Threats Tagged 'cve-2026-64291'
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Threats Tagged 'cve-2026-64291'
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In the Linux kernel, the following vulnerability has been resolved: iommufd: Set veventq_depth upper bound iommufd_veventq_alloc() accepts any !0… (CVE-2026-64291)CVE-2026-64291 0 A vulnerability in the Linux kernel's iommufd component allowed userspace to specify an excessively large veventq_depth value when allocating event queues, potentially exhausting kernel memory reserves. The issue was due to the lack of an appropriate upper bound on veventq_depth, which was previously capped only by U32_MAX. The fix caps veventq_depth to 1 << 19, aligning with the maximum entries in the SMMUv3 EVTQ, mitigating the risk of memory exhaustion. Join the discussion | GCVE Database | 07/25/2026, 12:31:29 UTC Added: 07/25/2026, 23:09:02 UTC |
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