{"id":"CVE-2023-52457","state":"PUBLISHED","title":"serial: 8250: omap: Don't skip resource freeing if pm_runtime_resume_and_get() failed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: 8250: omap: Don't skip resource freeing if pm_runtime_resume_and_get() failed\n\nReturning an error code from .remove() makes the driver core emit the\nlittle helpful error message:\n\n\tremove callback returned a non-zero value. This will be ignored.\n\nand then remove the device anyhow. So all resources that were not freed\nare leaked in this case. Skipping serial8250_unregister_port() has the\npotential to keep enough of the UART around to trigger a use-after-free.\n\nSo replace the error return (and with it the little helpful error\nmessage) by a more useful error message and continue to cleanup.","publishedAt":"2024-02-23T14:46:19.772Z","updatedAt":"2026-05-23T15:25:32.671Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2d66412563ef8953e2bac2d98d2d832b3f3f49cd","status":"affected","lessThan":"b502fb43f7fb55aaf07f6092ab44657595214b93","versionType":"git"},{"version":"d833cba201adf9237168e19f0d76e4d7aa69f303","status":"affected","lessThan":"bc57f3ef8a9eb0180606696f586a6dcfaa175ed0","versionType":"git"},{"version":"e0db709a58bdeb8966890882261a3f8438c5c9b7","status":"affected","lessThan":"828cd829483f0cda920710997aed79130b0af690","versionType":"git"},{"version":"e3f0c638f428fd66b5871154b62706772045f91a","status":"affected","lessThan":"d74173bda29aba58f822175d983d07c8ed335494","versionType":"git"},{"version":"e3f0c638f428fd66b5871154b62706772045f91a","status":"affected","lessThan":"887a558d0298d36297daea039954c39940228d9b","versionType":"git"},{"version":"e3f0c638f428fd66b5871154b62706772045f91a","status":"affected","lessThan":"95e4e0031effad9837af557ecbfd4294a4d8aeee","versionType":"git"},{"version":"e3f0c638f428fd66b5871154b62706772045f91a","status":"affected","lessThan":"ad90d0358bd3b4554f243a425168fc7cebe7d04e","versionType":"git"},{"version":"02eed6390dbe61115f3e3f63829c95c611aee67b","status":"affected","versionType":"git"},{"version":"5.4.225","status":"affected","lessThan":"5.4.268","versionType":"semver"},{"version":"5.10.156","status":"affected","lessThan":"5.10.209","versionType":"semver"},{"version":"5.15.80","status":"affected","lessThan":"5.15.148","versionType":"semver"},{"version":"6.0.10","status":"affected","lessThan":"6.1","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/8250/8250_omap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"5.4.268","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.209","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.148","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.75","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.14","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.2","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","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/8250/8250_omap.c"]}],"references":["https://git.kernel.org/stable/c/b502fb43f7fb55aaf07f6092ab44657595214b93","https://git.kernel.org/stable/c/bc57f3ef8a9eb0180606696f586a6dcfaa175ed0","https://git.kernel.org/stable/c/828cd829483f0cda920710997aed79130b0af690","https://git.kernel.org/stable/c/d74173bda29aba58f822175d983d07c8ed335494","https://git.kernel.org/stable/c/887a558d0298d36297daea039954c39940228d9b","https://git.kernel.org/stable/c/95e4e0031effad9837af557ecbfd4294a4d8aeee","https://git.kernel.org/stable/c/ad90d0358bd3b4554f243a425168fc7cebe7d04e","https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52457.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52457","state":"PUBLISHED","datePublished":"2024-02-23T14:46:19.772Z","dateUpdated":"2026-05-23T15:25:32.671Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-20T12:30:33.294Z"},"containers":{"cna":{"title":"serial: 8250: omap: Don't skip resource freeing if pm_runtime_resume_and_get() failed","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: 8250: omap: Don't skip resource freeing if pm_runtime_resume_and_get() failed\n\nReturning an error code from .remove() makes the driver core emit the\nlittle helpful error message:\n\n\tremove callback returned a non-zero value. This will be ignored.\n\nand then remove the device anyhow. So all resources that were not freed\nare leaked in this case. Skipping serial8250_unregister_port() has the\npotential to keep enough of the UART around to trigger a use-after-free.\n\nSo replace the error return (and with it the little helpful error\nmessage) by a more useful error message and continue to cleanup."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2d66412563ef8953e2bac2d98d2d832b3f3f49cd","status":"affected","lessThan":"b502fb43f7fb55aaf07f6092ab44657595214b93","versionType":"git"},{"version":"d833cba201adf9237168e19f0d76e4d7aa69f303","status":"affected","lessThan":"bc57f3ef8a9eb0180606696f586a6dcfaa175ed0","versionType":"git"},{"version":"e0db709a58bdeb8966890882261a3f8438c5c9b7","status":"affected","lessThan":"828cd829483f0cda920710997aed79130b0af690","versionType":"git"},{"version":"e3f0c638f428fd66b5871154b62706772045f91a","status":"affected","lessThan":"d74173bda29aba58f822175d983d07c8ed335494","versionType":"git"},{"version":"e3f0c638f428fd66b5871154b62706772045f91a","status":"affected","lessThan":"887a558d0298d36297daea039954c39940228d9b","versionType":"git"},{"version":"e3f0c638f428fd66b5871154b62706772045f91a","status":"affected","lessThan":"95e4e0031effad9837af557ecbfd4294a4d8aeee","versionType":"git"},{"version":"e3f0c638f428fd66b5871154b62706772045f91a","status":"affected","lessThan":"ad90d0358bd3b4554f243a425168fc7cebe7d04e","versionType":"git"},{"version":"02eed6390dbe61115f3e3f63829c95c611aee67b","status":"affected","versionType":"git"},{"version":"5.4.225","status":"affected","lessThan":"5.4.268","versionType":"semver"},{"version":"5.10.156","status":"affected","lessThan":"5.10.209","versionType":"semver"},{"version":"5.15.80","status":"affected","lessThan":"5.15.148","versionType":"semver"},{"version":"6.0.10","status":"affected","lessThan":"6.1","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/8250/8250_omap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"5.4.268","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.209","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.148","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.75","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.14","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.2","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","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/8250/8250_omap.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b502fb43f7fb55aaf07f6092ab44657595214b93"},{"url":"https://git.kernel.org/stable/c/bc57f3ef8a9eb0180606696f586a6dcfaa175ed0"},{"url":"https://git.kernel.org/stable/c/828cd829483f0cda920710997aed79130b0af690"},{"url":"https://git.kernel.org/stable/c/d74173bda29aba58f822175d983d07c8ed335494"},{"url":"https://git.kernel.org/stable/c/887a558d0298d36297daea039954c39940228d9b"},{"url":"https://git.kernel.org/stable/c/95e4e0031effad9837af557ecbfd4294a4d8aeee"},{"url":"https://git.kernel.org/stable/c/ad90d0358bd3b4554f243a425168fc7cebe7d04e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:25:32.671Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.225","versionEndExcluding":"5.4.268"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.156","versionEndExcluding":"5.10.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.80","versionEndExcluding":"5.15.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.6.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.7.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0.10"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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