CVE-2017-16939

 

Published at: - 24-11-2017 11:29

Last modified: - 19-01-2023 04:46

Total changes: - 4

Description

The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2
• https://bugzilla.suse.com/show_bug.cgi?id=1069702
• https://blogs.securiteam.com/index.php/archives/3535
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
• http://seclists.org/fulldisclosure/2017/Nov/40
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2
• 101954-Third Party Advisory, VDB Entry
• SUSE-SU-2018:0011-Mailing List, Third Party Advisory
• DSA-4082-Third Party Advisory
• [debian-lts-announce] 20171210 [SECURITY] [DLA 1200-1] linux security update-Third Party Advisory
• RHSA-2018:1355-Third Party Advisory
• RHSA-2018:1318-Third Party Advisory
• RHSA-2019:1170-Third Party Advisory
• RHSA-2019:1190-Third Party Advisory

 

Keywords

NVD

 

CVE-2017-16939

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures