{"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": "2026-05-27T12:57:11.870Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:57:11.870Z"}, "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."}], "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": "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": "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-rc1", "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": "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-rc1"}]}]}], "references": [{"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"}}}}

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{"cveTags": [], "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."}], "id": "CVE-2026-46053", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T14:17:24.937", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/033370ffb3c9c0264d19f8ba9ef769523266589a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8141a2dc70080eda1aedc0389ed2db2b292af5bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8fdbb6262a4a3ed44a0830a7793903b54bb27bdc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b3cb8cae530b2727d8245684148bb49425f6765c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d95cea9298be1ba8876e3f156be96d3a492085ca"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}