CVE-2017-16939 - Vulncode-DB

CVE-2017-16939 (NVD)

2017-11-24

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.

Products	Debian_linux, Linux_kernel
Type	Use After Free (CWE-416)
First patch	https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2
Patches	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2
Relevant file/s	./net/xfrm/xfrm_user.c (modified, +15, -10)
Links	• https://blogs.securiteam.com/index.php/archives/3535 • https://access.redhat.com/errata/RHSA-2019:1190 • https://access.redhat.com/errata/RHSA-2018:1318 • https://access.redhat.com/errata/RHSA-2018:1355 • https://access.redhat.com/errata/RHSA-2019:1170 More/Less (7) • https://bugzilla.suse.com/show_bug.cgi?id=1069702 • http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11 • http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html • http://www.securityfocus.com/bid/101954 • https://www.debian.org/security/2018/dsa-4082 • http://seclists.org/fulldisclosure/2017/Nov/40 • https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html

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