CVE-2026-46053In the Linux kernel, the following vulnerability has been resolved: net: rds: fix MR cleanup on copy error __rds_rdma_map() hands sg/pages ownership to the transport after get_mr() succeeds.
Updated under an hour ago ()
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In the Linux kernel, the following vulnerability has been resolved: net: rds: fix MR cleanup on copy error __rds_rdma_map() hands sg/pages ownership to the transport after get_mr() succeeds. If copying the generated cookie back to user space fails after that point, the error path must not free those resources again before dropping the MR reference. Remove the duplicate unpin/free from the put_user() failure branch so that MR teardown is handled only through the existing final cleanup path.
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 5.6.1 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.140; from 6.7 before 6.12.86; from 6.13 before 6.18.27; from 6.19 before 7.0.4; 5.6; and 5 more ranges | NVD |
References
- https://git.kernel.org/stable/c/033370ffb3c9c0264d19f8ba9ef769523266589apatch
- https://git.kernel.org/stable/c/106dc689206610cfa2098f593fdd1e020c997835patch
- https://git.kernel.org/stable/c/8141a2dc70080eda1aedc0389ed2db2b292af5bdpatch
- https://git.kernel.org/stable/c/8fdbb6262a4a3ed44a0830a7793903b54bb27bdcpatch
- https://git.kernel.org/stable/c/91a44b406bc1f9e1c5da0cb7d0d5991b43b79147patch
- https://git.kernel.org/stable/c/b3cb8cae530b2727d8245684148bb49425f6765cpatch
- https://git.kernel.org/stable/c/d95cea9298be1ba8876e3f156be96d3a492085capatch
- https://git.kernel.org/stable/c/ec55a86f7fba7d9111df94b9c11a4755ed492995patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.