CVE-2022-49795 (GCVE-0-2022-49795)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:09 – Updated: 2025-05-04 08:45
VLAI?
Title
rethook: fix a potential memleak in rethook_alloc()
Summary
In the Linux kernel, the following vulnerability has been resolved: rethook: fix a potential memleak in rethook_alloc() In rethook_alloc(), the variable rh is not freed or passed out if handler is NULL, which could lead to a memleak, fix it. [Masami: Add "rethook:" tag to the title.] Acke-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Severity ?
No CVSS data available.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: 54ecbe6f1ed5138c895bdff55608cf502755b20e , < cbc5d1f9a8cc40ba2bc6779b36d2ea1f65bc027c (git)
Affected: 54ecbe6f1ed5138c895bdff55608cf502755b20e , < 0a1ebe35cb3b7aa1f4b26b37e2a0b9ae68dc4ffb (git)
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    Linux Linux Affected: 5.18
Unaffected: 0 , < 5.18 (semver)
Unaffected: 6.0.10 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
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Show details on NVD website

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          "programFiles": [
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                  "vulnerable": true
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrethook: fix a potential memleak in rethook_alloc()\n\nIn rethook_alloc(), the variable rh is not freed or passed out\nif handler is NULL, which could lead to a memleak, fix it.\n\n[Masami: Add \"rethook:\" tag to the title.]\n\nAcke-by: Masami Hiramatsu (Google) \u003cmhiramat@kernel.org\u003e"
        }
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      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:45:31.504Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/cbc5d1f9a8cc40ba2bc6779b36d2ea1f65bc027c"
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          "url": "https://git.kernel.org/stable/c/0a1ebe35cb3b7aa1f4b26b37e2a0b9ae68dc4ffb"
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49795",
    "datePublished": "2025-05-01T14:09:25.764Z",
    "dateReserved": "2025-05-01T14:05:17.224Z",
    "dateUpdated": "2025-05-04T08:45:31.504Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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