CVE-2021-47473

scsi: qla2xxx: Fix a memory leak in an error path of qla2x00_process_els()

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix a memory leak in an error path of qla2x00_process_els() Commit 8c0eb596baa5 ("[SCSI] qla2xxx: Fix a memory leak in an error path of qla2x00_process_els()"), intended to change: bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN bsg_job->request->msgcode != FC_BSG_RPT_ELS but changed it to: bsg_job->request->msgcode == FC_BSG_RPT_ELS instead. Change the == to a != to avoid leaking the fcport structure or freeing unallocated memory.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/96f0aebf29be25254fa585af43924e34aa21fd9a patch
https://git.kernel.org/stable/c/a7fbb56e6c941d9f59437b96412a348e66388d3e patch
https://git.kernel.org/stable/c/7fb223d0ad801f633c78cbe42b1d1b55f5d163ad patch

Frequently Asked Questions

What is the severity of CVE-2021-47473?
CVE-2021-47473 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47473?
To fix CVE-2021-47473, 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-2021-47473 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-47473 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-2021-47473?
CVE-2021-47473 affects Linux Linux, Linux Linux.
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