CVE-2026-64110

Medium

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

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedJul 19, 2026
First seenJul 19, 2026
Weakness typeCWE-401CWE-401

How to fix

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.16 ≤ v < 6.18.34, 6.19 ≤ v < 7.0.11, 7.16.18.34, 7.0.11

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CVE-2026-64110 · Linux Kernel · Dark Radar