CVE-2024-40944
MediumIn 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 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
The following references provide additional information about CVE-2024-40944 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/2cfb464669b645a9b98478b74f2bcea9860dcff1
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PatchKernel patch commithttps://git.kernel.org/stable/c/93c1800b3799f17375989b0daf76497dd3e80922
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PatchKernel patch commithttps://git.kernel.org/stable/c/d91ddd05082691e69b30744825d18ae799293258
Frequently asked questions
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What is CVE-2024-40944?
CVE-2024-40944 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2024-40944 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2024-40944?
CVE-2024-40944 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2024-40944?
No patch is currently available for CVE-2024-40944. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2024-40944 actively exploited?
No — CVE-2024-40944 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.