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CVE-2022-49991

Опубликовано: 18 июн. 2025
Источник: redhat
CVSS3: 7

Описание

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepage_add_new_anon_rmap is called for them mistakenly because they're not vm_shared. This will corrupt the page->mapping used by page cache code.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10kernelNot affected
Red Hat Enterprise Linux 6kernelOut of support scope
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 9kernel-rtAffected
Red Hat Enterprise Linux 9kernelFixedRHSA-2023:245809.05.2023
Red Hat Enterprise Linux 9kernelFixedRHSA-2023:245809.05.2023
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionskernelFixedRHSA-2025:1474427.08.2025

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-915
https://bugzilla.redhat.com/show_bug.cgi?id=2373639kernel: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte

7 High

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
8 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepage_add_new_anon_rmap is called for them mistakenly because they're not vm_shared. This will corrupt the page->mapping used by page cache code.

CVSS3: 5.5
nvd
8 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepage_add_new_anon_rmap is called for them mistakenly because they're not vm_shared. This will corrupt the page->mapping used by page cache code.

CVSS3: 5.5
debian
8 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: m ...

CVSS3: 5.5
github
8 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepage_add_new_anon_rmap is called for them mistakenly because they're not vm_shared. This will corrupt the page->mapping used by page cache code.

7 High

CVSS3

Уязвимость CVE-2022-49991