{"id":"CVE-2023-53334","state":"PUBLISHED","title":"USB: chipidea: fix memory leak with using debugfs_lookup()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: chipidea: fix memory leak with using debugfs_lookup()\n\nWhen calling debugfs_lookup() the result must have dput() called on it,\notherwise the memory will leak over time.  To make things simpler, just\ncall debugfs_lookup_and_remove() instead which handles all of the logic\nat once.","publishedAt":"2025-09-16T16:12:09.226Z","updatedAt":"2026-05-11T19:42:56.350Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8f6c7c5a11ec599be524190122a56dbb730069a3","status":"affected","lessThan":"4322661af6d7a586a5798ab9aa443f49895b6943","versionType":"git"},{"version":"8f6c7c5a11ec599be524190122a56dbb730069a3","status":"affected","lessThan":"610373dd354f3d393aa3bdcab59f55024c16b5e5","versionType":"git"},{"version":"8f6c7c5a11ec599be524190122a56dbb730069a3","status":"affected","lessThan":"972e0682f6e3ee6ecf002657df4aaa511d51dd6c","versionType":"git"},{"version":"8f6c7c5a11ec599be524190122a56dbb730069a3","status":"affected","lessThan":"ff35f3ea3baba5b81416ac02d005cfbf6dd182fa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/chipidea/debug.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.100","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.18","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.5","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/chipidea/debug.c"]}],"references":["https://git.kernel.org/stable/c/4322661af6d7a586a5798ab9aa443f49895b6943","https://git.kernel.org/stable/c/610373dd354f3d393aa3bdcab59f55024c16b5e5","https://git.kernel.org/stable/c/972e0682f6e3ee6ecf002657df4aaa511d51dd6c","https://git.kernel.org/stable/c/ff35f3ea3baba5b81416ac02d005cfbf6dd182fa"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53334.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53334","state":"PUBLISHED","datePublished":"2025-09-16T16:12:09.226Z","dateUpdated":"2026-05-11T19:42:56.350Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-16T16:08:59.565Z"},"containers":{"cna":{"title":"USB: chipidea: fix memory leak with using debugfs_lookup()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: chipidea: fix memory leak with using debugfs_lookup()\n\nWhen calling debugfs_lookup() the result must have dput() called on it,\notherwise the memory will leak over time.  To make things simpler, just\ncall debugfs_lookup_and_remove() instead which handles all of the logic\nat once."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8f6c7c5a11ec599be524190122a56dbb730069a3","status":"affected","lessThan":"4322661af6d7a586a5798ab9aa443f49895b6943","versionType":"git"},{"version":"8f6c7c5a11ec599be524190122a56dbb730069a3","status":"affected","lessThan":"610373dd354f3d393aa3bdcab59f55024c16b5e5","versionType":"git"},{"version":"8f6c7c5a11ec599be524190122a56dbb730069a3","status":"affected","lessThan":"972e0682f6e3ee6ecf002657df4aaa511d51dd6c","versionType":"git"},{"version":"8f6c7c5a11ec599be524190122a56dbb730069a3","status":"affected","lessThan":"ff35f3ea3baba5b81416ac02d005cfbf6dd182fa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/chipidea/debug.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.100","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.18","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.5","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/chipidea/debug.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4322661af6d7a586a5798ab9aa443f49895b6943"},{"url":"https://git.kernel.org/stable/c/610373dd354f3d393aa3bdcab59f55024c16b5e5"},{"url":"https://git.kernel.org/stable/c/972e0682f6e3ee6ecf002657df4aaa511d51dd6c"},{"url":"https://git.kernel.org/stable/c/ff35f3ea3baba5b81416ac02d005cfbf6dd182fa"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:42:56.350Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.15.100"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"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-2023-53334","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:31:02.230769Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","lang":"en","type":"CWE","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T18:33:00.517Z"}}]}}}