CVE-2018-17977

4.4 mediumEPSS 0.4%

Medium (4.4) in linux linux kernel. EPSS 0.4% chance of exploitation in the next 30 days.

The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTO_AH packets, and IPPROTO_IP packets, which allows local users to cause a denial of service (memory consumption and system hang) by leveraging root access to execute crafted applications, as demonstrated on CentOS 7.

Severity

CVSS 3.0

4.4 medium

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2018-10-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

References

http://www.securityfocus.com/bid/105539
https://www.openwall.com/lists/oss-security/2018/10/05/5
http://www.securityfocus.com/bid/105539
https://www.openwall.com/lists/oss-security/2018/10/05/5

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