CVE-2021-47473
MEDIUMLinux Kernel 3.11-5.10.76 - Use-After-Free in qla2x00_process_els() Error Path
Title source: llmDescription
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.
References (3)
Core 3
Scores
CVSS v3
5.5
EPSS
0.0021
EPSS Percentile
11.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-401
Status
published
Products (10)
Linux/Linux
< 3.11
Linux/Linux
3.11
Linux/Linux
5.10.76 - 5.10.*
Linux/Linux
5.14.15 - 5.14.*
Linux/Linux
5.15
Linux/Linux
8c0eb596baa51f2b43949c698c644727ef17805c - 7fb223d0ad801f633c78cbe42b1d1b55f5d163ad
Linux/Linux
8c0eb596baa51f2b43949c698c644727ef17805c - 96f0aebf29be25254fa585af43924e34aa21fd9a
Linux/Linux
8c0eb596baa51f2b43949c698c644727ef17805c - a7fbb56e6c941d9f59437b96412a348e66388d3e
linux/linux_kernel
5.15 rc1 (6 CPE variants)
linux/linux_kernel
3.11 - 5.10.76
Published
May 22, 2024
Tracked Since
Feb 18, 2026