CVE-2024-27007

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE Commit d7a08838ab74 ("mm: userfaultfd: fix unexpected change to src_folio when UFFDIO_MOVE fails") moved the src_folio->{mapping, index} changing to after clearing the page-table and ensuring that it's not pinned. This avoids failure of swapout+migration and possibly memory corruption. However, the commit missed fixing it in the huge-page case.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/c0205eaf3af9f5db14d4b5ee4abacf4a583c3c50	Patch
https://git.kernel.org/stable/c/df5f6e683e7f21a15d8be6e7a0c7a46436963ebe	Patch
https://git.kernel.org/stable/c/c0205eaf3af9f5db14d4b5ee4abacf4a583c3c50	Patch
https://git.kernel.org/stable/c/df5f6e683e7f21a15d8be6e7a0c7a46436963ebe	Patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.9:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.9:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.9:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.9:rc4::::::

History

No history.

Information

Published : 2024-05-01 06:15

Updated : 2025-11-04 18:16

NVD link : CVE-2024-27007

Mitre link : CVE-2024-27007

CVE.ORG link : CVE-2024-27007

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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