9.3

CVE-2026-89448

iommu/vt-d: Force requesting ACS when tboot is enabled

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

iommu/vt-d: Force requesting ACS when tboot is enabled

Currently the conditions of requesting ACS in detect_intel_iommu()
don't include tboot, leading to a possible misconfiguration with ACS
disabled (e.g. due to user opts) while iommu is later forced on by
tboot_force_iommu().

Fix it by checking tboot in detect_intel_iommu().
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 5d990b627537e59a3a2f039ff588a4750e9c1a6a
Version < 579eb867d3da63f3b5e32f235925e1daa7ec70d0
Status affected
Version 5d990b627537e59a3a2f039ff588a4750e9c1a6a
Version < aaeb81241e802c86be69394f72d49fde3f861fbb
Status affected
Version 5d990b627537e59a3a2f039ff588a4750e9c1a6a
Version < 45705a6bfdb283f7b3b509010fd617b72f942537
Status affected
Version 5d990b627537e59a3a2f039ff588a4750e9c1a6a
Version < 87bc611c6c98a41c00feb7b06b0c297dd141a2ae
Status affected
Version 5d990b627537e59a3a2f039ff588a4750e9c1a6a
Version < 607432b2618b61df81134be0ef2562b8300c1216
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 2.6.33
Status affected
Version 0
Version < 2.6.33
Status unaffected
Version <= 6.6.*
Version 6.6.157
Status unaffected
Version <= 6.12.*
Version 6.12.109
Status unaffected
Version <= 6.18.*
Version 6.18.50
Status unaffected
Version <= 7.2.*
Version 7.2.4
Status unaffected
Version <= *
Version 7.3-rc1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.14% 0.04
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 9.3 2.5 6
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/aaeb81241e802c86be69394f72d49fde3f861fbb
https://git.kernel.org/stable/c/45705a6bfdb283f7b3b509010fd617b72f942537
https://git.kernel.org/stable/c/87bc611c6c98a41c00feb7b06b0c297dd141a2ae
https://git.kernel.org/stable/c/607432b2618b61df81134be0ef2562b8300c1216
https://git.kernel.org/stable/c/579eb867d3da63f3b5e32f235925e1daa7ec70d0