CVE-2022-49521

Summary

In the Linux kernel, the following vulnerability has been resolved:

scsi: lpfc: Fix resource leak in lpfc_sli4_send_seq_to_ulp()

If no handler is found in lpfc_complete_unsol_iocb() to match the rctl of a received frame, the frame is dropped and resources are leaked.

Fix by returning resources when discarding an unhandled frame type. Update lpfc_fc_frame_check() handling of NOP basic link service.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4f774513f7b3fe96648b8936f60f835e6ceaa88e < fa1b509d41c5433672f72c0615cf4aefa0611c99affected
LinuxLinux4f774513f7b3fe96648b8936f60f835e6ceaa88e < 40cf4ea4d2d497f7732c87d350ba5c3f5e8a43a1affected
LinuxLinux4f774513f7b3fe96648b8936f60f835e6ceaa88e < 08709769ff2fb6c5ffedcda3742700d8ea1618a8affected
LinuxLinux4f774513f7b3fe96648b8936f60f835e6ceaa88e < 7860d8f8082605b57596aa82d3d438c1fdad9a9eaffected
LinuxLinux4f774513f7b3fe96648b8936f60f835e6ceaa88e < 646db1a560f44236b7278b822ca99a1d3b6ea72caffected
LinuxLinux2.6.31affected
LinuxLinux0 < 2.6.31unaffected
LinuxLinux5.10.121 <= 5.10.*unaffected
LinuxLinux5.15.46 <= 5.15.*unaffected
LinuxLinux5.17.14 <= 5.17.*unaffected
LinuxLinux5.18.3 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

References