github - ghsa-2848-825f-x8rx

ghsa-2848-825f-x8rx

Vulnerability from github

Published

2024-05-01 06:31

Modified

2024-05-03 03:30

Details

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.

Show details on source website

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{
   affected: [],
   aliases: [
      "CVE-2024-27007",
   ],
   database_specific: {
      cwe_ids: [],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2024-05-01T06:15:19Z",
      severity: null,
   },
   details: "In the Linux kernel, the following vulnerability has been resolved:\n\nuserfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE\n\nCommit d7a08838ab74 (\"mm: userfaultfd: fix unexpected change to src_folio\nwhen UFFDIO_MOVE fails\") moved the src_folio->{mapping, index} changing to\nafter clearing the page-table and ensuring that it's not pinned.  This\navoids failure of swapout+migration and possibly memory corruption.\n\nHowever, the commit missed fixing it in the huge-page case.",
   id: "GHSA-2848-825f-x8rx",
   modified: "2024-05-03T03:30:47Z",
   published: "2024-05-01T06:31:43Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-27007",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/c0205eaf3af9f5db14d4b5ee4abacf4a583c3c50",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/df5f6e683e7f21a15d8be6e7a0c7a46436963ebe",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW",
      },
   ],
   schema_version: "1.4.0",
   severity: [],
}

cve-2024-27007

Vulnerability from cvelistv5

Published

2024-05-01 05:29

Modified

2024-12-19 08:52

Severity ?

Summary

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.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/df5f6e683e7f21a15d8be6e7a0c7a46436963ebe
	https://git.kernel.org/stable/c/c0205eaf3af9f5db14d4b5ee4abacf4a583c3c50

Impacted products

Vendor

Product

Version

▼

Linux

Version: adef440691bab824e39c1b17382322d195e1fab0
Version: adef440691bab824e39c1b17382322d195e1fab0

Linux

Version: 6.8

Show details on NVD website

JSON

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All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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