Vulnerability CVE-2017-15274
Published: 2017-10-11   Modified: 2017-10-12

Description:
security/keys/keyctl.c in the Linux kernel before 4.11.5 does not consider the case of a NULL payload in conjunction with a nonzero length value, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted add_key or keyctl system call, a different vulnerability than CVE-2017-12192.

Type:

CWE-476

 (NULL Pointer Dereference)

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=5649645d725c73df4302428ee4e02c869248b4c5
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.5
http://www.securityfocus.com/bid/101292
https://bugzilla.suse.com/show_bug.cgi?id=1045327
https://github.com/torvalds/linux/commit/5649645d725c73df4302428ee4e02c869248b4c5
https://patchwork.kernel.org/patch/9781573/
https://usn.ubuntu.com/3583-1/
https://usn.ubuntu.com/3583-2/
Copyright 2024, cxsecurity.com

 

Back to Top