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

Vulnerability from cvelistv5 – Published: 2025-06-18 11:00 – Updated: 2026-08-05 08:56
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
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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)
Create a notification for this product.
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)
Create a notification for this product.
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:25:16+00:00",
      "cve": "CVE-2022-49950",
      "id": "CVE-2022-49950",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: misc: fastrpc: fix memory corruption on open",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49950.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-05T01:12:10Z",
      "cve": "CVE-2022-49950",
      "id": "CVE-2022-49950",
      "initial_release_date": "2025-06-19T03:45:47Z",
      "product_status:known_affected": "358",
      "product_status:known_not_affected": "280",
      "product_status:recommended": "273",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49950",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49950.json",
      "version": "42"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.