{"id":"CVE-2023-53050","state":"PUBLISHED","title":"thunderbolt: Fix memory leak in margining","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Fix memory leak in margining\n\nMemory for the usb4->margining needs to be relased for the upstream port\nof the router as well, even though the debugfs directory gets released\nwith the router device removal. Fix this.","publishedAt":"2025-05-02T15:55:06.355Z","updatedAt":"2026-05-11T19:37:35.707Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0f1e0c2a6990922818d6616a48d3d92bb7ddac1","status":"affected","lessThan":"f390095bbd131ec2dfb29792d9f6fd0f0656bfc0","versionType":"git"},{"version":"d0f1e0c2a6990922818d6616a48d3d92bb7ddac1","status":"affected","lessThan":"0b357b360e671688f9bf38ff94300515b68bc247","versionType":"git"},{"version":"d0f1e0c2a6990922818d6616a48d3d92bb7ddac1","status":"affected","lessThan":"acec726473822bc6b585961f4ca2a11fa7f28341","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.22","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","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/thunderbolt/debugfs.c"]}],"references":["https://git.kernel.org/stable/c/f390095bbd131ec2dfb29792d9f6fd0f0656bfc0","https://git.kernel.org/stable/c/0b357b360e671688f9bf38ff94300515b68bc247","https://git.kernel.org/stable/c/acec726473822bc6b585961f4ca2a11fa7f28341"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53050.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53050","state":"PUBLISHED","datePublished":"2025-05-02T15:55:06.355Z","dateUpdated":"2026-05-11T19:37:35.707Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:18:43.828Z"},"containers":{"cna":{"title":"thunderbolt: Fix memory leak in margining","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Fix memory leak in margining\n\nMemory for the usb4->margining needs to be relased for the upstream port\nof the router as well, even though the debugfs directory gets released\nwith the router device removal. Fix this."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0f1e0c2a6990922818d6616a48d3d92bb7ddac1","status":"affected","lessThan":"f390095bbd131ec2dfb29792d9f6fd0f0656bfc0","versionType":"git"},{"version":"d0f1e0c2a6990922818d6616a48d3d92bb7ddac1","status":"affected","lessThan":"0b357b360e671688f9bf38ff94300515b68bc247","versionType":"git"},{"version":"d0f1e0c2a6990922818d6616a48d3d92bb7ddac1","status":"affected","lessThan":"acec726473822bc6b585961f4ca2a11fa7f28341","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.22","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","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/thunderbolt/debugfs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f390095bbd131ec2dfb29792d9f6fd0f0656bfc0"},{"url":"https://git.kernel.org/stable/c/0b357b360e671688f9bf38ff94300515b68bc247"},{"url":"https://git.kernel.org/stable/c/acec726473822bc6b585961f4ca2a11fa7f28341"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:37:35.707Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}