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

CVE-2024-39499
HIGH 7.1

At a glance

Source
NVD
EPSS
EPSS 0.30 % · percentile 22 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

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.

Weaknesses (CWE)

  • CWE-668 — Exposure of Resource to Wrong Sphere

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 58730dfbd4ae01c1b022b0d234a8bf8c02cdfb81 ; affected 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 681967c4ff210e06380acf9b9a1b33ae06e77cbd ; affected 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < f70ff737346744633e7b655c1fb23e1578491ff3 ; affected 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 95ac3e773a1f8da83c4710a720fbfe80055aafae ; affected 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < 95bac1c8bedb362374ea1937b1d3e833e01174ee ; affected 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a < e293c6b38ac9029d76ff0d2a6b2d74131709a9a8
Linux · Linuxaffected 3.9 ; unaffected 0 < 3.9 ; unaffected 4.19.317 ≤ 4.19.* ; unaffected 5.4.279 ≤ 5.4.* ; unaffected 5.10.221 ≤ 5.10.* ; unaffected 5.15.162 ≤ 5.15.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD