Review reviewHigh

CVE-2023-54060

Linux

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set end correctly when doing batch carry Even though the test suite covers this it somehow became obscured that this wasn't working. The test iommufd_ioas.mock_domain.access_domain_destory would blow up rarely. end should be set to 1 because this just pushed an item, the carry, to the pfns list. Sometimes the test would blow up with: BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] SMP CP...

CVSS: 8.8
EPSS: 0.16%
CISA KEV: Not listed
Published: 2025.12.24

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.16%

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: Linux
Affected versions: >= f394576eb11dbcd3a740fa41e577b97f0720d26e < 176f36a376c417b58d19f79edfce20db9317eaa2, >= f394576eb11dbcd3a740fa41e577b97f0720d26e < b7c822fa6b7701b17e139f1c562fc24135880ed4, >= 6.2
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE: Not available