PT-2018-2963 · Linux+2 · Linux Kernel+2

Luo Quan · Published 2018-09-06 · Updated 2026-05-26 · CVE-2018-17977

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel version 4.14.67

Description The issue is related to incorrect handling of certain interactions between XFRM Netlink messages, IPPROTO AH packets, and IPPROTO IP packets. This can be exploited to cause a denial of service, resulting in memory consumption and system hang. The exploitation requires root access to execute crafted applications.

Recommendations For Linux kernel version 4.14.67, consider applying a patch or updating to a newer version that addresses this issue, as no specific workaround is provided for this version. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

ALT-PU-2018-2282

BDU:2019-02786

CVE-2018-17977

ECHO-3646-91BE-32B5

Affected Products

Alt Linux

Debian

Linux Kernel

References · 16

• https://osv.dev/vulnerability/CVE-2018-17977 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-17977 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2018-17977 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-17977 · Security Note
• https://bdu.fstec.ru/vul/2019-02786 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2018-17977 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2018-17977 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-17977 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-17977 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-17977 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2018-17977 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-17977 · Vendor Advisory
• https://cxsecurity.com/cveshow/CVE-2018-17977 · Note
• http://securityfocus.com/bid/105539 · Note
• https://bugzilla.suse.com/show_bug.cgi?id=1111609 · Note