CVE-2022-50190

spi: Fix simplification of devm_spi_register_controller

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.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/445fb9c19cf45bd9472fd9babaa31c5e6c7d2720
https://git.kernel.org/stable/c/34bab623ebfc08398499e463396b81abb4abe01e
https://git.kernel.org/stable/c/3c6bd448442b6c3f6843ac70d57201a13478dd47
https://git.kernel.org/stable/c/43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0

Frequently Asked Questions

What is the severity of CVE-2022-50190?: CVE-2022-50190 has not yet been assigned a CVSS score.
How to fix CVE-2022-50190?: To fix CVE-2022-50190, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-50190 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-50190 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-50190?: CVE-2022-50190 affects Linux Linux, Linux Linux.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.