{"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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/rds/rdma.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "91a44b406bc1f9e1c5da0cb7d0d5991b43b79147", "status": "affected", "version": "0d4597c8c5abdeeaf50774066c16683f30184dc8", "versionType": "git"}, {"lessThan": "106dc689206610cfa2098f593fdd1e020c997835", "status": "affected", "version": "0d4597c8c5abdeeaf50774066c16683f30184dc8", "versionType": "git"}, {"lessThan": "ec55a86f7fba7d9111df94b9c11a4755ed492995", "status": "affected", "version": "0d4597c8c5abdeeaf50774066c16683f30184dc8", "versionType": "git"}, {"lessThan": "8fdbb6262a4a3ed44a0830a7793903b54bb27bdc", "status": "affected", "version": "0d4597c8c5abdeeaf50774066c16683f30184dc8", "versionType": "git"}, {"lessThan": "d95cea9298be1ba8876e3f156be96d3a492085ca", "status": "affected", "version": "0d4597c8c5abdeeaf50774066c16683f30184dc8", "versionType": "git"}, {"lessThan": "033370ffb3c9c0264d19f8ba9ef769523266589a", "status": "affected", "version": "0d4597c8c5abdeeaf50774066c16683f30184dc8", "versionType": "git"}, {"lessThan": "b3cb8cae530b2727d8245684148bb49425f6765c", "status": "affected", "version": "0d4597c8c5abdeeaf50774066c16683f30184dc8", "versionType": "git"}, {"lessThan": "8141a2dc70080eda1aedc0389ed2db2b292af5bd", "status": "affected", "version": "0d4597c8c5abdeeaf50774066c16683f30184dc8", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/rds/rdma.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.6"}, {"lessThan": "5.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.258", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.209", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.175", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.140", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.86", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.27", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CECDB7D-8788-4E11-AE2E-F12105520BA6", "versionEndExcluding": "5.10.258", "versionStartIncluding": "5.6.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "919C10A9-7951-4A74-BADD-C135A0A8D8B4", "versionEndExcluding": "5.15.209", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "92385813-D91D-480D-83A1-F423D2CBB2BA", "versionEndExcluding": "6.1.175", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A1A92866-F406-43B5-B2D1-CFC274753E9D", "versionEndExcluding": "6.6.140", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "55DA1C62-9991-451E-B8A8-E0004E00F789", "versionEndExcluding": "6.12.86", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A10AC84F-C058-47D5-85B4-E6E51A613B74", "versionEndExcluding": "6.18.27", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDB78D6D-22C3-4154-B0D0-94AF1CE5C2E3", "versionEndExcluding": "7.0.4", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.6:-:*:*:*:*:*:*", "matchCriteriaId": "A92F7A0E-C302-4FEA-9EF3-1A3D5CF3AD54", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.6:rc3:*:*:*:*:*:*", "matchCriteriaId": "7D3107F6-EB44-4C65-AA1B-1E96923F6409", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.6:rc4:*:*:*:*:*:*", "matchCriteriaId": "DC0C894E-6323-44E5-89DD-8FB6A5C41CAF", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.6:rc5:*:*:*:*:*:*", "matchCriteriaId": "4C76EAC9-C2E6-4B6F-B002-ADBE74DDD794", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.6:rc6:*:*:*:*:*:*", "matchCriteriaId": "F13B8FBF-E007-4F60-A290-2833B45F8520", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.6:rc7:*:*:*:*:*:*", "matchCriteriaId": "CD0276C4-2C60-4C52-AC89-F96DF991B858", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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": "2026-06-17T10:52:59.187", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-05-27T14:17:24.937", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/033370ffb3c9c0264d19f8ba9ef769523266589a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/106dc689206610cfa2098f593fdd1e020c997835"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8141a2dc70080eda1aedc0389ed2db2b292af5bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8fdbb6262a4a3ed44a0830a7793903b54bb27bdc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/91a44b406bc1f9e1c5da0cb7d0d5991b43b79147"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b3cb8cae530b2727d8245684148bb49425f6765c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d95cea9298be1ba8876e3f156be96d3a492085ca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ec55a86f7fba7d9111df94b9c11a4755ed492995"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: rds: fix MR cleanup on copy error", "id": "2481966", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481966"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-763", "details": ["A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS) network protocol. When handling memory registration (MR) cleanup, specifically during the process of copying generated cookies back to user space, an error in the cleanup path could lead to resources being freed multiple times. This incorrect resource handling could result in system instability or a denial of service."], "name": "CVE-2026-46053", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46053\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46053\nhttps://lore.kernel.org/linux-cve-announce/2026052754-CVE-2026-46053-a24e@gregkh/T"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0d4597c8c5abdeeaf50774066c16683f30184dc8,8fdbb6262a4a3ed44a0830a7793903b54bb27bdc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0d4597c8c5abdeeaf50774066c16683f30184dc8,d95cea9298be1ba8876e3f156be96d3a492085ca)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0d4597c8c5abdeeaf50774066c16683f30184dc8,033370ffb3c9c0264d19f8ba9ef769523266589a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0d4597c8c5abdeeaf50774066c16683f30184dc8,b3cb8cae530b2727d8245684148bb49425f6765c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0d4597c8c5abdeeaf50774066c16683f30184dc8,8141a2dc70080eda1aedc0389ed2db2b292af5bd)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.140,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.86,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.27,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.4,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-27T20:30:40.558435+00:00", "title": "Linux Kernel RDS Transport Resource Mismanagement Leading to Potential Kernel Crash", "updated": "2026-06-18T07:45:03.626136+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}