PT-2017-13775 · Linux+2 · Linux Kernel+2

Published 2017-10-01 · Updated 2018-07-09 · CVE-2017-14954

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions through 4.13.4

Description The issue allows local users to obtain sensitive information and bypass the KASLR protection mechanism via a crafted system call, due to unintended access to rusage data structures in the waitid implementation.

Recommendations For Linux kernel versions through 4.13.4, update to a version that contains a fix for this issue to prevent local users from obtaining sensitive information and bypassing the KASLR protection mechanism.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2017-2378

ALT-PU-2018-1991

CVE-2017-14954

USN-3487-1

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 11

• https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9 · Patch
• https://ubuntu.com/security/notices/USN-3487-1 · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c85501f2fabcfc4fc6ed976543d252c4eaf4be9 · Patch
• https://ubuntu.com/security/CVE-2017-14954 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-14954 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-14954 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-14954 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-14954 · Security Note
• https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c · Note
• https://twitter.com/grsecurity/status/914079864478666753 · Note
• https://twitter.com/_argp/status/914021130712870912 · Note