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Files from ahaha

First Active2016-10-25
Last Active2016-10-25
FreeBSD Security Advisory - FreeBSD-SA-16:15.sysarch
Posted Oct 25, 2016
Authored by ahaha | Site security.freebsd.org

FreeBSD Security Advisory - A special combination of sysarch(2) arguments, specify a request to uninstall a set of descriptors from the LDT. The start descriptor is cleared and the number of descriptors are provided. Due to lack of sufficient bounds checking during argument validity verification, unbound zero'ing of the process LDT and adjacent memory can be initiated from usermode. This vulnerability could cause the kernel to panic. In addition it is possible to perform a local Denial of Service against the system by unprivileged processes.

tags | advisory, denial of service, kernel, local
systems | freebsd
advisories | CVE-2016-1885
MD5 | 2928e81b104e6f66784c2fc8aa82ca7e
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