CVE-2017-15274 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

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://access.redhat.com/errata/RHSA-2019:1946 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/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5