{"id":"CVE-2026-98355","state":"PUBLISHED","title":"RDMA/rtrs: guard against null kobj name","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rtrs: guard against null kobj name\n\nIn the client, if `init_path()` errors, the callee tries to clean up\nwith `rtrs_clt_close_conns()`. However, this can lead to calling the\nevent tracing code with `clt_path->kobj->name` being `NULL` and thus\ncausing a null pointer dereference when trying to copy from it.\n\nThis just adds a guard to check that the name is not `NULL` before\ncopying from it. The server appears to have a similar pattern.","publishedAt":"2026-10-06T08:46:42.583Z","updatedAt":"2026-10-19T09:18:05.923Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5a93929d9f9a1d82946ddd49e260b6dd1756ad6d","status":"affected","lessThan":"f79cf42ff23f9120246cd6740eaa26f59c632a4a","versionType":"git"},{"version":"5a93929d9f9a1d82946ddd49e260b6dd1756ad6d","status":"affected","lessThan":"99c24a8968ebef0573825b5cb89d5985d51635b9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h","drivers/infiniband/ulp/rtrs/rtrs-srv-trace.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h","drivers/infiniband/ulp/rtrs/rtrs-srv-trace.h"]}],"references":["https://git.kernel.org/stable/c/f79cf42ff23f9120246cd6740eaa26f59c632a4a","https://git.kernel.org/stable/c/99c24a8968ebef0573825b5cb89d5985d51635b9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98355.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98355","state":"PUBLISHED","datePublished":"2026-10-06T08:46:42.583Z","dateUpdated":"2026-10-19T09:18:05.923Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.344Z"},"containers":{"cna":{"title":"RDMA/rtrs: guard against null kobj name","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rtrs: guard against null kobj name\n\nIn the client, if `init_path()` errors, the callee tries to clean up\nwith `rtrs_clt_close_conns()`. However, this can lead to calling the\nevent tracing code with `clt_path->kobj->name` being `NULL` and thus\ncausing a null pointer dereference when trying to copy from it.\n\nThis just adds a guard to check that the name is not `NULL` before\ncopying from it. The server appears to have a similar pattern."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5a93929d9f9a1d82946ddd49e260b6dd1756ad6d","status":"affected","lessThan":"f79cf42ff23f9120246cd6740eaa26f59c632a4a","versionType":"git"},{"version":"5a93929d9f9a1d82946ddd49e260b6dd1756ad6d","status":"affected","lessThan":"99c24a8968ebef0573825b5cb89d5985d51635b9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h","drivers/infiniband/ulp/rtrs/rtrs-srv-trace.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h","drivers/infiniband/ulp/rtrs/rtrs-srv-trace.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/f79cf42ff23f9120246cd6740eaa26f59c632a4a"},{"url":"https://git.kernel.org/stable/c/99c24a8968ebef0573825b5cb89d5985d51635b9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:18:05.923Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}