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416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2024-40944HistoryJul 12, 2024 - 1:15 p.m.
CVE-2024-40944
2024-07-1213:15:16
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
5
linux kernel
call depth tracking
vulnerability
x86/kexec
gs segment
system crash
cc_platform_has
load_segments()
EPSS
0
Percentile
15.9%
In the Linux kernel, the following vulnerability has been resolved:
x86/kexec: Fix bug with call depth tracking
The call to cc_platform_has() triggers a fault and system crash if call depth
tracking is active because the GS segment has been reset by load_segments() and
GS_BASE is now 0 but call depth tracking uses per-CPU variables to operate.
Call cc_platform_has() earlier in the function when GS is still valid.
[ bp: Massage. ]
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