Riskcovery

CVE-2026-64110

igc: fix potential skb leak in igc_fpe_xmit_smd_frame()

State
Published
Severity
Not scored
Published
Jul 19, 2026
Updated
Jul 19, 2026
Reserved
Jul 19, 2026

Read the record on cve.org

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

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 5422570c0010bb968738f9256eb2bf83e79b4d63 to before f1bafd35f11b3aca1c7bb38da173b8787364a04cAffected
  • 5422570c0010bb968738f9256eb2bf83e79b4d63 to before 3ebf056556138e74c640e6dc2b3848abd398b460Affected
  • 5422570c0010bb968738f9256eb2bf83e79b4d63 to before e935c37b8a94bb256fada6395a5d05e1c0c6bdafAffected
LinuxLinux
  • 6.16Affected
  • before 6.16Not affected
  • 6.18.34 through 6.18.*Not affected
  • 7.0.11 through 7.0.*Not affected
  • 7.1 and laterNot affected

References

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