CVE-2025-22005 (GCVE-0-2025-22005)
Vulnerability from cvelistv5
Published
2025-04-03 07:19
Modified
2025-10-01 17:09
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw(). fib_check_nh_v6_gw() expects that fib6_nh_init() cleans up everything when it fails. Commit 7dd73168e273 ("ipv6: Always allocate pcpu memory in a fib6_nh") moved fib_nh_common_init() before alloc_percpu_gfp() within fib6_nh_init() but forgot to add cleanup for fib6_nh->nh_common.nhc_pcpu_rth_output in case it fails to allocate fib6_nh->rt6i_pcpu, resulting in memleak. Let's call fib_nh_common_release() and clear nhc_pcpu_rth_output in the error path. Note that we can remove the fib6_nh_release() call in nh_create_ipv6() later in net-next.git.
References
Impacted products
Vendor Product Version
Linux Linux Version: 7dd73168e273938b9e9bb42ca51b0c27d807992b
Version: 7dd73168e273938b9e9bb42ca51b0c27d807992b
Version: 7dd73168e273938b9e9bb42ca51b0c27d807992b
Version: 7dd73168e273938b9e9bb42ca51b0c27d807992b
Version: 7dd73168e273938b9e9bb42ca51b0c27d807992b
Version: 7dd73168e273938b9e9bb42ca51b0c27d807992b
Version: 7dd73168e273938b9e9bb42ca51b0c27d807992b
Version: 7dd73168e273938b9e9bb42ca51b0c27d807992b
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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-22005\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T17:09:45.806528Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T14:39:36.403Z\"}}], \"cna\": {\"title\": \"ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"7dd73168e273938b9e9bb42ca51b0c27d807992b\", \"lessThan\": \"16267a5036173d0173377545b4b6021b081d0933\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7dd73168e273938b9e9bb42ca51b0c27d807992b\", \"lessThan\": \"1bd12dfc058e1e68759d313d7727d68dbc1b8964\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7dd73168e273938b9e9bb42ca51b0c27d807992b\", \"lessThan\": \"596a883c4ce2d2e9c175f25b98fed3a1f33fea38\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7dd73168e273938b9e9bb42ca51b0c27d807992b\", \"lessThan\": \"77c41cdbe6bce476e08d3251c0d501feaf10a9f3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7dd73168e273938b9e9bb42ca51b0c27d807992b\", \"lessThan\": \"119dcafe36795a15ae53351cbbd6177aaf94ffef\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7dd73168e273938b9e9bb42ca51b0c27d807992b\", \"lessThan\": \"29d91820184d5cbc70f3246d4911d96eaeb930d6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7dd73168e273938b9e9bb42ca51b0c27d807992b\", \"lessThan\": \"d3d5b4b5ae263c3225db363ba08b937e2e2b0380\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"7dd73168e273938b9e9bb42ca51b0c27d807992b\", \"lessThan\": \"9740890ee20e01f99ff1dde84c63dcf089fabb98\", \"versionType\": \"git\"}], \"programFiles\": [\"net/ipv6/route.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.3\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.3\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.292\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.236\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.180\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.132\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.85\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.21\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13.9\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.13.*\"}, {\"status\": \"unaffected\", \"version\": \"6.14\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/ipv6/route.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/16267a5036173d0173377545b4b6021b081d0933\"}, {\"url\": \"https://git.kernel.org/stable/c/1bd12dfc058e1e68759d313d7727d68dbc1b8964\"}, {\"url\": \"https://git.kernel.org/stable/c/596a883c4ce2d2e9c175f25b98fed3a1f33fea38\"}, {\"url\": \"https://git.kernel.org/stable/c/77c41cdbe6bce476e08d3251c0d501feaf10a9f3\"}, {\"url\": \"https://git.kernel.org/stable/c/119dcafe36795a15ae53351cbbd6177aaf94ffef\"}, {\"url\": \"https://git.kernel.org/stable/c/29d91820184d5cbc70f3246d4911d96eaeb930d6\"}, {\"url\": \"https://git.kernel.org/stable/c/d3d5b4b5ae263c3225db363ba08b937e2e2b0380\"}, {\"url\": \"https://git.kernel.org/stable/c/9740890ee20e01f99ff1dde84c63dcf089fabb98\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().\\n\\nfib_check_nh_v6_gw() expects that fib6_nh_init() cleans up everything\\nwhen it fails.\\n\\nCommit 7dd73168e273 (\\\"ipv6: Always allocate pcpu memory in a fib6_nh\\\")\\nmoved fib_nh_common_init() before alloc_percpu_gfp() within fib6_nh_init()\\nbut forgot to add cleanup for fib6_nh-\u003enh_common.nhc_pcpu_rth_output in\\ncase it fails to allocate fib6_nh-\u003ert6i_pcpu, resulting in memleak.\\n\\nLet\u0027s call fib_nh_common_release() and clear nhc_pcpu_rth_output in the\\nerror path.\\n\\nNote that we can remove the fib6_nh_release() call in nh_create_ipv6()\\nlater in net-next.git.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.292\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.236\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.180\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.132\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.85\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.21\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13.9\", \"versionStartIncluding\": \"5.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.14\", \"versionStartIncluding\": \"5.3\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T07:27:16.458Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-22005\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T17:09:48.269Z\", \"dateReserved\": \"2024-12-29T08:45:45.803Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-04-03T07:19:06.716Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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