CVE-2022-50007 (GCVE-0-2022-50007)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:01 – Updated: 2025-06-18 11:01
VLAI?
Title
xfrm: fix refcount leak in __xfrm_policy_check()
Summary
In the Linux kernel, the following vulnerability has been resolved: xfrm: fix refcount leak in __xfrm_policy_check() The issue happens on an error path in __xfrm_policy_check(). When the fetching process of the object `pols[1]` fails, the function simply returns 0, forgetting to decrement the reference count of `pols[0]`, which is incremented earlier by either xfrm_sk_policy_lookup() or xfrm_policy_lookup(). This may result in memory leaks. Fix it by decreasing the reference count of `pols[0]` in that path.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 134b0fc544ba062498451611cb6f3e4454221b3d , < 18e6b6e2555c93f5ca09f2b85ef1fa025c8accea (git)
Affected: 134b0fc544ba062498451611cb6f3e4454221b3d , < 8f94b933103ee1bda119543369cc18a1be5536db (git)
Affected: 134b0fc544ba062498451611cb6f3e4454221b3d , < 0769491a8acd3e85ca4c3f65080eac2c824262df (git)
Affected: 134b0fc544ba062498451611cb6f3e4454221b3d , < 63da7a2bbf3f28094920e0b8a17d2571a9bd842d (git)
Affected: 134b0fc544ba062498451611cb6f3e4454221b3d , < 1305d7d4f35ca6f214a2d23b075aa6a924cff3be (git)
Affected: 134b0fc544ba062498451611cb6f3e4454221b3d , < 26ad2398fe4984f4f6f930bcb3bc9047fa77265b (git)
Affected: 134b0fc544ba062498451611cb6f3e4454221b3d , < d66c052879791313f90c0584420f196a038fb8b8 (git)
Affected: 134b0fc544ba062498451611cb6f3e4454221b3d , < 9c9cb23e00ddf45679b21b4dacc11d1ae7961ebe (git)
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    Linux Linux Affected: 2.6.19
Unaffected: 0 , < 2.6.19 (semver)
Unaffected: 4.9.327 , ≤ 4.9.* (semver)
Unaffected: 4.14.292 , ≤ 4.14.* (semver)
Unaffected: 4.19.257 , ≤ 4.19.* (semver)
Unaffected: 5.4.212 , ≤ 5.4.* (semver)
Unaffected: 5.10.140 , ≤ 5.10.* (semver)
Unaffected: 5.15.64 , ≤ 5.15.* (semver)
Unaffected: 5.19.6 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: fix refcount leak in __xfrm_policy_check()\n\nThe issue happens on an error path in __xfrm_policy_check(). When the\nfetching process of the object `pols[1]` fails, the function simply\nreturns 0, forgetting to decrement the reference count of `pols[0]`,\nwhich is incremented earlier by either xfrm_sk_policy_lookup() or\nxfrm_policy_lookup(). This may result in memory leaks.\n\nFix it by decreasing the reference count of `pols[0]` in that path."
        }
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      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:01:12.447Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/9c9cb23e00ddf45679b21b4dacc11d1ae7961ebe"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50007",
    "datePublished": "2025-06-18T11:01:12.447Z",
    "dateReserved": "2025-06-18T10:57:27.388Z",
    "dateUpdated": "2025-06-18T11:01:12.447Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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