What’s Vulnerable › Vulnerabilities

CVE-2022-48962: net: hisilicon: Fix potential use-after-free in hisi_femac_rx()

• 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: net: hisilicon: Fix potential use-after-free in hisi_femac_rx() 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 4.8 before 4.9.336; from 4.10 before 4.14.302; from 4.15 before 4.19.269; from 4.20 before 5.4.227; from 5.5 before 5.10.159; from 5.11 before 5.15.83 — fixed in 4.14.302, 4.19.269, 4.9.336, 5.10.159, 5.15.83, 5.4.227

How to fix

Upgrade to a fixed version: Linux kernel 4.14.302, 4.19.269, 4.9.336, 5.10.159. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/196e12671cb629d9f3b77b4d8bec854fc445533a
• https://git.kernel.org/stable/c/296a50aa8b2982117520713edc1375777a9f8506
• https://git.kernel.org/stable/c/3501da8eb6d0f5f114a09ec953c54423f6f35885
• https://git.kernel.org/stable/c/4640177049549de1a43e9bc49265f0cdfce08cfd
• https://git.kernel.org/stable/c/6f4798ac9c9e98f41553c4f5e6c832c8860a6942
• https://git.kernel.org/stable/c/8595a2db8eb0ffcbb466eb9f4a7507a5ba06ebb9
• https://git.kernel.org/stable/c/aceec8ab752428d8e151321479e82cc1a40fee2e
• https://git.kernel.org/stable/c/e71a46cc8c9ad75f3bb0e4b361e81f79c0214cca

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