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CVE-2026-43253: linux kernel from 4.9 (inclusive), before 6.6.128 (exclusive), from 6.7 (inclusive), before 6.12.75 (exclusive), from…
CVE-2026-43253. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00486 (percentile 0.40421), scored 15-Oct-2026.
Affected technology
linux kernel · from 4.9 (inclusive), before 6.6.128 (exclusive)
linux
linux kernel · from 6.7 (inclusive), before 6.12.75 (exclusive)
linux
linux kernel · from 6.13 (inclusive), before 6.18.16 (exclusive)
linux
linux kernel · from 6.19 (inclusive), before 6.19.6 (exclusive)
linux
Linux · 4bf5beef578e46393f11eb69dda7d17a065e05ff to before f2f65b28d802a667119147444ec2ae33eebf9a58, 4bf5beef578e46393f11eb69dda7d17a065e05ff to before 715c263119fd1b918a9fcbd8a36ea5b604a46324, 4bf5beef578e46393f11eb69dda7d17a065e05ff to before e15768e68820142077bbca402d8e902f64ade1b0, 4bf5beef578e46393f11eb69dda7d17a065e05ff to before 496269d12072ecb219826485bdbec70c92a8eef5, 4bf5beef578e46393f11eb69dda7d17a065e05ff to before d2a0cac10597068567d336e85fa3cbdbe8ca62bf
Linux
Linux · 4.9
Linux
Component: Not specified by the source
File: drivers/iommu/amd/iommu.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.
- CWE
- CWE-667
- CCR priority
- 30.1 /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
- 0.00486 · percentile 0.40421 · 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-2026-43253.html