{"id":"CVE-2025-38452","state":"PUBLISHED","title":"net: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe()\n\nAdd check for the return value of rcar_gen4_ptp_alloc()\nto prevent potential null pointer dereference.","publishedAt":"2025-07-25T15:27:32.709Z","updatedAt":"2026-05-11T21:28:16.887Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b0d3969d2b4db82602492cad576b8de494a12ddf","status":"affected","lessThan":"9f260e16b297f8134c5f90bb5a20e805ff57e853","versionType":"git"},{"version":"b0d3969d2b4db82602492cad576b8de494a12ddf","status":"affected","lessThan":"d52eb4f0e0ca9a5213b8795abbeb11a325d9b22d","versionType":"git"},{"version":"b0d3969d2b4db82602492cad576b8de494a12ddf","status":"affected","lessThan":"95a234f6affbf51f06338383537ab80d637bb785","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/renesas/rtsn.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.39","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.7","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/net/ethernet/renesas/rtsn.c"]}],"references":["https://git.kernel.org/stable/c/9f260e16b297f8134c5f90bb5a20e805ff57e853","https://git.kernel.org/stable/c/d52eb4f0e0ca9a5213b8795abbeb11a325d9b22d","https://git.kernel.org/stable/c/95a234f6affbf51f06338383537ab80d637bb785"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38452.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38452","state":"PUBLISHED","datePublished":"2025-07-25T15:27:32.709Z","dateUpdated":"2026-05-11T21:28:16.887Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.018Z"},"containers":{"cna":{"title":"net: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe()\n\nAdd check for the return value of rcar_gen4_ptp_alloc()\nto prevent potential null pointer dereference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b0d3969d2b4db82602492cad576b8de494a12ddf","status":"affected","lessThan":"9f260e16b297f8134c5f90bb5a20e805ff57e853","versionType":"git"},{"version":"b0d3969d2b4db82602492cad576b8de494a12ddf","status":"affected","lessThan":"d52eb4f0e0ca9a5213b8795abbeb11a325d9b22d","versionType":"git"},{"version":"b0d3969d2b4db82602492cad576b8de494a12ddf","status":"affected","lessThan":"95a234f6affbf51f06338383537ab80d637bb785","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/renesas/rtsn.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.39","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.7","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/net/ethernet/renesas/rtsn.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9f260e16b297f8134c5f90bb5a20e805ff57e853"},{"url":"https://git.kernel.org/stable/c/d52eb4f0e0ca9a5213b8795abbeb11a325d9b22d"},{"url":"https://git.kernel.org/stable/c/95a234f6affbf51f06338383537ab80d637bb785"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:28:16.887Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.15.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}