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AstraLinux
AstraLinux
added 2026/05/20 5:53 a.m.1 views

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Both valid and invalid roots are cleared when unmapping a gfn range. KVM must ensure that it does not hold any references to the freed page after the unmapping...

7.8CVSS5.9AI score0.00021EPSS
Exploits0References2
OSV
OSV
added 2025/03/21 1:18 p.m.8 views

OESA-2025-1318 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds ...

7.8CVSS6.6AI score0.0003EPSS
Exploits0References4
OSV
OSV
added 2025/02/26 6:37 a.m.9 views

CVE-2021-47639

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

7.8CVSS6.8AI score
Exploits0References4
OSV
OSV
added 2025/02/26 6:37 a.m.3 views

DEBIAN-CVE-2021-47639

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

7.8CVSS5.4AI score0.00021EPSS
Exploits0References1
OSV
OSV
added 2025/02/26 6:37 a.m.0 views

UBUNTU-CVE-2021-47639

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

7.8CVSS6AI score0.00021EPSS
Exploits0References7
Debian CVE
Debian CVE
added 2025/02/26 1:54 a.m.13 views

CVE-2021-47639

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

7.8CVSS5.3AI score0.00021EPSS
Exploits0
CVE
CVE
added 2025/02/26 1:54 a.m.127 views

CVE-2021-47639

CVE-2021-47639 affects the Linux kernel KVM x86/mmu code. The issue arises when unmapping a guest frame number (gfn) range in the TDP MMU: both valid and invalid SPTE roots can be zapped, but invalid roots aren’t consistently cleared in mmu_notifier paths. This can leave references to freed pages...

7.8CVSS6.5AI score0.00021EPSS
Exploits0References4Affected Software1
Cvelist
Cvelist
added 2025/02/26 1:54 a.m.12 views

CVE-2021-47639 KVM: x86/mmu: Zap _all_ roots when unmapping gfn range in TDP MMU

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

0.00021EPSS
Exploits0References4
Vulnrichment
Vulnrichment
added 2025/02/26 1:54 a.m.11 views

CVE-2021-47639 KVM: x86/mmu: Zap _all_ roots when unmapping gfn range in TDP MMU

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

7.4AI score0.00021EPSS
Exploits0References4
RedHat Linux
RedHat Linux
added 2022/11/08 9:32 a.m.1 views

kernel: KVM: x86/mmu: Zap _all_ roots when unmapping gfn range in TDP MMU

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

7.8CVSS6.2AI score0.00021EPSS
Exploits0References5
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