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CVE-2026-63952: Linux 6.3
CVE-2026-63952. CVSS 3.1 base score 8.4 (HIGH, Source advisory). EPSS 0.00164 (percentile 0.05264), scored 15-Oct-2026.
Affected technology
Linux · c4f75bc8bd6b3d62665e1f5400c419540edb5601 to before b3f4f82d1315f1439059a83d1c22c51a5b43d99e, c4f75bc8bd6b3d62665e1f5400c419540edb5601 to before 3be2a24f7f72ad7321ed6ad1715b956a4527bcf4, c4f75bc8bd6b3d62665e1f5400c419540edb5601 to before 0995d1f79aed8ccbf62056189dd53fd19726ea08, c4f75bc8bd6b3d62665e1f5400c419540edb5601 to before 555702282d4536a865dfffb1cd4f6028f196e7e8, c4f75bc8bd6b3d62665e1f5400c419540edb5601 to before 3b041514cb6eae45869b020f743c14d983363222
Linux
Linux · 6.3
Linux
Component: Not specified by the source
File: mm/memfd.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 8.4/10) rates confidentiality and integrity impact as high; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 33.6 /100 (P4)
- CVSS 3.1
- 8.4 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N · Source advisory
- EPSS
- 0.00164 · percentile 0.05264 · 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-2026-63952.html