{"id":"CVE-2025-38135","state":"PUBLISHED","title":"serial: Fix potential null-ptr-deref in mlb_usio_probe()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: Fix potential null-ptr-deref in mlb_usio_probe()\n\ndevm_ioremap() can return NULL on error. Currently, mlb_usio_probe()\ndoes not check for this case, which could result in a NULL pointer\ndereference.\n\nAdd NULL check after devm_ioremap() to prevent this issue.","publishedAt":"2025-07-03T08:35:38.295Z","updatedAt":"2026-05-11T21:21:56.297Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"a05ebe384c7ca75476453f3070c67d9cf1d1a89f","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"81159a6b064142b993f2f39828b77e199c77872a","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"19fd9f5a69363d33079097d866eb6082d61bf31d","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"548b0e81b9a0902a8bc8259430ed965663baadfc","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"a6c7c365734cd0fa1c5aa225a6294fdf80cad2ea","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"c23d87b43f7dba5eb12820f6cf21a1cd4f63eb3d","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"e1b144aebe6fb898d96ced8c990d7aa38fda4a7a","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"86bcae88c9209e334b2f8c252f4cc66beb261886","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/milbeaut_usio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"5.4.295","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.239","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.186","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.142","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.94","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.34","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.3","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","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/milbeaut_usio.c"]}],"references":["https://git.kernel.org/stable/c/a05ebe384c7ca75476453f3070c67d9cf1d1a89f","https://git.kernel.org/stable/c/81159a6b064142b993f2f39828b77e199c77872a","https://git.kernel.org/stable/c/19fd9f5a69363d33079097d866eb6082d61bf31d","https://git.kernel.org/stable/c/548b0e81b9a0902a8bc8259430ed965663baadfc","https://git.kernel.org/stable/c/a6c7c365734cd0fa1c5aa225a6294fdf80cad2ea","https://git.kernel.org/stable/c/c23d87b43f7dba5eb12820f6cf21a1cd4f63eb3d","https://git.kernel.org/stable/c/e1b144aebe6fb898d96ced8c990d7aa38fda4a7a","https://git.kernel.org/stable/c/86bcae88c9209e334b2f8c252f4cc66beb261886","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38135.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38135","state":"PUBLISHED","datePublished":"2025-07-03T08:35:38.295Z","dateUpdated":"2026-05-11T21:21:56.297Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.987Z"},"containers":{"cna":{"title":"serial: Fix potential null-ptr-deref in mlb_usio_probe()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: Fix potential null-ptr-deref in mlb_usio_probe()\n\ndevm_ioremap() can return NULL on error. Currently, mlb_usio_probe()\ndoes not check for this case, which could result in a NULL pointer\ndereference.\n\nAdd NULL check after devm_ioremap() to prevent this issue."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"a05ebe384c7ca75476453f3070c67d9cf1d1a89f","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"81159a6b064142b993f2f39828b77e199c77872a","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"19fd9f5a69363d33079097d866eb6082d61bf31d","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"548b0e81b9a0902a8bc8259430ed965663baadfc","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"a6c7c365734cd0fa1c5aa225a6294fdf80cad2ea","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"c23d87b43f7dba5eb12820f6cf21a1cd4f63eb3d","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"e1b144aebe6fb898d96ced8c990d7aa38fda4a7a","versionType":"git"},{"version":"ba44dc04300441b47618f9933bf36e75a280e5fe","status":"affected","lessThan":"86bcae88c9209e334b2f8c252f4cc66beb261886","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/milbeaut_usio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"5.4.295","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.239","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.186","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.142","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.94","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.34","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.3","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","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/milbeaut_usio.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a05ebe384c7ca75476453f3070c67d9cf1d1a89f"},{"url":"https://git.kernel.org/stable/c/81159a6b064142b993f2f39828b77e199c77872a"},{"url":"https://git.kernel.org/stable/c/19fd9f5a69363d33079097d866eb6082d61bf31d"},{"url":"https://git.kernel.org/stable/c/548b0e81b9a0902a8bc8259430ed965663baadfc"},{"url":"https://git.kernel.org/stable/c/a6c7c365734cd0fa1c5aa225a6294fdf80cad2ea"},{"url":"https://git.kernel.org/stable/c/c23d87b43f7dba5eb12820f6cf21a1cd4f63eb3d"},{"url":"https://git.kernel.org/stable/c/e1b144aebe6fb898d96ced8c990d7aa38fda4a7a"},{"url":"https://git.kernel.org/stable/c/86bcae88c9209e334b2f8c252f4cc66beb261886"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:21:56.297Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.4.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.10.239"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.15.186"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.1.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.6.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.12.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.15.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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