Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.13, < 5.15.61 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/34bab623ebfc08398499e463396b81abb4abe01ePatch
- https://git.kernel.org/stable/c/3c6bd448442b6c3f6843ac70d57201a13478dd47Patch
- https://git.kernel.org/stable/c/43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0Patch
- https://git.kernel.org/stable/c/445fb9c19cf45bd9472fd9babaa31c5e6c7d2720Patch
FAQ
What is CVE-2022-50190?
CVE-2022-50190 is a vulnerability with a CVSS score of 7.8 (HIGH). 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_control...
How severe is CVE-2022-50190?
CVE-2022-50190 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-50190?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.