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CVE-2025-21740

Опубликовано: 27 фев. 2025
Источник: redhat
CVSS3: 5.5

Описание

[REJECTED CVE] In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure NX huge page recovery thread is alive before waking

Отчет

This CVE has been rejected by the Linux kernel community. Refer to the announcement: https://lore.kernel.org/linux-cve-announce/2025032750-REJECTED-eafd@gregkh/ This CVE has been marked as Rejected by the assigning CNA.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10kernelNot affected
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 8kernelNot affected
Red Hat Enterprise Linux 8kernel-rtNot affected
Red Hat Enterprise Linux 9kernelNot affected
Red Hat Enterprise Linux 9kernel-rtNot affected

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Дополнительная информация

Дефект:
CWE-476
https://bugzilla.redhat.com/show_bug.cgi?id=2348628kernel: KVM: x86/mmu: Ensure NX huge page recovery thread is alive before waking

5.5 Medium

CVSS3

Связанные уязвимости

ubuntu
10 месяцев назад

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

nvd
10 месяцев назад

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

CVSS3: 5.5
github
10 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure NX huge page recovery thread is alive before waking When waking a VM's NX huge page recovery thread, ensure the thread is actually alive before trying to wake it. Now that the thread is spawned on-demand during KVM_RUN, a VM without a recovery thread is reachable via the related module params. BUG: kernel NULL pointer dereference, address: 0000000000000040 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 RIP: 0010:vhost_task_wake+0x5/0x10 Call Trace: <TASK> set_nx_huge_pages+0xcc/0x1e0 [kvm] param_attr_store+0x8a/0xd0 module_attr_store+0x1a/0x30 kernfs_fop_write_iter+0x12f/0x1e0 vfs_write+0x233/0x3e0 ksys_write+0x60/0xd0 do_syscall_64+0x5b/0x160 entry_SYSCALL_64_after_hwframe+0x4b/0x53 RIP: 0033:0x7f3b52710104 </TASK> Modules linked in: ...

5.5 Medium

CVSS3