vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler (Linux Linux)

CVE-2026-74309
CRITICAL 10.0

At a glance

Source
NVD
EPSS
EPSS 0.65 % · percentile 51 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Received

Description

In the Linux kernel, the following vulnerability has been resolved: vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler Look up the IRQ index in oct_hw->irqs instead of assuming irq - irqs[0]. This supports non-contiguous IRQ numbers and avoids incorrect ring indexing when irqs[0] is not the base.

References

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HLinux
CVSS 3.1CRITICAL 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 26f8ce06af6475b33b0bc60261e9f5027f9af58f < 3ef0cfa77a3d526591be069850d186c255e3f0cc ; affected 26f8ce06af6475b33b0bc60261e9f5027f9af58f < c6c7eae5de798442987619434171ac886035d57c ; affected 26f8ce06af6475b33b0bc60261e9f5027f9af58f < 0d21a1d6375a05274291e32c1ab7cd57dbb69513
Linux · Linuxaffected 6.14 ; unaffected 0 < 6.14 ; unaffected 6.18.40 ≤ 6.18.* ; unaffected 7.1.5 ≤ 7.1.* ; unaffected 7.2 ≤ *

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