CVEvulnerability

CVE-2021-47372

7.8 HIGH Published 2024-05-21 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2024-05-21
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416

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

Affected configurations

• linux linux kernel (< 4.14.249) • linux linux kernel (>= 4.15 < 4.19.209) • linux linux kernel (>= 4.20 < 5.4.150) • linux linux kernel (>= 5.5 < 5.10.70) • linux linux kernel (>= 5.11 < 5.14.9) • linux linux kernel 5.15

Related

Weakness · CWE (1)

References