CVE-2021-46963

scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand()

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() RIP: 0010:kmem_cache_free+0xfa/0x1b0 Call Trace: qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx] scsi_queue_rq+0x5e2/0xa40 __blk_mq_try_issue_directly+0x128/0x1d0 blk_mq_request_issue_directly+0x4e/0xb0 Fix incorrect call to free srb in qla2xxx_mqueuecommand(), as srb is now allocated by upper layers. This fixes smatch warning of srb unintended free.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.01%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/c5ab9b67d8b061de74e2ca51bf787ee599bd7f89	patch
https://git.kernel.org/stable/c/77509a238547863040a42d57c72403f7d4c89a8f	patch
https://git.kernel.org/stable/c/702cdaa2c6283c135ef16d52e0e4e3c1005aa538	patch
https://git.kernel.org/stable/c/80ef24175df2cba3860d0369d1c662b49ee2de56	patch
https://git.kernel.org/stable/c/a73208e3244127ef9f2cdf24e4adb947aaa32053	patch
https://git.kernel.org/stable/c/6641df81ab799f28a5d564f860233dd26cca0d93	patch

Frequently Asked Questions

What is the severity of CVE-2021-46963?: CVE-2021-46963 has been scored as a medium severity vulnerability.
How to fix CVE-2021-46963?: To fix CVE-2021-46963, 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-2021-46963 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-46963 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-2021-46963?: CVE-2021-46963 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.