CVE-2024-39499

Summary

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

vmci: prevent speculation leaks by sanitizing event in event_deliver()

Coverity spotted that event_msg is controlled by user-space, event_msg->event_data.event is passed to event_deliver() and used as an index without sanitization.

This change ensures that the event index is sanitized to mitigate any possibility of speculative information leaks.

This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.

Only compile tested, no access to HW.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 58730dfbd4ae01c1b022b0d234a8bf8c02cdfb81affected
LinuxLinux1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 681967c4ff210e06380acf9b9a1b33ae06e77cbdaffected
LinuxLinux1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < f70ff737346744633e7b655c1fb23e1578491ff3affected
LinuxLinux1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 95ac3e773a1f8da83c4710a720fbfe80055aafaeaffected
LinuxLinux1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 95bac1c8bedb362374ea1937b1d3e833e01174eeaffected
LinuxLinux1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < e293c6b38ac9029d76ff0d2a6b2d74131709a9a8affected
LinuxLinux1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 757804e1c599af5d2a7f864c8e8b2842406ff4bbaffected
LinuxLinux1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 8003f00d895310d409b2bf9ef907c56b42a4e0f4affected
LinuxLinux3.9affected
LinuxLinux0 < 3.9unaffected
LinuxLinux4.19.317 <= 4.19.*unaffected
LinuxLinux5.4.279 <= 5.4.*unaffected
LinuxLinux5.10.221 <= 5.10.*unaffected
LinuxLinux5.15.162 <= 5.15.*unaffected
LinuxLinux6.1.95 <= 6.1.*unaffected
LinuxLinux6.6.35 <= 6.6.*unaffected
LinuxLinux6.9.6 <= 6.9.*unaffected
LinuxLinux6.10 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References