CVE-2025-39897

net: xilinx: axienet: Add error handling for RX metadata pointer retrieval

MEDIUM
5.5
CVSS Score
Published: October 1, 2025 at 07:42 AM UTC
Updated: October 19, 2026 at 09:10 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Add error handling for RX metadata pointer retrieval Add proper error checking for dmaengine_desc_get_metadata_ptr() which can return an error pointer and lead to potential crashes or undefined behaviour if the pointer retrieval fails. Properly handle the error by unmapping DMA buffer, freeing the skb and returning early to prevent further processing with invalid data.

Affected

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

6.13 ≤ v < 6.16.66.8 ≤ v < 6.12.466.176.17 rc16.17 rc26.17 rc36.17 rc46a91b846af85a24241decd686269e8e038eb13d1
Vendor states this is fixed in 8bbceba7dc5090c00105e006ce28d1292cfda8dd (fixed)
Vendor states this is fixed in 92e2fc92bc4eb2bc0e84404316fbc02ddd0a3196 (fixed)
Vendor states this is fixed in d0ecda6fdd840b406df6617b003b036f65dd8926 (fixed)
Vendor states this is fixed in 6.12.46 (unaffected)
Vendor states this is fixed in 6.16.6 (unaffected)
Vendor states this is fixed in 6.17 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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