github - ghsa-c9mw-vpxm-p7rq

ghsa-c9mw-vpxm-p7rq

Vulnerability from github

Published

2023-10-03 18:30

Modified

2023-11-14 21:30

Severity ?

4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

A flaw was found in the Linux Kernel's memory management subsytem. A task exits and releases a 2MB page in a vma (vm_area_struct) and hits the BUG statement in pfn_swap_entry_to_page() referencing pmd_t x.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-4732"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362",
      "CWE-366"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-10-03T17:15:09Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in the Linux Kernel\u0027s memory management subsytem. A task exits and releases a 2MB page in a vma (vm_area_struct) and hits the BUG statement in pfn_swap_entry_to_page() referencing pmd_t x.",
  "id": "GHSA-c9mw-vpxm-p7rq",
  "modified": "2023-11-14T21:30:50Z",
  "published": "2023-10-03T18:30:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4732"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:6901"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:7077"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:7539"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:0412"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-4732"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2236982"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2023-4732

Vulnerability from cvelistv5

Published

2023-10-03 16:55

Modified

2024-11-15 16:32

Severity ?

4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

Kernel: race between task migrating pages and another task calling exit_mmap to release those same pages getting invalid opcode bug in include/linux/swapops.h

References

▼	URL	Tags
	https://access.redhat.com/errata/RHSA-2023:6901	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2023:7077	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2023:7539	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2024:0412	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/security/cve/CVE-2023-4732	vdb-entry, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2236982	issue-tracking, x_refsource_REDHAT

Impacted products

▼	Vendor	Product
	Red Hat	Red Hat Enterprise Linux 8
	Red Hat	Red Hat Enterprise Linux 8
	Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support
	Red Hat	Red Hat Enterprise Linux 8.8 Extended Update Support
	Red Hat	Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
	Red Hat	Red Hat Enterprise Linux 6
	Red Hat	Red Hat Enterprise Linux 7
	Red Hat	Red Hat Enterprise Linux 7
	Red Hat	Red Hat Enterprise Linux 9
	Red Hat	Red Hat Enterprise Linux 9

Show details on NVD website

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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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