{"id":"CVE-2026-93108","state":"PUBLISHED","title":"RDMA/ipoib: Drain RCU callbacks during module teardown","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ipoib: Drain RCU callbacks during module teardown\n\nIPoIB reclamation completions can be signaled from inside an RCU callback.\nTeardown can wake before the callback returns and unload ib_ipoib while its\ncode is still executing.\n\nClient registration failure can also remove already-added devices and queue\ncallbacks. Wait after client and workqueue teardown.","publishedAt":"2026-09-17T16:11:18.455Z","updatedAt":"2026-10-19T09:05:40.951Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"bb9c23733a0c50e136bd40c27cb60023cc58e22c","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"4a6dc313f9661f80e4ed43461d7ed5615c2450ca","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"d8917353966d1d5a486437dd0dd68a2cf8ecb136","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"7bc08d7f9338c9f9c09965e5d020591c793a80cb","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"2b3330cfc097db2d31f47ad09261967630270d66","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"24ce944721dcd92ae62e7a448d770e2a3e79f5fd","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"31b7c700670830a0e8a4cdcd451c88a13cc5dc48","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/ulp/ipoib/ipoib_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.6","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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/ipoib/ipoib_main.c"]}],"references":["https://git.kernel.org/stable/c/bb9c23733a0c50e136bd40c27cb60023cc58e22c","https://git.kernel.org/stable/c/4a6dc313f9661f80e4ed43461d7ed5615c2450ca","https://git.kernel.org/stable/c/d8917353966d1d5a486437dd0dd68a2cf8ecb136","https://git.kernel.org/stable/c/7bc08d7f9338c9f9c09965e5d020591c793a80cb","https://git.kernel.org/stable/c/2b3330cfc097db2d31f47ad09261967630270d66","https://git.kernel.org/stable/c/8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf","https://git.kernel.org/stable/c/24ce944721dcd92ae62e7a448d770e2a3e79f5fd","https://git.kernel.org/stable/c/31b7c700670830a0e8a4cdcd451c88a13cc5dc48"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93108.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93108","state":"PUBLISHED","datePublished":"2026-09-17T16:11:18.455Z","dateUpdated":"2026-10-19T09:05:40.951Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.085Z"},"containers":{"cna":{"title":"RDMA/ipoib: Drain RCU callbacks during module teardown","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ipoib: Drain RCU callbacks during module teardown\n\nIPoIB reclamation completions can be signaled from inside an RCU callback.\nTeardown can wake before the callback returns and unload ib_ipoib while its\ncode is still executing.\n\nClient registration failure can also remove already-added devices and queue\ncallbacks. Wait after client and workqueue teardown."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"bb9c23733a0c50e136bd40c27cb60023cc58e22c","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"4a6dc313f9661f80e4ed43461d7ed5615c2450ca","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"d8917353966d1d5a486437dd0dd68a2cf8ecb136","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"7bc08d7f9338c9f9c09965e5d020591c793a80cb","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"2b3330cfc097db2d31f47ad09261967630270d66","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"24ce944721dcd92ae62e7a448d770e2a3e79f5fd","versionType":"git"},{"version":"b63b70d8774175b6f8393c495fe455f0fba55ce1","status":"affected","lessThan":"31b7c700670830a0e8a4cdcd451c88a13cc5dc48","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/ulp/ipoib/ipoib_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.6","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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/ipoib/ipoib_main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bb9c23733a0c50e136bd40c27cb60023cc58e22c"},{"url":"https://git.kernel.org/stable/c/4a6dc313f9661f80e4ed43461d7ed5615c2450ca"},{"url":"https://git.kernel.org/stable/c/d8917353966d1d5a486437dd0dd68a2cf8ecb136"},{"url":"https://git.kernel.org/stable/c/7bc08d7f9338c9f9c09965e5d020591c793a80cb"},{"url":"https://git.kernel.org/stable/c/2b3330cfc097db2d31f47ad09261967630270d66"},{"url":"https://git.kernel.org/stable/c/8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf"},{"url":"https://git.kernel.org/stable/c/24ce944721dcd92ae62e7a448d770e2a3e79f5fd"},{"url":"https://git.kernel.org/stable/c/31b7c700670830a0e8a4cdcd451c88a13cc5dc48"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:05:40.951Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}