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CVE-2021-47372

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CVE-2021-47372

Published: May 21, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use after free on rmmod plat_dev->dev->platform_data is released by platform_device_unregister(), use of pclk and hclk is a use-after-free. Since device unregister won't need a clk device we adjust the function call sequence to fix this issue. [ 31.261225] BUG: KASAN: use-after-free in macb_remove+0x77/0xc6 [macb_pci] [ 31.275563] Freed by task 306: [ 30.276782] platform_device_release+0x25/0x80

VendorProductVersions

Linux

Linux

affected
83a77e9ec4150ee4acc635638f7dedd9da523a26 - < a7d521cc726f30b8e679a6f36d04b18a8ab3c536
affected
83a77e9ec4150ee4acc635638f7dedd9da523a26 - < 46670fb832ee80943715df618632ca13c2e96f2b
affected
83a77e9ec4150ee4acc635638f7dedd9da523a26 - < 1da750d1e2140ef43d64d17f301ff6f41b45541e
affected
83a77e9ec4150ee4acc635638f7dedd9da523a26 - < 7721221e87d25c9840d9ca6b986dbdc410d5ce2b
affected
83a77e9ec4150ee4acc635638f7dedd9da523a26 - < 4ad6f2d23b0f6ac0d3e5f3102a4256d1c86c90f5

+1 more versions

Linux

Linux

affected
4.10
unaffected
0 - < 4.10
unaffected
4.14.249 - <= 4.14.*
unaffected
4.19.209 - <= 4.19.*
unaffected
5.4.150 - <= 5.4.*

+3 more versions

References

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