{"id":"CVE-2023-52789","state":"PUBLISHED","title":"tty: vcc: Add check for kstrdup() in vcc_probe()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: vcc: Add check for kstrdup() in vcc_probe()\n\nAdd check for the return value of kstrdup() and return the error, if it\nfails in order to avoid NULL pointer dereference.","publishedAt":"2024-05-21T15:31:05.616Z","updatedAt":"2026-05-11T19:33:10.852Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"38cd56fc9de78bf3c878790785e8c231116ef9d3","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"909963e0c16778cec28efb1affc21558825f4200","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"460284dfb10b207980c6f3f7046e33446ceb38ac","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"4ef41a7f33ffe1a335e7db7e1564ddc6afad47cc","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"6c80f48912b5bd4965352d1a9a989e21743a4a06","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"7cebc86481bf16049e266f6774d90f2fd4f8d5d2","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"4a24a31826246b15477399febd13292b0c9f0ee9","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"8f8771757b130383732195497e47fba2aba76d3a","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"d81ffb87aaa75f842cd7aa57091810353755b3e6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/vcc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"4.14.331","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.300","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.262","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.202","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.140","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.64","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.13","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6.3","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/vcc.c"]}],"references":["https://git.kernel.org/stable/c/38cd56fc9de78bf3c878790785e8c231116ef9d3","https://git.kernel.org/stable/c/909963e0c16778cec28efb1affc21558825f4200","https://git.kernel.org/stable/c/460284dfb10b207980c6f3f7046e33446ceb38ac","https://git.kernel.org/stable/c/4ef41a7f33ffe1a335e7db7e1564ddc6afad47cc","https://git.kernel.org/stable/c/6c80f48912b5bd4965352d1a9a989e21743a4a06","https://git.kernel.org/stable/c/7cebc86481bf16049e266f6774d90f2fd4f8d5d2","https://git.kernel.org/stable/c/4a24a31826246b15477399febd13292b0c9f0ee9","https://git.kernel.org/stable/c/8f8771757b130383732195497e47fba2aba76d3a","https://git.kernel.org/stable/c/d81ffb87aaa75f842cd7aa57091810353755b3e6"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52789.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52789","state":"PUBLISHED","datePublished":"2024-05-21T15:31:05.616Z","dateUpdated":"2026-05-11T19:33:10.852Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-21T15:19:24.241Z"},"containers":{"cna":{"title":"tty: vcc: Add check for kstrdup() in vcc_probe()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: vcc: Add check for kstrdup() in vcc_probe()\n\nAdd check for the return value of kstrdup() and return the error, if it\nfails in order to avoid NULL pointer dereference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"38cd56fc9de78bf3c878790785e8c231116ef9d3","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"909963e0c16778cec28efb1affc21558825f4200","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"460284dfb10b207980c6f3f7046e33446ceb38ac","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"4ef41a7f33ffe1a335e7db7e1564ddc6afad47cc","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"6c80f48912b5bd4965352d1a9a989e21743a4a06","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"7cebc86481bf16049e266f6774d90f2fd4f8d5d2","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"4a24a31826246b15477399febd13292b0c9f0ee9","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"8f8771757b130383732195497e47fba2aba76d3a","versionType":"git"},{"version":"5d171050e28f823aeb040f2830da4d3422b54b63","status":"affected","lessThan":"d81ffb87aaa75f842cd7aa57091810353755b3e6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/vcc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"4.14.331","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.300","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.262","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.202","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.140","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.64","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.13","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6.3","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/vcc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/38cd56fc9de78bf3c878790785e8c231116ef9d3"},{"url":"https://git.kernel.org/stable/c/909963e0c16778cec28efb1affc21558825f4200"},{"url":"https://git.kernel.org/stable/c/460284dfb10b207980c6f3f7046e33446ceb38ac"},{"url":"https://git.kernel.org/stable/c/4ef41a7f33ffe1a335e7db7e1564ddc6afad47cc"},{"url":"https://git.kernel.org/stable/c/6c80f48912b5bd4965352d1a9a989e21743a4a06"},{"url":"https://git.kernel.org/stable/c/7cebc86481bf16049e266f6774d90f2fd4f8d5d2"},{"url":"https://git.kernel.org/stable/c/4a24a31826246b15477399febd13292b0c9f0ee9"},{"url":"https://git.kernel.org/stable/c/8f8771757b130383732195497e47fba2aba76d3a"},{"url":"https://git.kernel.org/stable/c/d81ffb87aaa75f842cd7aa57091810353755b3e6"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:33:10.852Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"4.14.331"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"4.19.300"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.4.262"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.10.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.15.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.1.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.5.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.6.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.7"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52789","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-21T17:26:54.599134Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T17:23:29.225Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/38cd56fc9de78bf3c878790785e8c231116ef9d3","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/909963e0c16778cec28efb1affc21558825f4200","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/460284dfb10b207980c6f3f7046e33446ceb38ac","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/4ef41a7f33ffe1a335e7db7e1564ddc6afad47cc","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6c80f48912b5bd4965352d1a9a989e21743a4a06","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7cebc86481bf16049e266f6774d90f2fd4f8d5d2","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/4a24a31826246b15477399febd13292b0c9f0ee9","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/8f8771757b130383732195497e47fba2aba76d3a","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d81ffb87aaa75f842cd7aa57091810353755b3e6","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T23:11:35.668Z"}}]}}}