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BSA-2017-304

Description

#### Summary The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576. **Affected Products** Product | Current Assessment ---|--- Brocade SLX-OS | Impacted: Fixed in 17r.1.01. **Products Confirmed Not Vulnerable** Brocade FastIron OS, Brocade NetIron OS, Brocade ServerIron ADX, and Brocade Virtual Web Application Firewall are confirmed not affected by this vulnerability. **Workaround** There are no workarounds that address this vulnerability. #### Revision History Version | Change | Date ---|---|--- 1.0 | Initial Publication | May 17, 2017


Affected Software


CPE Name Name Version
brocade slx-os 17r.1.01

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