Get real-time updates on Telegram
CVE-2026-64138: linux kernel from 5.15 (inclusive), before 6.12.92 (exclusive), from 6.13 (inclusive), before 6.18.34 (exclusive)…
CVE-2026-64138. CVSS 3.1 base score 8.8 (HIGH, Source advisory). EPSS 0.00415 (percentile 0.34433), scored 20-Oct-2026.
Affected technology
linux kernel · from 5.15 (inclusive), before 6.12.92 (exclusive)
linux
linux kernel · from 6.13 (inclusive), before 6.18.34 (exclusive)
linux
linux kernel · from 6.19 (inclusive), before 7.0.11 (exclusive)
linux
linux kernel · 7.1 · update rc1
linux
linux kernel · 7.1 · update rc2
linux
linux kernel · 7.1 · update rc3
linux
linux kernel · 7.1 · update rc4
linux
Linux · e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 8efbea0253b7fa2d1960cab0fed36544ca0b41ab, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before f0e5c9c663badc9982e6941322eef1cb17de0f11, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 18d8db24b0a5b7be4829238dd4022236df02d421, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 1c9d0646a9959752f11ca1080dc1ff26bd1756cb, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 69f030cf95488ae1186c72ac8c66fd279664ea7f
Linux
Linux · 5.15
Linux
Component: Not specified by the source
File: fs/smb/server/smbacl.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 35.3 /100 (P4)
- CVSS 3.1
- 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00415 · percentile 0.34433 · 2026-10-20
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-21 16:09:05.633125+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-64138.html