What is CVE-2024-40944?

CVE-2024-40944 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-07-12.

How severe is CVE-2024-40944?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

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 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. ]

EPSS: 0.002 (15.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 5d8213864ade86b48fc492584ea86d65a62f892e, 6.2, 0
Linux Linux_kernel — versions 6.10

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2024-40944?: CVE-2024-40944 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-07-12.
How severe is CVE-2024-40944?: Medium severity. CVSS v3 base score is 5.5 out of 10.