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CVE-2026-74321: Linux 4.20
CVE-2026-74321. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00716 (percentile 0.52791), scored 15-Oct-2026.
Affected technology
Linux · 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 to before c372ca227e16bace86f1df1fa4ae6849e2fcfa28, 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 to before a71143590ce9764dbcb47617647592ff8b4d48bc, 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 to before 65770111a2d47c2b15e20b2ba92bb12198f289d4, 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 to before 015dc4a1e0c2cba551d4620eba13d26d5081dc34, 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 to before ba9fa2ff5981589bb49094d3358c339b37c47f53, 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 to before 3b15d02be05e74321adb1e0ae0cb4ccfba7c6cb1, 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 to before 9faa6b69ad73f03c7bde53e07d75a28822dc9a1a, 0110a4c43451533de1ea1bbdc57b5d452f9d8b25 to before 486f8298b6188ff11ef1f4be7f1d5d2e4d1b1fae
Linux
Linux · 4.20
Linux
Component: Not specified by the source
File: fs/btrfs/extent-tree.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 30.2 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
- EPSS
- 0.00716 · percentile 0.52791 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 19:24:35.956875+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-74321.html