Bug 1439768 (CVE-2016-10318) - CVE-2016-10318 kernel: User can assign an encryption policy to a directory owned by a different user
Summary: CVE-2016-10318 kernel: User can assign an encryption policy to a directory ow...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2016-10318
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: 1439769
TreeView+ depends on / blocked
 
Reported: 2017-04-06 13:39 UTC by Andrej Nemec
Modified: 2021-02-17 02:22 UTC (History)
30 users (show)

Fixed In Version:
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Doc Text:
A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel allows a user to assign an encryption policy to a directory owned by a different user, potentially creating a denial of service.
Clone Of:
Environment:
Last Closed: 2019-06-08 03:10:02 UTC
Embargoed:

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Description Andrej Nemec 2017-04-06 13:39:59 UTC 
A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel allows a user to assign an encryption policy to a directory owned by a different user, potentially creating a denial of service.

Upstream patch:

https://github.com/torvalds/linux/commit/163ae1c6ad6299b19e22b4a35d5ab24a89791a98
Comment 2 Wade Mealing 2017-05-29 04:54:02 UTC 
Statement:

This issue does not affect Red Hat Enterprise Linux 5, 6 and 7, MRG and realtime kernels.
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