CVEvulnerability
CVE-2022-50190
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2025-06-18
- 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:
spi: Fix simplification of devm_spi_register_controller
This reverts commit 59ebbe40fb51 ("spi: simplify
devm_spi_register_controller").
If devm_add_action() fails in devm_add_action_or_reset(),
devm_spi_unregister() will be called, it decreases the
refcount of 'ctlr->dev' to 0, then it will cause uaf in
the drivers that calling spi_put_controller() in error path.
Affected configurations
• linux linux kernel (>= 5.13 < 5.15.61)
• linux linux kernel (>= 5.16 < 5.18.18)
• linux linux kernel (>= 5.19 < 5.19.2)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/34bab623ebfc08398499e463396b81abb4abe01e Patch
- https://git.kernel.org/stable/c/3c6bd448442b6c3f6843ac70d57201a13478dd47 Patch
- https://git.kernel.org/stable/c/43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0 Patch
- https://git.kernel.org/stable/c/445fb9c19cf45bd9472fd9babaa31c5e6c7d2720 Patch