=1037307

Upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=60a2362f769cf549dc466134efe71c8bf9fbaaba
Comment 3 Vladis Dronov 2017-05-16 10:45:27 UTC 
Statement:

This issue does not affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2, as the code with the flaw is not present or is not built and so is not shipped in the products listed.
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