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CVE-2026-63824: Linux 4.20
CVE-2026-63824. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.0013 (percentile 0.02322), scored 15-Oct-2026.
Affected technology
Linux · 00d60fd3b93219ea854220f0fd264b86398cbc53 to before 622ec2dcd59f21623f2a7ab773c80ceb7d555e3a, 00d60fd3b93219ea854220f0fd264b86398cbc53 to before b1e247338bc71826a2d2def3e0874c34749df69a, 00d60fd3b93219ea854220f0fd264b86398cbc53 to before 0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3, 00d60fd3b93219ea854220f0fd264b86398cbc53 to before 5966e4e2ba213ab7ad559166152eb4f1f170dd2c, 00d60fd3b93219ea854220f0fd264b86398cbc53 to before 5165f1cc727f1322456735df212d8e26ec237a8d, 00d60fd3b93219ea854220f0fd264b86398cbc53 to before b11c1fa32667692a2c0566e10163758e786e430c, 00d60fd3b93219ea854220f0fd264b86398cbc53 to before 670fc6a311ed321522b7fff92cf0fc376b4f6e78, 00d60fd3b93219ea854220f0fd264b86398cbc53 to before cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b
Linux
Linux · 4.20
Linux
Component: Not specified by the source
File: security/keys/keyctl_pkey.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.0013 · percentile 0.02322 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 16:55:38.548135+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-63824.html