Threats Tagged 'ubuntu-cve-2026-31590'
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Threats Tagged 'ubuntu-cve-2026-31590'
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A medium severity vulnerability (CVE-2026-31590) in the Linux kernel's KVM SEV subsystem was addressed. The issue involved a WARN triggered on large size values for KVM_MEMORY_ENCRYPT_REG_REGION, which could be trivially triggered from userspace due to improper handling of 64-bit address and size values. This flaw was fixed in Linux kernel versions 5.15.0-186.196 and later. The vulnerability does not impact confidentiality or integrity but can cause denial of service (system crash). A patch is available and should be applied. The vendor advisory from Ubuntu confirms the fix and recommends updating to the specified patched kernel versions. Join the discussion | GCVE Database | 04/24/2026, 15:16:00 UTC Added: 07/18/2026, 11:22:28 UTC |
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