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CVE-2024-50193

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CVE-2024-50193

Published: Nov 8, 2024

Modified: May 23, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: x86/entry_32: Clear CPU buffers after register restore in NMI return CPU buffers are currently cleared after call to exc_nmi, but before register state is restored. This may be okay for MDS mitigation but not for RDFS. Because RDFS mitigation requires CPU buffers to be cleared when registers don't have any sensitive data. Move CLEAR_CPU_BUFFERS after RESTORE_ALL_NMI.

VendorProductVersions

Linux

Linux

affected
50f021f0b985629accf10481a6e89af8b9700583 - < 6f44a5fc15b5cece0785bc07453db77d99b0a6de
affected
d54de9f2a127090f2017184e8257795b487d5312 - < b6400eb0b347821efc57760221f8fb6d63b9548a
affected
2e3087505ddb8ba2d3d4c81306cca11e868fcdb9 - < 43778de19d2ef129636815274644b9c16e78c66b
affected
ca13d8cd8dac25558da4ee8df4dc70e8e7f9d762 - < 227358e89703c344008119be7e8ffa3fdb5b92de
affected
a0e2dab44d22b913b4c228c8b52b2a104434b0b3 - < 64adf22c4bc73ede920baca5defefb70f190cdbc

+7 more versions

Linux

Linux

affected
6.8
unaffected
0 - < 6.8
unaffected
5.10.228 - <= 5.10.*
unaffected
5.15.169 - <= 5.15.*
unaffected
6.1.114 - <= 6.1.*

+3 more versions

References

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