CVE-2021-47565

scsi: mpt3sas: Fix kernel panic during drive powercycle test

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix kernel panic during drive powercycle test While looping over shost's sdev list it is possible that one of the drives is getting removed and its sas_target object is freed but its sdev object remains intact. Consequently, a kernel panic can occur while the driver is trying to access the sas_address field of sas_target object without also checking the sas_target object for NULL.

N/A

CVSS

Severity:

EPSS 0.20%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/5d4d50b1f159a5ebab7617f47121b4370aa58afe
https://git.kernel.org/stable/c/58ef2c7a6de13721865d84b80eecf56d6cba0937
https://git.kernel.org/stable/c/dd035ca0e7a142870a970d46b1d19276cfe2bc8c
https://git.kernel.org/stable/c/0d4b29eaadc1f59cec0c7e85eae77d08fcca9824
https://git.kernel.org/stable/c/7e324f734a914957b8cc3ff4b4c9f0409558adb5
https://git.kernel.org/stable/c/2bf9c5a5039c8f4b037236aed505e6a25c1d5f7b
https://git.kernel.org/stable/c/8485649a7655e791a6e4e9f15b4d30fdae937184
https://git.kernel.org/stable/c/0ee4ba13e09c9d9c1cb6abb59da8295d9952328b

Frequently Asked Questions

What is the severity of CVE-2021-47565?: CVE-2021-47565 has not yet been assigned a CVSS score.
How to fix CVE-2021-47565?: To fix CVE-2021-47565, 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-2021-47565 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-47565 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-2021-47565?: CVE-2021-47565 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.