PT-2017-2774 · Linux · Linux Kernel

Dmitry Vyukov + 1 · Published 2017-07-09 · Updated 2017-08-30 · CVE-2017-13686

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions 4.13-rc1 through 4.13-rc6

Description The issue is related to a NULL pointer dereference in the Linux kernel, specifically in the net/ipv4/route.c file. This allows local users to cause a denial of service or possibly have other unspecified impacts via crafted system calls. The problem is associated with errors in pointer handling.

Recommendations For Linux kernel versions 4.13-rc1 through 4.13-rc6, consider applying a patch that fixes the NULL pointer dereference issue in the net/ipv4/route.c file to prevent local users from causing a denial of service or other potential impacts. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2017-02032

CVE-2017-13686

Affected Products

Linux Kernel

References · 8

• https://github.com/torvalds/linux/commit/bc3aae2bbac46dd894c89db5d5e98f7f0ef9e205 · Patch
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bc3aae2bbac46dd894c89db5d5e98f7f0ef9e205 · Vendor Advisory
• https://bdu.fstec.ru/vul/2017-02032 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-13686 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-13686 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-13686 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-13686 · Security Note
• https://osv.dev/vulnerability/CVE-2017-13686 · Vendor Advisory