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Bug 1403817 - (CVE-2015-8966) CVE-2015-8966 kernel: Local privileges escalation via crafted F_OFD_GETLK/F_OFD_SETLK/F_OFD_SETLKW commands
CVE-2015-8966 kernel: Local privileges escalation via crafted F_OFD_GETLK/F_O...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20151229,reported=2...
: Security
Depends On:
Blocks: 1403821
  Show dependency treegraph
 
Reported: 2016-12-12 07:29 EST by Adam Mariš
Modified: 2017-01-18 13:45 EST (History)
35 users (show)

See Also:
Fixed In Version: kernel 4.4
Doc Type: Bug Fix
Doc Text:
arch/arm/kernel/sys_oabi-compat.c in the Linux kernel before 4.4 allows local users to gain privileges via a crafted (1) F_OFD_GETLK, (2) F_OFD_SETLK, or (3) F_OFD_SETLKW command in an fcntl64 system call.
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Clone Of:
Environment:
Last Closed: 2017-01-18 07:29:57 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Adam Mariš 2016-12-12 07:29:18 EST
arch/arm/kernel/sys_oabi-compat.c in the Linux kernel before 4.4 allows local users to gain privileges via a crafted (1) F_OFD_GETLK, (2) F_OFD_SETLK, or (3) F_OFD_SETLKW command in an fcntl64 system call.

Initial message:

https://source.android.com/security/bulletin/2016-12-01.html#eop-in-kernel

Upstream patch:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=76cc404bfdc0d419c720de4daaf2584542734f42
Comment 3 Vladis Dronov 2017-01-18 07:29:57 EST
Statement:

This issue does not affect 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 built in the products listed.

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