net/rds: Restrict use of RDS/IB to the initial network namespace

Summary

CVECVE-2026-53077
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 17:17:21 UTC
Updated2026-06-24 17:17:21 UTC
DescriptionIn 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.

Risk And Classification

EPSS: 0.001640000 probability, percentile 0.059940000 (date 2026-06-26)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 3e7f14cd5a51533404e1ae4809caab46073fb5c7 git Not specified
CNA Linux Linux affected d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 3174fc703d081d2ca538b22fba734e3ad5b52322 git Not specified
CNA Linux Linux affected d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 c244b79adffad89a5173cf8bfaa06a6b40bbd09b git Not specified
CNA Linux Linux affected d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 07035306bf722f4676a1aee35cbeb3732c76194e git Not specified
CNA Linux Linux affected d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 fb407343c0c16e94584707b2dfdd350a5f81b000 git Not specified
CNA Linux Linux affected d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 a7494479757d60d2413bfaa087f8431a26eea032 git Not specified
CNA Linux Linux affected d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 b6a54f5e9ce9b97ae641855378d71c5154a085c0 git Not specified
CNA Linux Linux affected d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 ebf71dd4aff46e8e421d455db3e231ba43d2fa8a git Not specified
CNA Linux Linux affected 4.3 Not specified
CNA Linux Linux unaffected 4.3 semver Not specified
CNA Linux Linux unaffected 5.10.258 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.209 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.175 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.141 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.91 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.33 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.10 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/b6a54f5e9ce9b97ae641855378d71c5154a085c0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c244b79adffad89a5173cf8bfaa06a6b40bbd09b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ebf71dd4aff46e8e421d455db3e231ba43d2fa8a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a7494479757d60d2413bfaa087f8431a26eea032 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fb407343c0c16e94584707b2dfdd350a5f81b000 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3174fc703d081d2ca538b22fba734e3ad5b52322 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/07035306bf722f4676a1aee35cbeb3732c76194e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3e7f14cd5a51533404e1ae4809caab46073fb5c7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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