Review reviewHigh

CVE-2023-54040

Linux

In the Linux kernel, the following vulnerability has been resolved: ice: fix wrong fallback logic for FDIR When adding a FDIR filter, if ice_vc_fdir_set_irq_ctx returns failure, the inserted fdir entry will not be removed and if ice_vc_fdir_write_fltr returns failure, the fdir context info for irq handler will not be cleared which may lead to inconsistent or memory leak issue. This patch refines failure cases to resolve this issue.

CVSS: 8.8
EPSS: 0.13%
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 probability0.13%

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: Linux
Affected versions: >= 1f7ea1cd6a3748427512ccc9582e18cd9efea966 < 391d28c0e38c0e5b11a4240a2b4976cf63e87f45, >= 1f7ea1cd6a3748427512ccc9582e18cd9efea966 < aad3b871efe26f36f45f8b4649653b5d3fd9c35e, >= 1f7ea1cd6a3748427512ccc9582e18cd9efea966 < cbfed5f114b5310f221979fc8190f55c6abc3400, >= 1f7ea1cd6a3748427512ccc9582e18cd9efea966 < b4a01ace20f5c93c724abffc0a83ec84f514b98d, >= 5.13
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