High 7.8Published Jun 24, 2026

CVE-2026-53077net/rds: Restrict use of RDS/IB to the initial network namespace

Updated under an hour ago (Oct 28, 2026, 8:10 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: net/rds: Restrict use of RDS/IB to the initial network namespace Prevent using RDS/IB in network namespaces other than the initial one. The existing RDS/IB code will not work properly in non-initial network namespaces.

CVSS: 7.8 HIGH (v3.1, CNA)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: Linux
NVD analysis: Analyzed
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 before 3e7f14cd5a51533404e1ae4809caab46073fb5c7; from d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 before 3174fc703d081d2ca538b22fba734e3ad5b52322; from d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 before c244b79adffad89a5173cf8bfaa06a6b40bbd09b; from d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 before 07035306bf722f4676a1aee35cbeb3732c76194e; from d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 before fb407343c0c16e94584707b2dfdd350a5f81b000; from d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 before a7494479757d60d2413bfaa087f8431a26eea032; from d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 before b6a54f5e9ce9b97ae641855378d71c5154a085c0; from d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 before ebf71dd4aff46e8e421d455db3e231ba43d2fa8a	CNA record
linux linux_kernel linux:linux_kernel	from 4.3 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.141; from 6.7 before 6.12.91; from 6.13 before 6.18.33; from 6.19 before 7.0.10	NVD

References

References

https://git.kernel.org/stable/c/3e7f14cd5a51533404e1ae4809caab46073fb5c7	patch
https://git.kernel.org/stable/c/3174fc703d081d2ca538b22fba734e3ad5b52322	patch
https://git.kernel.org/stable/c/c244b79adffad89a5173cf8bfaa06a6b40bbd09b	patch
https://git.kernel.org/stable/c/07035306bf722f4676a1aee35cbeb3732c76194e	patch
https://git.kernel.org/stable/c/fb407343c0c16e94584707b2dfdd350a5f81b000	patch
https://git.kernel.org/stable/c/a7494479757d60d2413bfaa087f8431a26eea032	patch
https://git.kernel.org/stable/c/b6a54f5e9ce9b97ae641855378d71c5154a085c0	patch
https://git.kernel.org/stable/c/ebf71dd4aff46e8e421d455db3e231ba43d2fa8a	patch

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.