CVE-2022-48964: ravb: Fix potential use-after-free in ravb_rx_gbeth()

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-10-21 · updated 2026-08-04
Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: ravb: Fix potential use-after-free in ravb_rx_gbeth() The skb is delivered to napi_gro_receive() which may free it, after calling this, dereferencing skb may trigger use-after-free.

Affected products

Linux kernel: from 5.16 before 6.0.13; 6.1-rc1, 6.1-rc2, 6.1-rc3, 6.1-rc4, 6.1-rc5, 6.1-rc6 (+2) — fixed in 6.0.13

How to fix

Upgrade to a fixed version: Linux kernel 6.0.13. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/5a5a3e564de6a8db987410c5c2f4748d50ea82b8
https://git.kernel.org/stable/c/e63c681494dcc0527c625a0a4f59bf10259f5ee0

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