{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46053","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.094Z","datePublished":"2026-05-27T12:57:11.870Z","dateUpdated":"2026-06-14T17:50:56.216Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:50:56.216Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: rds: fix MR cleanup on copy error\n\n__rds_rdma_map() hands sg/pages ownership to the transport after\nget_mr() succeeds. If copying the generated cookie back to user space\nfails after that point, the error path must not free those resources\nagain before dropping the MR reference.\n\nRemove the duplicate unpin/free from the put_user() failure branch so\nthat MR teardown is handled only through the existing final cleanup\npath."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rds/rdma.c"],"versions":[{"version":"0d4597c8c5abdeeaf50774066c16683f30184dc8","lessThan":"91a44b406bc1f9e1c5da0cb7d0d5991b43b79147","status":"affected","versionType":"git"},{"version":"0d4597c8c5abdeeaf50774066c16683f30184dc8","lessThan":"106dc689206610cfa2098f593fdd1e020c997835","status":"affected","versionType":"git"},{"version":"0d4597c8c5abdeeaf50774066c16683f30184dc8","lessThan":"ec55a86f7fba7d9111df94b9c11a4755ed492995","status":"affected","versionType":"git"},{"version":"0d4597c8c5abdeeaf50774066c16683f30184dc8","lessThan":"8fdbb6262a4a3ed44a0830a7793903b54bb27bdc","status":"affected","versionType":"git"},{"version":"0d4597c8c5abdeeaf50774066c16683f30184dc8","lessThan":"d95cea9298be1ba8876e3f156be96d3a492085ca","status":"affected","versionType":"git"},{"version":"0d4597c8c5abdeeaf50774066c16683f30184dc8","lessThan":"033370ffb3c9c0264d19f8ba9ef769523266589a","status":"affected","versionType":"git"},{"version":"0d4597c8c5abdeeaf50774066c16683f30184dc8","lessThan":"b3cb8cae530b2727d8245684148bb49425f6765c","status":"affected","versionType":"git"},{"version":"0d4597c8c5abdeeaf50774066c16683f30184dc8","lessThan":"8141a2dc70080eda1aedc0389ed2db2b292af5bd","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rds/rdma.c"],"versions":[{"version":"5.6","status":"affected"},{"version":"0","lessThan":"5.6","status":"unaffected","versionType":"semver"},{"version":"5.10.258","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.86","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.27","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.4","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.12.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/91a44b406bc1f9e1c5da0cb7d0d5991b43b79147"},{"url":"https://git.kernel.org/stable/c/106dc689206610cfa2098f593fdd1e020c997835"},{"url":"https://git.kernel.org/stable/c/ec55a86f7fba7d9111df94b9c11a4755ed492995"},{"url":"https://git.kernel.org/stable/c/8fdbb6262a4a3ed44a0830a7793903b54bb27bdc"},{"url":"https://git.kernel.org/stable/c/d95cea9298be1ba8876e3f156be96d3a492085ca"},{"url":"https://git.kernel.org/stable/c/033370ffb3c9c0264d19f8ba9ef769523266589a"},{"url":"https://git.kernel.org/stable/c/b3cb8cae530b2727d8245684148bb49425f6765c"},{"url":"https://git.kernel.org/stable/c/8141a2dc70080eda1aedc0389ed2db2b292af5bd"}],"title":"net: rds: fix MR cleanup on copy error","x_generator":{"engine":"bippy-1.2.0"}}}}