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CVE-2026-64110

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: igc: fix potential skb leak in igc_fpe_xmit_smd_frame() When igc_fpe_init_tx_descriptor() fails, no one takes care of an alloca…

Published Jul 19, 2026CWE-401EPSS 0.16%

Overview

CVE-2026-64110 is a medium-severity vulnerability. It was published on July 19, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

igc: fix potential skb leak in igc_fpe_xmit_smd_frame()

When igc_fpe_init_tx_descriptor() fails, no one takes care of an

allocated skb, leaking it. [1]

Use dev_kfree_skb_any() on failure.

Tested on an I226 adapter with the following command, while injecting

faults in igc_fpe_init_tx_descriptor() to trigger the error path.

# ethtool --set-mm $DEV verify-enabled on tx-enabled on pmac-enabled on

[1]

unreferenced object 0xffff888113c6cdc0 (size 224):

...

backtrace (crc be3d3fda):

kmem_cache_alloc_node_noprof+0x3b1/0x410

__alloc_skb+0xde/0x830

igc_fpe_xmit_smd_frame.isra.0+0xad/0x1b0

igc_fpe_send_mpacket+0x37/0x90

ethtool_mmsv_verify_timer+0x15e/0x300

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/3ebf056556138e74c640e6dc2b3848abd398b460Refgit.kernel.org/stable/c/e935c37b8a94bb256fada6395a5d05e1c0c6bdafRefgit.kernel.org/stable/c/f1bafd35f11b3aca1c7bb38da173b8787364a04c

How CyberStrike helps

Frequently asked questions

What is CVE-2026-64110?

CVE-2026-64110 is a medium-severity vulnerability. It was published on July 19, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-64110?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-64110?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-64110?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-64110 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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