CVE-2024-40944
Medium
Description
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. ]
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJul 12, 2024
First seenJul 12, 2024
How to fix
Update
- linux linux_kernel6.6.35, 6.9.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.2 ≤ v < 6.6.35, 6.7 ≤ v < 6.9.6, 6.10 | 6.6.35, 6.9.6 |
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