Description
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().
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-89448 ↗
- git.kernel.org/stable/c/3fd2b60ea9bd18348f5e971678f31041ef211047 ↗
- git.kernel.org/stable/c/45705a6bfdb283f7b3b509010fd617b72f942537 ↗
- git.kernel.org/stable/c/579eb867d3da63f3b5e32f235925e1daa7ec70d0 ↗
- git.kernel.org/stable/c/607432b2618b61df81134be0ef2562b8300c1216 ↗
- git.kernel.org/stable/c/87bc611c6c98a41c00feb7b06b0c297dd141a2ae ↗
- git.kernel.org/stable/c/aaeb81241e802c86be69394f72d49fde3f861fbb ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.