CVE-2017-2618

medium

Description

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.

References

Advisories
More

https://www.debian.org/security/2017/dsa-3791

https://marc.info/?l=selinux&m=148588165923772&w=2

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618

https://access.redhat.com/errata/RHSA-2017:0933

https://access.redhat.com/errata/RHSA-2017:0932

https://access.redhat.com/errata/RHSA-2017:0931

http://www.securityfocus.com/bid/96272

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125

Details

Source: Mitre, NVD

Published: 2018-07-27

Updated: 2023-02-12

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

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