CVE-2024-40944
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…
Does this matter?
Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.24% probability · 15th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.