REDHAT-BUG-1243489: Low severity red hat linux vulnerability
It was found that if an NMI occurred immediately after a SYSCALL or before a SYSRET with the user RSP pointing to the NMI IST stack, the kernel could skip that NMI.
Upstream fix: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=810bc075f78ff2c221536eb3008eac6a492dba2d
Acknowledgements:
Red Hat would like to thank Andy Lutomirski for reporting this issue.
Affected Software
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-1243489?
REDHAT-BUG-1243489 has been rated as a medium severity vulnerability due to potential impacts on system stability.
How do I fix REDHAT-BUG-1243489?
To fix REDHAT-BUG-1243489, ensure you apply the recommended kernel patches provided by Red Hat.
Which systems are affected by REDHAT-BUG-1243489?
REDHAT-BUG-1243489 affects the Red Hat Linux Kernel in various distributions using vulnerable versions.
What are the potential risks of not addressing REDHAT-BUG-1243489?
Not addressing REDHAT-BUG-1243489 can lead to system instability and potential denial of service under specific conditions.
Is there a public disclosure for REDHAT-BUG-1243489?
Yes, REDHAT-BUG-1243489 has been documented publicly in the Red Hat Bugzilla database.