CVE-2024-26617
Vulnerability from cvelistv5
Published
2024-02-29 15:52
Modified
2024-11-05 09:12
Severity ?
Summary
fs/proc/task_mmu: move mmu notification mechanism inside mm lock
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/05509adf297924f51e1493aa86f9fcde1433ed80
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4cccb6221cae6d020270606b9e52b1678fc8b71a
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/proc/task_mmu: move mmu notification mechanism inside mm lock\n\nMove mmu notification mechanism inside mm lock to prevent race condition\nin other components which depend on it.  The notifier will invalidate\nmemory range.  Depending upon the number of iterations, different memory\nranges would be invalidated.\n\nThe following warning would be removed by this patch:\nWARNING: CPU: 0 PID: 5067 at arch/x86/kvm/../../../virt/kvm/kvm_main.c:734 kvm_mmu_notifier_change_pte+0x860/0x960 arch/x86/kvm/../../../virt/kvm/kvm_main.c:734\n\nThere is no behavioural and performance change with this patch when\nthere is no component registered with the mmu notifier.\n\n[akpm@linux-foundation.org: narrow the scope of `range\u0027, per Sean]"
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    "dateReserved": "2024-02-19T14:20:24.131Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26617\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-11T18:15:19.457\",\"lastModified\":\"2024-03-12T12:40:13.500\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfs/proc/task_mmu: move mmu notification mechanism inside mm lock\\n\\nMove mmu notification mechanism inside mm lock to prevent race condition\\nin other components which depend on it.  The notifier will invalidate\\nmemory range.  Depending upon the number of iterations, different memory\\nranges would be invalidated.\\n\\nThe following warning would be removed by this patch:\\nWARNING: CPU: 0 PID: 5067 at arch/x86/kvm/../../../virt/kvm/kvm_main.c:734 kvm_mmu_notifier_change_pte+0x860/0x960 arch/x86/kvm/../../../virt/kvm/kvm_main.c:734\\n\\nThere is no behavioural and performance change with this patch when\\nthere is no component registered with the mmu notifier.\\n\\n[akpm@linux-foundation.org: narrow the scope of `range\u0027, per Sean]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fs/proc/task_mmu: mover el mecanismo de notificaci\u00f3n mmu dentro del bloqueo mm Mueva el mecanismo de notificaci\u00f3n mmu dentro del bloqueo mm para evitar condiciones de ejecuci\u00f3n en otros componentes que dependen de \u00e9l. El notificador invalidar\u00e1 el rango de memoria. Dependiendo del n\u00famero de iteraciones, se invalidar\u00edan diferentes rangos de memoria. Este parche eliminar\u00eda la siguiente advertencia: ADVERTENCIA: CPU: 0 PID: 5067 en arch/x86/kvm/../../../virt/kvm/kvm_main.c:734 kvm_mmu_notifier_change_pte+0x860/0x960 arch/ x86/kvm/../../../virt/kvm/kvm_main.c:734 No hay cambios de comportamiento ni de rendimiento con este parche cuando no hay ning\u00fan componente registrado con el notificador mmu. [akpm@linux-foundation.org: reduzca el alcance del `rango\u0027, seg\u00fan Sean]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/05509adf297924f51e1493aa86f9fcde1433ed80\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4cccb6221cae6d020270606b9e52b1678fc8b71a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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