CVE-2026-64035 Details
Description
In the Linux kernel, the following vulnerability has been resolved: igc: set tx buffer type for SMD frames Sashiko pointed out that igc_fpe_init_smd_frame() initializes igc_tx_buffer fields for an SMD skb, but does not set the buffer type: https://sashiko.dev/#/patchset/20260415025226.114115-1-kohei%40enjuk.jp Since igc_tx_buffer entries are reused, a stale XDP or XSK type can remain and make TX completion use the wrong cleanup path. Set the buffer type to IGC_TX_BUFFER_TYPE_SKB.
A vulnerability exists in the Linux kernel's igc driver, specifically in the handling of SMD (Service Management Data) frames. The issue arises because the function responsible for initializing SMD frames does not properly set the transmission buffer type, leaving it open to potential mismanagement. This can lead to incorrect processing of transmission completions, as the buffer type is reused and a stale type can interfere with the proper cleanup process. The vulnerability affects the stable versions of the Linux kernel.
The vulnerability has been addressed by updating the igc_fpe_init_smd_frame() function to include the correct buffer type for SMD frames. Users should apply the latest patches available in the Linux kernel stable tree to mitigate this issue.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 16, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/1c8587bd025244aa52061f5ceecbf5e68a1063d9 | kernel.org | Patch |
| https://git.kernel.org/stable/c/1f83545f432d106d5fc71d3997b2d382104ebcc4 | kernel.org | Patch |
| https://git.kernel.org/stable/c/5acc641e590e008caaed480ed9ffae47cf7ecbdf | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-909 | Missing Initialization of Resource | [email protected] |
| CWE-665 | Improper Initialization | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 6.16, < 6.18.34 >= 6.19, < 7.0.11 7.1 rc1 7.1 rc2 7.1 rc3 7.1 rc4 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 19, 2026 | CVE Modified | CISA-ADP |
| Oct 16, 2026 | CVE Modified | kernel.org |
| Oct 16, 2026 | CVE Modified | CISA-ADP |
| Oct 13, 2026 | Initial Analysis | [email protected] |
| Jul 20, 2026 | CVE Modified | kernel.org |
| Jul 19, 2026 | New CVE Received | kernel.org |