Vulnerability CVE-2015-1333


Published: 2015-08-31

Description:
Memory leak in the __key_link_end function in security/keys/keyring.c in the Linux kernel before 4.1.4 allows local users to cause a denial of service (memory consumption) via many add_key system calls that refer to existing keys.

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Linux -> Linux kernel 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca4da5dd1f99fe9c59f1709fb43e818b18ad20e0
http://rhn.redhat.com/errata/RHSA-2015-1778.html
http://rhn.redhat.com/errata/RHSA-2015-1787.html
http://www.debian.org/security/2015/dsa-3329
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.4
http://www.openwall.com/lists/oss-security/2015/07/27/7
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/76050
http://www.ubuntu.com/usn/USN-2687-1
http://www.ubuntu.com/usn/USN-2688-1
http://www.ubuntu.com/usn/USN-2689-1
http://www.ubuntu.com/usn/USN-2690-1
http://www.ubuntu.com/usn/USN-2691-1
https://bugzilla.redhat.com/show_bug.cgi?id=1245658
https://github.com/torvalds/linux/commit/ca4da5dd1f99fe9c59f1709fb43e818b18ad20e0
https://support.f5.com/csp/article/K05211147

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