{"id":"CVE-2025-71157","state":"PUBLISHED","title":"RDMA/core: always drop device refcount in ib_del_sub_device_and_put()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: always drop device refcount in ib_del_sub_device_and_put()\n\nSince nldev_deldev() (introduced by commit 060c642b2ab8 (\"RDMA/nldev: Add\nsupport to add/delete a sub IB device through netlink\") grabs a reference\nusing ib_device_get_by_index() before calling ib_del_sub_device_and_put(),\nwe need to drop that reference before returning -EOPNOTSUPP error.","publishedAt":"2026-01-23T14:25:56.458Z","updatedAt":"2026-05-11T21:56:04.334Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bca51197620a257e2954be99b16f05115c3b2630","status":"affected","lessThan":"20436f2742a92b7afeb2504eb559a98d2196b001","versionType":"git"},{"version":"bca51197620a257e2954be99b16f05115c3b2630","status":"affected","lessThan":"fe8d456080423b9ed410469fbd1e2098d3acce2b","versionType":"git"},{"version":"bca51197620a257e2954be99b16f05115c3b2630","status":"affected","lessThan":"fa3c411d21ebc26ffd175c7256c37cefa35020aa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.4","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/device.c"]}],"references":["https://git.kernel.org/stable/c/20436f2742a92b7afeb2504eb559a98d2196b001","https://git.kernel.org/stable/c/fe8d456080423b9ed410469fbd1e2098d3acce2b","https://git.kernel.org/stable/c/fa3c411d21ebc26ffd175c7256c37cefa35020aa"],"weaknesses":[],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71157.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71157","state":"PUBLISHED","datePublished":"2026-01-23T14:25:56.458Z","dateUpdated":"2026-05-11T21:56:04.334Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:30:19.663Z"},"containers":{"cna":{"title":"RDMA/core: always drop device refcount in ib_del_sub_device_and_put()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: always drop device refcount in ib_del_sub_device_and_put()\n\nSince nldev_deldev() (introduced by commit 060c642b2ab8 (\"RDMA/nldev: Add\nsupport to add/delete a sub IB device through netlink\") grabs a reference\nusing ib_device_get_by_index() before calling ib_del_sub_device_and_put(),\nwe need to drop that reference before returning -EOPNOTSUPP error."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bca51197620a257e2954be99b16f05115c3b2630","status":"affected","lessThan":"20436f2742a92b7afeb2504eb559a98d2196b001","versionType":"git"},{"version":"bca51197620a257e2954be99b16f05115c3b2630","status":"affected","lessThan":"fe8d456080423b9ed410469fbd1e2098d3acce2b","versionType":"git"},{"version":"bca51197620a257e2954be99b16f05115c3b2630","status":"affected","lessThan":"fa3c411d21ebc26ffd175c7256c37cefa35020aa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.4","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/device.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/20436f2742a92b7afeb2504eb559a98d2196b001"},{"url":"https://git.kernel.org/stable/c/fe8d456080423b9ed410469fbd1e2098d3acce2b"},{"url":"https://git.kernel.org/stable/c/fa3c411d21ebc26ffd175c7256c37cefa35020aa"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:56:04.334Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}