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F5 BIG-IP - Linux kernel vulnerability CVE-2014-9419
Information
Severity
Severity
Low
Family
Family
F5 Local Security Checks
CVSSv2 Base
CVSSv2 Base
2.1
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:L/Au:N/C:P/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
8 years ago
Modified
Modified
2 years ago
Summary
The remote host is missing a security patch.
Insight
Insight
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel through 3.18.1 does not ensure that Thread Local Storage (TLS) descriptors are loaded before proceeding with other steps, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application that reads a TLS base address. (CVE-2014-9419)
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
See the referenced vendor advisory for a solution.