The altivec_unavailable_exception function in arch/powerpc/kernel/traps.c in the Linux kernel before...
Vulnerability Description
The altivec_unavailable_exception function in arch/powerpc/kernel/traps.c in the Linux kernel before 2.6.19 on 64-bit systems mishandles the case where CONFIG_ALTIVEC is defined and the CPU actually supports Altivec, but the Altivec support was not detected by the kernel, which allows local users to cause a denial of service (panic) by triggering execution of an Altivec instruction.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c4841c2b6c32a134f9f36e5e08857138cc12b10
- https://github.com/torvalds/linux/commit/6c4841c2b6c32a134f9f36e5e08857138cc12b10
- http://www.linuxgrill.com/anonymous/kernel/v2.6/ChangeLog-2.6.19
- https://bugzilla.suse.com/show_bug.cgi?id=213229
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.