Bug 1580979 (CVE-2017-18270) - CVE-2017-18270 kernel: improper keyrings creation
Summary: CVE-2017-18270 kernel: improper keyrings creation
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-18270
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: impact=low,public=20170918,reported=2...
Depends On: 1582352 1582353
Blocks: 1580980
TreeView+ depends on / blocked
 
Reported: 2018-05-21 21:48 UTC by Laura Pardo
Modified: 2019-06-11 11:13 UTC (History)
47 users (show)

Fixed In Version: kernel 4.13.5
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Linux kernel in the way a local user could create keyrings for other users via keyctl commands. This may allow an attacker to set unwanted defaults, a denial of service, or possibly leak keyring information between users.
Clone Of:
Environment:
Last Closed: 2019-06-10 10:26:05 UTC


Attachments (Terms of Use)

Description Laura Pardo 2018-05-21 21:48:31 UTC
A flaw was found in the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands. This may allow to set unwanted defaults or cause a denial of service.


References:
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5

Upstream patch:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbd29f7a049d310d907f4b2716a7feef9abf3 	
https://github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abf3


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