CVE-2026-64110
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
Metadata
Severity & Metrics
No CVSS data available.
Affected products (2)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Linux | Linux | — | 5422570c0010bb968738f9256eb2bf83e79b4d63 < f1bafd35f11b3aca1c7bb38da173b8787364a04c, 5422570c0010bb968738f9256eb2bf83e79b4d63 < 3ebf056556138e74c640e6dc2b3848abd398b460, 5422570c0010bb968738f9256eb2bf83e79b4d63 < e935c37b8a94bb256fada6395a5d05e1c0c6bdaf |
| Linux | Linux | — | 6.16, 0 < 6.16, 6.18.34 ≤ 6.18.*, 7.0.11 ≤ 7.0.* … |
References (3)