iommu/mediatek: Fix crash on isr after kexec() (Linux Linux)

CVE-2022-50236
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.16 % · percentile 5 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Fix crash on isr after kexec() If the system is rebooted via isr(), the IRQ handler might be triggered before the domain is initialized. Resulting on an invalid memory access error. Fix: [ 0.500930] Unable to handle kernel read from unreadable memory at virtual address 0000000000000070 [ 0.501166] Call trace: [ 0.501174] report_iommu_fault+0x28/0xfc [ 0.501180] mtk_iommu_isr+0x10c/0x1c0 [ joro: Fixed spelling in commit message ]

Weaknesses (CWE)

  • CWE-908 — Use of Uninitialized Resource

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 0df4fabe208d9576f2671d31e77cf46d20fdcd01 < f13acee780cedb3e06a6dadf64d9104cccd2b9fc ; affected 0df4fabe208d9576f2671d31e77cf46d20fdcd01 < 85cc8a187f2de7a91e2cea522e9406fa12999269 ; affected 0df4fabe208d9576f2671d31e77cf46d20fdcd01 < 00ef8885a945c37551547d8ac8361cacd20c4e42
Linux · Linuxaffected 4.6 ; unaffected 0 < 4.6 ; unaffected 6.0.17 ≤ 6.0.* ; unaffected 6.1.3 ≤ 6.1.* ; unaffected 6.2 ≤ *

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