SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-15666

There is an out-of-bounds array access in __xfrm_policy_unlink, which will cause denial of service, because verify_newpolicy_info in net/xfrm/xfrm_user.c mishandles directory validation.

MEDIUM 4.4EPSS 1.73%

Does this matter?

Lower severity and a low EPSS score (1.73%). Track it; it rarely justifies an emergency change on its own.

Description

An issue was discovered in the Linux kernel before 5.0.19. There is an out-of-bounds array access in __xfrm_policy_unlink, which will cause denial of service, because verify_newpolicy_info in net/xfrm/xfrm_user.c mishandles directory validation.

CVSS 3.1
4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS
1.73% probability · 77th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-125
Affected
linux/linux kernel · debian/debian linux · opensuse/leap
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 1.73%27 October 202627 October 2026

EPSS 1.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.