CVE-2022-49950 (GCVE-0-2022-49950)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:00 – Updated: 2025-06-18 11:00
VLAI?
Title
misc: fastrpc: fix memory corruption on open
Summary
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix memory corruption on open The probe session-duplication overflow check incremented the session count also when there were no more available sessions so that memory beyond the fixed-size slab-allocated session array could be corrupted in fastrpc_session_alloc() on open().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < f8632b8bb53ebc005d8f24a68a0c1f9678c0e908 (git)
Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < 5cf2a57c7a01a0d7bdecf875a63682f542891b1b (git)
Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < cf20c3533efc89578ace94fa20a9e63446223c72 (git)
Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < e0578e603065f120a8759b75e0d6c216c7078a39 (git)
Affected: f6f9279f2bf0e37e2f1fb119d8832b8568536a04 , < d245f43aab2b61195d8ebb64cef7b5a08c590ab4 (git)
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    Linux 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": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/misc/fastrpc.c"
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.0",
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      ],
      "cpeApplicability": [
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: fix memory corruption on open\n\nThe probe session-duplication overflow check incremented the session\ncount also when there were no more available sessions so that memory\nbeyond the fixed-size slab-allocated session array could be corrupted in\nfastrpc_session_alloc() on open()."
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      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:00:13.985Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "title": "misc: fastrpc: fix memory corruption on open",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49950",
    "datePublished": "2025-06-18T11:00:13.985Z",
    "dateReserved": "2025-06-18T10:57:27.382Z",
    "dateUpdated": "2025-06-18T11:00:13.985Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.