4.4 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
5.1%
The (1) sparc_mmap_check function in arch/sparc/kernel/sys_sparc.c and the
(2) sparc64_mmap_check function in arch/sparc64/kernel/sys_sparc.c, in the
Linux kernel 2.4 before 2.4.36.5 and 2.6 before 2.6.25.3, omit some
virtual-address range (aka span) checks when the mmap MAP_FIXED bit is not
set, which allows local users to cause a denial of service (panic) via
unspecified mmap calls.