{"id":"CVE-2023-53527","state":"PUBLISHED","title":"thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()\n\nThe memory allocated in tb_queue_dp_bandwidth_request() needs to be\nreleased once the request is handled to avoid leaking it.","publishedAt":"2025-10-01T11:46:12.696Z","updatedAt":"2026-05-11T19:46:41.950Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6ce3563520be90a155706bafc186fc264a13850e","status":"affected","lessThan":"0752bb32aed2c5dd85821195a507a1079c4835f7","versionType":"git"},{"version":"6ce3563520be90a155706bafc186fc264a13850e","status":"affected","lessThan":"596a5123cc782d458b057eb3837e66535cd0befa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/tb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.4.11","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/tb.c"]}],"references":["https://git.kernel.org/stable/c/0752bb32aed2c5dd85821195a507a1079c4835f7","https://git.kernel.org/stable/c/596a5123cc782d458b057eb3837e66535cd0befa"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53527.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53527","state":"PUBLISHED","datePublished":"2025-10-01T11:46:12.696Z","dateUpdated":"2026-05-11T19:46:41.950Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-01T11:39:39.408Z"},"containers":{"cna":{"title":"thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()\n\nThe memory allocated in tb_queue_dp_bandwidth_request() needs to be\nreleased once the request is handled to avoid leaking it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6ce3563520be90a155706bafc186fc264a13850e","status":"affected","lessThan":"0752bb32aed2c5dd85821195a507a1079c4835f7","versionType":"git"},{"version":"6ce3563520be90a155706bafc186fc264a13850e","status":"affected","lessThan":"596a5123cc782d458b057eb3837e66535cd0befa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/tb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.4.11","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/tb.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0752bb32aed2c5dd85821195a507a1079c4835f7"},{"url":"https://git.kernel.org/stable/c/596a5123cc782d458b057eb3837e66535cd0befa"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:46:41.950Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.4.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}