{"id":"CVE-2026-46053","summary":"net: rds: fix MR cleanup on copy error","details":"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.","modified":"2026-06-18T03:54:40.643558479Z","published":"2026-05-27T12:57:11.870Z","related":["openSUSE-SU-2026:10954-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46053.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/033370ffb3c9c0264d19f8ba9ef769523266589a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/106dc689206610cfa2098f593fdd1e020c997835"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8141a2dc70080eda1aedc0389ed2db2b292af5bd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8fdbb6262a4a3ed44a0830a7793903b54bb27bdc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/91a44b406bc1f9e1c5da0cb7d0d5991b43b79147"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b3cb8cae530b2727d8245684148bb49425f6765c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d95cea9298be1ba8876e3f156be96d3a492085ca"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ec55a86f7fba7d9111df94b9c11a4755ed492995"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46053.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46053"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0d4597c8c5abdeeaf50774066c16683f30184dc8"},{"fixed":"91a44b406bc1f9e1c5da0cb7d0d5991b43b79147"},{"fixed":"106dc689206610cfa2098f593fdd1e020c997835"},{"fixed":"ec55a86f7fba7d9111df94b9c11a4755ed492995"},{"fixed":"8fdbb6262a4a3ed44a0830a7793903b54bb27bdc"},{"fixed":"d95cea9298be1ba8876e3f156be96d3a492085ca"},{"fixed":"033370ffb3c9c0264d19f8ba9ef769523266589a"},{"fixed":"b3cb8cae530b2727d8245684148bb49425f6765c"},{"fixed":"8141a2dc70080eda1aedc0389ed2db2b292af5bd"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46053.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.6.0"},{"fixed":"5.10.258"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.140"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.86"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.27"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-46053.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}