PT-2016-7537 · Linux+5 · Linux Kernel+5

Marco Grassi + 1 · Published 2016-11-22 · Updated 2023-02-12 · CVE-2016-8645

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.8.10

Description The issue is related to the mishandling of skb truncation in the TCP stack, which can be exploited by local users to cause a denial of service, resulting in a system crash. This can be achieved through a crafted application that utilizes sendto system calls. The problem is associated with the net/ipv4/tcp ipv4.c and net/ipv6/tcp ipv6.c files.

Recommendations For Linux kernel versions prior to 4.8.10, update to version 4.8.10 or later to resolve the issue.

Fix

DoS

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

ALT-PU-2016-2327

ALT-PU-2017-1330

CESA-2017_1842

CVE-2016-8645

DLA-772-1

MGASA-2016-0415

MGASA-2017-0003

MGASA-2017-0004

OPENSUSE-SU-2017_0456-1

OPENSUSE-SU-2017_0458-1

RHSA-2017:1842

RHSA-2017:2077

RHSA-2017:2669

RHSA-2017_1842

RHSA-2017_2077

SUSE-SU-2017:0181-1

SUSE-SU-2017:0407-1

SUSE-SU-2017:0464-1

SUSE-SU-2017:0471-1

USN-3161-1

USN-3161-2

USN-3161-3

USN-3161-4

USN-3162-1

USN-3162-2

USN-3290-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 365

• https://github.com/torvalds/linux/commit/ac6e780070e30e4c35bd395acfe9191e6268bdd3 · Patch
• https://osv.dev/vulnerability/USN-3161-4 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-8645 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3161-2 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2017:2077 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-8645 · Security Note
• https://ubuntu.com/security/CVE-2016-8658 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3161-2 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0003 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0407-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-8645 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0181-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3162-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2017-3533.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9644 · Vendor Advisory