CVE-2024-40999

net: ena: Add validation for completion descriptors consistency

MEDIUM
5.5
CVSS Score
Published: July 12, 2024 at 12:37 PM UTC
Updated: October 30, 2026 at 01:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: net: ena: Add validation for completion descriptors consistency Validate that `first` flag is set only for the first descriptor in multi-buffer packets. In case of an invalid descriptor, a reset will occur. A new reset reason for RX data corruption has been added.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.9 ≤ v < 6.9.71738cd3ed342294360d6a74d4e58800004bff8544.9
Vendor states this is fixed in 42146ee5286f16f1674a84f7c274dcca65c6ff2e (fixed)
Vendor states this is fixed in b37b98a3a0c1198bafe8c2d9ce0bc845b4e7a9a7 (fixed)
Vendor states this is fixed in 4.9 (unaffected)
Vendor states this is fixed in 6.10 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 6.9.7 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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