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CVE-2021-33655: linux kernel before 5.19 (exclusive), 5.19 · update rc1, 5.19 · update rc2 (+3 more affected versions); +3 more…
CVE-2021-33655. CVSS 3.1 base score 6.7 (MEDIUM, NVD). EPSS 0.00315 (percentile 0.22664), scored 13-Oct-2026.
Affected technology
linux kernel · before 5.19 (exclusive)
linux
linux kernel · 5.19 · update rc1
linux
linux kernel · 5.19 · update rc2
linux
linux kernel · 5.19 · update rc3
linux
linux kernel · 5.19 · update rc4
linux
linux kernel · 5.19 · update rc5
linux
debian linux · 10.0
debian
debian linux · 11.0
debian
kernel · 5.18 5.19.0-rc1
Vendor not specified by the source
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before V1.1
Siemens
Component: Not specified by the source
Attack conditions (NVD, CVSS 3.1): Local · High privileges required · No user interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 6.7/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-787
- CCR priority
- 26.9 /100 (P4)
- CVSS 3.1
- 6.7 /10 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.00315 · percentile 0.22664 · 2026-10-13
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-14 16:01:16.619248+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-14 15:56:36.793806+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2021-33655.html