Vulnerability 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. ]
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.2, < 6.6.35 |
References
- https://git.kernel.org/stable/c/2cfb464669b645a9b98478b74f2bcea9860dcff1Patch
- https://git.kernel.org/stable/c/93c1800b3799f17375989b0daf76497dd3e80922Patch
- https://git.kernel.org/stable/c/d91ddd05082691e69b30744825d18ae799293258Patch
- https://git.kernel.org/stable/c/2cfb464669b645a9b98478b74f2bcea9860dcff1Patch
- https://git.kernel.org/stable/c/93c1800b3799f17375989b0daf76497dd3e80922Patch
- https://git.kernel.org/stable/c/d91ddd05082691e69b30744825d18ae799293258Patch
FAQ
What is CVE-2024-40944?
CVE-2024-40944 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2024-40944?
CVE-2024-40944 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-40944?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.