Description
Some futex functions in futex.c for Linux kernel 2.6.x perform get_user calls while holding the mmap_sem semaphore, which could allow local users to cause a deadlock condition in do_page_fault by triggering get_user faults while another thread is executing mmap or other functions.
References (5)
Core 5
Core References
Various Sources x_refsource_confirm
http://linux.bkbits.net:8080/linux-2.6/cset%40421cfc11zFsK9gxvSJ2t__FCmuUd3Q
Patch, Vendor Advisory x_refsource_misc
http://lkml.org/lkml/2005/2/22/123
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10037
Vendor Advisory vendor-advisory
x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2005-420.html
Third Party Advisory, VDB Entry vendor-advisory
x_refsource_fedora
http://www.securityfocus.com/archive/1/427980/100/0/threaded
Scores
EPSS
0.0035
EPSS Percentile
27.5%
Details
Status
published
Products (50)
linux/linux_kernel
2.5.0
linux/linux_kernel
2.5.1
linux/linux_kernel
2.5.2
linux/linux_kernel
2.5.3
linux/linux_kernel
2.5.4
linux/linux_kernel
2.5.5
linux/linux_kernel
2.5.6
linux/linux_kernel
2.5.7
linux/linux_kernel
2.5.8
linux/linux_kernel
2.5.9
... and 40 more
Published
Feb 22, 2005
Tracked Since
Feb 18, 2026