CVE-2022-48743: net: amd-xgbe: Fix skb data length underflow

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-20 · updated 2026-08-04
Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fix skb data length underflow There will be BUG_ON() triggered in include/linux/skbuff.h leading to intermittent kernel panic, when the skb length underflow is detected. Fix this by dropping the packet if such length underflows are seen because of inconsistencies in the hardware descriptors.

Affected products

Linux kernel: from 4.9.19 before 4.9.300; from 4.11 before 4.14.265; from 4.15 before 4.19.228; from 4.20 before 5.4.177; from 5.5 before 5.10.97; from 5.11 before 5.15.20 — fixed in 4.14.265, 4.19.228, 4.9.300, 5.10.97, 5.15.20, 5.16.6

How to fix

Upgrade to a fixed version: Linux kernel 4.14.265, 4.19.228, 4.9.300, 5.10.97. Check the vendor advisory for mitigations.

References

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