github - ghsa-xm2r-rc6j-6pp4

GHSA-XM2R-RC6J-6PP4

Vulnerability from github – Published: 2025-12-24 12:30 – Updated: 2025-12-24 12:30

Details

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

powerpc/64s: Fix VAS mm use after free

The refcount on mm is dropped before the coprocessor is detached.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2023-54042"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T11:15:57Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/64s: Fix VAS mm use after free\n\nThe refcount on mm is dropped before the coprocessor is detached.",
  "id": "GHSA-xm2r-rc6j-6pp4",
  "modified": "2025-12-24T12:30:29Z",
  "published": "2025-12-24T12:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-54042"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/421cd1544480f2458042fe7f4913a2069c4d7251"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e82f92c349ea603736ade1e814861c0182a55ad"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b4bda59b47879cce38a6ec5a01cd3cac702b5331"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/db8657fdd53c5e3069149d7f957cb60e63027bb2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f7d92313002b2d543500cc417d8079aaed1fb0a8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2023-54042 (GCVE-0-2023-54042)

Vulnerability from cvelistv5 – Published: 2025-12-24 10:56 – Updated: 2025-12-24 10:56

Title

powerpc/64s: Fix VAS mm use after free

Summary

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix VAS mm use after free The refcount on mm is dropped before the coprocessor is detached.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/f7d92313002b2d543…
	https://git.kernel.org/stable/c/4e82f92c349ea6037…
	https://git.kernel.org/stable/c/db8657fdd53c5e306…
	https://git.kernel.org/stable/c/421cd1544480f2458…
	https://git.kernel.org/stable/c/b4bda59b47879cce3…

Impacted products

Vendor

Product

Version

Linux

Affected: 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 , < f7d92313002b2d543500cc417d8079aaed1fb0a8 (git)
Affected: 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 , < 4e82f92c349ea603736ade1e814861c0182a55ad (git)
Affected: 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 , < db8657fdd53c5e3069149d7f957cb60e63027bb2 (git)
Affected: 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 , < 421cd1544480f2458042fe7f4913a2069c4d7251 (git)
Affected: 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 , < b4bda59b47879cce38a6ec5a01cd3cac702b5331 (git)

Linux

Affected: 5.14
Unaffected: 0 , < 5.14 (semver)
Unaffected: 5.15.121 , ≤ 5.15.* (semver)
Unaffected: 6.1.39 , ≤ 6.1.* (semver)
Unaffected: 6.3.13 , ≤ 6.3.* (semver)
Unaffected: 6.4.4 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/platforms/powernv/vas-window.c",
            "arch/powerpc/platforms/pseries/vas.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f7d92313002b2d543500cc417d8079aaed1fb0a8",
              "status": "affected",
              "version": "7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85",
              "versionType": "git"
            },
            {
              "lessThan": "4e82f92c349ea603736ade1e814861c0182a55ad",
              "status": "affected",
              "version": "7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85",
              "versionType": "git"
            },
            {
              "lessThan": "db8657fdd53c5e3069149d7f957cb60e63027bb2",
              "status": "affected",
              "version": "7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85",
              "versionType": "git"
            },
            {
              "lessThan": "421cd1544480f2458042fe7f4913a2069c4d7251",
              "status": "affected",
              "version": "7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85",
              "versionType": "git"
            },
            {
              "lessThan": "b4bda59b47879cce38a6ec5a01cd3cac702b5331",
              "status": "affected",
              "version": "7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/platforms/powernv/vas-window.c",
            "arch/powerpc/platforms/pseries/vas.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.14"
            },
            {
              "lessThan": "5.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.121",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.39",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.121",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.39",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3.13",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.4",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/64s: Fix VAS mm use after free\n\nThe refcount on mm is dropped before the coprocessor is detached."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-24T10:56:07.565Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f7d92313002b2d543500cc417d8079aaed1fb0a8"
        },
        {
          "url": "https://git.kernel.org/stable/c/4e82f92c349ea603736ade1e814861c0182a55ad"
        },
        {
          "url": "https://git.kernel.org/stable/c/db8657fdd53c5e3069149d7f957cb60e63027bb2"
        },
        {
          "url": "https://git.kernel.org/stable/c/421cd1544480f2458042fe7f4913a2069c4d7251"
        },
        {
          "url": "https://git.kernel.org/stable/c/b4bda59b47879cce38a6ec5a01cd3cac702b5331"
        }
      ],
      "title": "powerpc/64s: Fix VAS mm use after free",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54042",
    "datePublished": "2025-12-24T10:56:07.565Z",
    "dateReserved": "2025-12-24T10:53:46.181Z",
    "dateUpdated": "2025-12-24T10:56:07.565Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-XM2R-RC6J-6PP4

CVE-2023-54042 (GCVE-0-2023-54042)

Tags

Sightings

Nomenclature