Vulnerabilities > CVE-2021-47473 - Memory Leak vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/7fb223d0ad801f633c78cbe42b1d1b55f5d163ad
- https://git.kernel.org/stable/c/7fb223d0ad801f633c78cbe42b1d1b55f5d163ad
- https://git.kernel.org/stable/c/96f0aebf29be25254fa585af43924e34aa21fd9a
- https://git.kernel.org/stable/c/96f0aebf29be25254fa585af43924e34aa21fd9a
- https://git.kernel.org/stable/c/a7fbb56e6c941d9f59437b96412a348e66388d3e
- https://git.kernel.org/stable/c/a7fbb56e6c941d9f59437b96412a348e66388d3e