Riskcovery

CVE-2021-47372

net: macb: fix use after free on rmmod

State
Published
Severity
Not scored
Published
May 21, 2024
Updated
May 11, 2026
Reserved
May 21, 2024

Read the record on cve.org

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

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 83a77e9ec4150ee4acc635638f7dedd9da523a26 to before a7d521cc726f30b8e679a6f36d04b18a8ab3c536Affected
  • 83a77e9ec4150ee4acc635638f7dedd9da523a26 to before 46670fb832ee80943715df618632ca13c2e96f2bAffected
  • 83a77e9ec4150ee4acc635638f7dedd9da523a26 to before 1da750d1e2140ef43d64d17f301ff6f41b45541eAffected
  • 83a77e9ec4150ee4acc635638f7dedd9da523a26 to before 7721221e87d25c9840d9ca6b986dbdc410d5ce2bAffected
  • 83a77e9ec4150ee4acc635638f7dedd9da523a26 to before 4ad6f2d23b0f6ac0d3e5f3102a4256d1c86c90f5Affected
  • 83a77e9ec4150ee4acc635638f7dedd9da523a26 to before d82d5303c4c539db86588ffb5dc5b26c3f1513e8Affected
LinuxLinux
  • 4.10Affected
  • before 4.10Not affected
  • 4.14.249 through 4.14.*Not affected
  • 4.19.209 through 4.19.*Not affected
  • 5.4.150 through 5.4.*Not affected
  • 5.10.70 through 5.10.*Not affected
  • 5.14.9 through 5.14.*Not affected
  • 5.15 and laterNot affected

References

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