CVE-2024-43865

Summary

In the Linux kernel, the following vulnerability has been resolved:

s390/fpu: Re-add exception handling in load_fpu_state()

With the recent rewrite of the fpu code exception handling for the lfpc instruction within load_fpu_state() was erroneously removed.

Add it again to prevent that loading invalid floating point register values cause an unhandled specification exception.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux8c09871a950a3fe686e0e27fd4193179c5f74f37 < 494b14138201f07343e5488db6360c828fcc8cf6affected
LinuxLinux8c09871a950a3fe686e0e27fd4193179c5f74f37 < 4734406c39238cbeafe66f0060084caa3247ff53affected
LinuxLinux6.9affected
LinuxLinux0 < 6.9unaffected
LinuxLinux6.10.4 <= 6.10.*unaffected
LinuxLinux6.11 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References