CVE-2023-53330 (GCVE-0-2023-53330)

Vulnerability from cvelistv5 – Published: 2025-09-16 16:12 – Updated: 2026-01-14 18:32
VLAI?
Title
caif: fix memory leak in cfctrl_linkup_request()
Summary
In the Linux kernel, the following vulnerability has been resolved: caif: fix memory leak in cfctrl_linkup_request() When linktype is unknown or kzalloc failed in cfctrl_linkup_request(), pkt is not released. Add release process to error path.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b482cd2053e3b90a7b33a78c63cdb6badf2ec383 , < badea57569db04b010e922e29a7aaf40a979a70b (git)
Affected: b482cd2053e3b90a7b33a78c63cdb6badf2ec383 , < 3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da (git)
Affected: b482cd2053e3b90a7b33a78c63cdb6badf2ec383 , < 33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3 (git)
Affected: b482cd2053e3b90a7b33a78c63cdb6badf2ec383 , < 84b2cc7b36b7f6957d307fb3d01603f93cb2d655 (git)
Affected: b482cd2053e3b90a7b33a78c63cdb6badf2ec383 , < dc1bc903970bdf63ca40ab923d3ccb765da9a8d9 (git)
Affected: b482cd2053e3b90a7b33a78c63cdb6badf2ec383 , < 1dddeceb26002cfea4c375e92ac6498768dc7349 (git)
Affected: b482cd2053e3b90a7b33a78c63cdb6badf2ec383 , < 3ad47c8aa5648226184415e4a0cb1bf67ffbfd48 (git)
Affected: b482cd2053e3b90a7b33a78c63cdb6badf2ec383 , < fe69230f05897b3de758427b574fc98025dfc907 (git)
Create a notification for this product.
    Linux Linux Affected: 2.6.35
Unaffected: 0 , < 2.6.35 (semver)
Unaffected: 4.14.303 , ≤ 4.14.* (semver)
Unaffected: 4.19.270 , ≤ 4.19.* (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.87 , ≤ 5.15.* (semver)
Unaffected: 6.0.19 , ≤ 6.0.* (semver)
Unaffected: 6.1.5 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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\"84b2cc7b36b7f6957d307fb3d01603f93cb2d655\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b482cd2053e3b90a7b33a78c63cdb6badf2ec383\", \"lessThan\": \"dc1bc903970bdf63ca40ab923d3ccb765da9a8d9\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b482cd2053e3b90a7b33a78c63cdb6badf2ec383\", \"lessThan\": \"1dddeceb26002cfea4c375e92ac6498768dc7349\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b482cd2053e3b90a7b33a78c63cdb6badf2ec383\", \"lessThan\": \"3ad47c8aa5648226184415e4a0cb1bf67ffbfd48\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b482cd2053e3b90a7b33a78c63cdb6badf2ec383\", \"lessThan\": \"fe69230f05897b3de758427b574fc98025dfc907\", \"versionType\": \"git\"}], \"programFiles\": [\"net/caif/cfctrl.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.35\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.35\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.14.303\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.270\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.229\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.163\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.87\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.0.19\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.2\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/caif/cfctrl.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/badea57569db04b010e922e29a7aaf40a979a70b\"}, {\"url\": \"https://git.kernel.org/stable/c/3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da\"}, {\"url\": \"https://git.kernel.org/stable/c/33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3\"}, {\"url\": \"https://git.kernel.org/stable/c/84b2cc7b36b7f6957d307fb3d01603f93cb2d655\"}, {\"url\": \"https://git.kernel.org/stable/c/dc1bc903970bdf63ca40ab923d3ccb765da9a8d9\"}, {\"url\": \"https://git.kernel.org/stable/c/1dddeceb26002cfea4c375e92ac6498768dc7349\"}, {\"url\": \"https://git.kernel.org/stable/c/3ad47c8aa5648226184415e4a0cb1bf67ffbfd48\"}, {\"url\": \"https://git.kernel.org/stable/c/fe69230f05897b3de758427b574fc98025dfc907\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncaif: fix memory leak in cfctrl_linkup_request()\\n\\nWhen linktype is unknown or kzalloc failed in cfctrl_linkup_request(),\\npkt is not released. Add release process to error path.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.303\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.270\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.229\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.163\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.87\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0.19\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.5\", \"versionStartIncluding\": \"2.6.35\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.2\", \"versionStartIncluding\": \"2.6.35\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-09-16T16:12:06.005Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-53330\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-14T18:32:59.687Z\", \"dateReserved\": \"2025-09-16T16:08:59.564Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-16T16:12:06.005Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

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.