github - ghsa-phhg-p86p-p5xr

GHSA-PHHG-P86P-P5XR

Vulnerability from github – Published: 2025-06-18 12:30 – Updated: 2025-11-14 21:30

Details

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

misc: fastrpc: fix memory corruption on probe

Add the missing sanity check on the probed-session count to avoid corrupting memory beyond the fixed-size slab-allocated session array when there are more than FASTRPC_MAX_SESSIONS sessions defined in the devicetree.

Severity ?

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49952"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-18T11:15:22Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: fix memory corruption on probe\n\nAdd the missing sanity check on the probed-session count to avoid\ncorrupting memory beyond the fixed-size slab-allocated session array\nwhen there are more than FASTRPC_MAX_SESSIONS sessions defined in the\ndevicetree.",
  "id": "GHSA-phhg-p86p-p5xr",
  "modified": "2025-11-14T21:30:27Z",
  "published": "2025-06-18T12:30:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49952"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0e33b0f322fecd7a92d9dc186535cdf97940a856"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9baa1415d9abdd1e08362ea2dcfadfacee8690b5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0425c2facd9166fa083f90c9f3187ace0c7837a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c99bc901d5eb9fbdd7bd39f625e170ce97390336"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ec186b9f4aa2e6444d5308a6cc268aada7007639"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-49952 (GCVE-0-2022-49952)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:00 – Updated: 2025-06-18 11:00

Summary

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix memory corruption on probe Add the missing sanity check on the probed-session count to avoid corrupting memory beyond the fixed-size slab-allocated session array when there are more than FASTRPC_MAX_SESSIONS sessions defined in the devicetree.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/ec186b9f4aa2e6444…
	https://git.kernel.org/stable/c/c99bc901d5eb9fbdd…
	https://git.kernel.org/stable/c/0e33b0f322fecd7a9…
	https://git.kernel.org/stable/c/c0425c2facd9166fa…
	https://git.kernel.org/stable/c/9baa1415d9abdd1e0…

Impacted products

Vendor

Product

Version

Linux

Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < ec186b9f4aa2e6444d5308a6cc268aada7007639 (git)
Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < c99bc901d5eb9fbdd7bd39f625e170ce97390336 (git)
Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < 0e33b0f322fecd7a92d9dc186535cdf97940a856 (git)
Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < c0425c2facd9166fa083f90c9f3187ace0c7837a (git)
Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < 9baa1415d9abdd1e08362ea2dcfadfacee8690b5 (git)

Linux

Affected: 5.1
Unaffected: 0 , < 5.1 (semver)
Unaffected: 5.4.213 , ≤ 5.4.* (semver)
Unaffected: 5.10.142 , ≤ 5.10.* (semver)
Unaffected: 5.15.66 , ≤ 5.15.* (semver)
Unaffected: 5.19.8 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/misc/fastrpc.c"
          ],
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          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "ec186b9f4aa2e6444d5308a6cc268aada7007639",
              "status": "affected",
              "version": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
              "versionType": "git"
            },
            {
              "lessThan": "c99bc901d5eb9fbdd7bd39f625e170ce97390336",
              "status": "affected",
              "version": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
              "versionType": "git"
            },
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              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
              "versionType": "git"
            },
            {
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          "product": "Linux",
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            "drivers/misc/fastrpc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.1"
            },
            {
              "lessThan": "5.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.213",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.142",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.66",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
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                }
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              "negate": false,
              "operator": "OR"
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        }
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      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:00:15.434Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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          "url": "https://git.kernel.org/stable/c/ec186b9f4aa2e6444d5308a6cc268aada7007639"
        },
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        },
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        {
          "url": "https://git.kernel.org/stable/c/c0425c2facd9166fa083f90c9f3187ace0c7837a"
        },
        {
          "url": "https://git.kernel.org/stable/c/9baa1415d9abdd1e08362ea2dcfadfacee8690b5"
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      ],
      "title": "misc: fastrpc: fix memory corruption on probe",
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    "cveId": "CVE-2022-49952",
    "datePublished": "2025-06-18T11:00:15.434Z",
    "dateReserved": "2025-06-18T10:57:27.382Z",
    "dateUpdated": "2025-06-18T11:00:15.434Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-PHHG-P86P-P5XR

CVE-2022-49952 (GCVE-0-2022-49952)

Tags

Sightings

Nomenclature