{"id":"CVE-2023-53687","state":"PUBLISHED","title":"tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk\n\nWhen the best clk is searched, we iterate over all possible clk.\n\nIf we find a better match, the previous one, if any, needs to be freed.\nIf a better match has already been found, we still need to free the new\none, otherwise it leaks.","publishedAt":"2025-10-07T15:21:39.542Z","updatedAt":"2026-05-11T19:49:58.704Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"933e5b2998bc3a527d15efbf1e97c9e63297aa3c","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"01dd8a43a84616c830782166ba3cceb01ad95363","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"46574e5a0a2aee41e6ebb979cfe1dbaea8693e16","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"1962717c4649e026a4252fe6625175affd28a593","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"9dd8091959bc41fee51d0827276a2b982e84adf0","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"f0bf102ef9b05d7294bd8d506755465f6867d944","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"1f426293fef1c13742b2a685bf7e363f51f6ee03","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"832e231cff476102e8204a9e7bddfe5c6154a375","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/samsung_tty.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.3","versionType":"semver"},{"version":"4.14.322","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.291","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.251","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.188","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.121","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.40","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.5","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/tty/serial/samsung_tty.c"]}],"references":["https://git.kernel.org/stable/c/933e5b2998bc3a527d15efbf1e97c9e63297aa3c","https://git.kernel.org/stable/c/01dd8a43a84616c830782166ba3cceb01ad95363","https://git.kernel.org/stable/c/46574e5a0a2aee41e6ebb979cfe1dbaea8693e16","https://git.kernel.org/stable/c/1962717c4649e026a4252fe6625175affd28a593","https://git.kernel.org/stable/c/9dd8091959bc41fee51d0827276a2b982e84adf0","https://git.kernel.org/stable/c/f0bf102ef9b05d7294bd8d506755465f6867d944","https://git.kernel.org/stable/c/1f426293fef1c13742b2a685bf7e363f51f6ee03","https://git.kernel.org/stable/c/832e231cff476102e8204a9e7bddfe5c6154a375"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53687.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53687","state":"PUBLISHED","datePublished":"2025-10-07T15:21:39.542Z","dateUpdated":"2026-05-11T19:49:58.704Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-07T15:16:59.665Z"},"containers":{"cna":{"title":"tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk\n\nWhen the best clk is searched, we iterate over all possible clk.\n\nIf we find a better match, the previous one, if any, needs to be freed.\nIf a better match has already been found, we still need to free the new\none, otherwise it leaks."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"933e5b2998bc3a527d15efbf1e97c9e63297aa3c","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"01dd8a43a84616c830782166ba3cceb01ad95363","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"46574e5a0a2aee41e6ebb979cfe1dbaea8693e16","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"1962717c4649e026a4252fe6625175affd28a593","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"9dd8091959bc41fee51d0827276a2b982e84adf0","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"f0bf102ef9b05d7294bd8d506755465f6867d944","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"1f426293fef1c13742b2a685bf7e363f51f6ee03","versionType":"git"},{"version":"5f5a7a5578c5885201cf9c85856f023fe8b81765","status":"affected","lessThan":"832e231cff476102e8204a9e7bddfe5c6154a375","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/samsung_tty.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.3","versionType":"semver"},{"version":"4.14.322","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.291","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.251","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.188","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.121","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.40","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.5","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/tty/serial/samsung_tty.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/933e5b2998bc3a527d15efbf1e97c9e63297aa3c"},{"url":"https://git.kernel.org/stable/c/01dd8a43a84616c830782166ba3cceb01ad95363"},{"url":"https://git.kernel.org/stable/c/46574e5a0a2aee41e6ebb979cfe1dbaea8693e16"},{"url":"https://git.kernel.org/stable/c/1962717c4649e026a4252fe6625175affd28a593"},{"url":"https://git.kernel.org/stable/c/9dd8091959bc41fee51d0827276a2b982e84adf0"},{"url":"https://git.kernel.org/stable/c/f0bf102ef9b05d7294bd8d506755465f6867d944"},{"url":"https://git.kernel.org/stable/c/1f426293fef1c13742b2a685bf7e363f51f6ee03"},{"url":"https://git.kernel.org/stable/c/832e231cff476102e8204a9e7bddfe5c6154a375"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:49:58.704Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"4.14.322"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"4.19.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.4.251"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.10.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.15.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.1.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.4.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}