CVE-2022-48962: net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
First published: Mon Oct 21 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | >=4.8<4.9.336 | |
| Linux kernel | >=4.10<4.14.302 | |
| Linux kernel | >=4.15<4.19.269 | |
| Linux kernel | >=4.20<5.4.227 | |
| Linux kernel | >=5.5<5.10.159 | |
| Linux kernel | >=5.11<5.15.83 | |
| Linux kernel | >=5.16<6.0.13 | |
| Linux kernel | =6.1-rc1 | |
| Linux kernel | =6.1-rc2 | |
| Linux kernel | =6.1-rc3 | |
| Linux kernel | =6.1-rc4 | |
| Linux kernel | =6.1-rc5 | |
| Linux kernel | =6.1-rc6 | |
| Linux kernel | =6.1-rc7 | |
| Linux kernel | =6.1-rc8 |
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Reference Links
- https://git.kernel.org/stable/c/3501da8eb6d0f5f114a09ec953c54423f6f35885
- https://git.kernel.org/stable/c/196e12671cb629d9f3b77b4d8bec854fc445533a
- https://git.kernel.org/stable/c/aceec8ab752428d8e151321479e82cc1a40fee2e
- https://git.kernel.org/stable/c/e71a46cc8c9ad75f3bb0e4b361e81f79c0214cca
- https://git.kernel.org/stable/c/296a50aa8b2982117520713edc1375777a9f8506
- https://git.kernel.org/stable/c/6f4798ac9c9e98f41553c4f5e6c832c8860a6942
- https://git.kernel.org/stable/c/8595a2db8eb0ffcbb466eb9f4a7507a5ba06ebb9
- https://git.kernel.org/stable/c/4640177049549de1a43e9bc49265f0cdfce08cfd
Frequently Asked Questions
What is the severity of CVE-2022-48962?
CVE-2022-48962 has a severity rating of medium due to the potential for use-after-free vulnerabilities in the Linux kernel.
How do I fix CVE-2022-48962?
To fix CVE-2022-48962, update your Linux kernel to a version that is not affected by this vulnerability.
Which Linux kernel versions are affected by CVE-2022-48962?
CVE-2022-48962 affects various versions of the Linux kernel between 4.8 and 6.1-rc8.
What is a use-after-free vulnerability in CVE-2022-48962?
A use-after-free vulnerability in CVE-2022-48962 occurs when a program continues to use memory after it has been freed, potentially leading to memory corruption.
Can CVE-2022-48962 be exploited remotely?
Yes, CVE-2022-48962 can potentially be exploited remotely if an attacker can manipulate network traffic handled by the affected kernel.
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