CVE-2026-53077

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

HIGH

7.8

CVSS Score

Published: June 24, 2026 at 04:30 PM UTC

Updated: August 5, 2026 at 01:24 PM UTC

1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.8

Exploit prediction

EPSS 0.1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.3 ≤ v < 5.10.2584.3 ≤ v < 5.15.2094.3 ≤ v < 6.1.1754.3 ≤ v < 6.12.914.3 ≤ v < 6.18.334.3 ≤ v < 6.6.1414.3 ≤ v < 7.0.104.3 ≤ v < 7.15.11 ≤ v < 5.15.2095.16 ≤ v < 6.1.1756.13 ≤ v < 6.18.336.19 ≤ v < 7.0.106.2 ≤ v < 6.6.1416.7 ≤ v < 6.12.914.3d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638

Vendor states this is fixed in 07035306bf722f4676a1aee35cbeb3732c76194e (fixed)

Vendor states this is fixed in 3174fc703d081d2ca538b22fba734e3ad5b52322 (fixed)

Vendor states this is fixed in 3e7f14cd5a51533404e1ae4809caab46073fb5c7 (fixed)

Vendor states this is fixed in a7494479757d60d2413bfaa087f8431a26eea032 (fixed)

Vendor states this is fixed in b6a54f5e9ce9b97ae641855378d71c5154a085c0 (fixed)

Vendor states this is fixed in c244b79adffad89a5173cf8bfaa06a6b40bbd09b (fixed)

Vendor states this is fixed in ebf71dd4aff46e8e421d455db3e231ba43d2fa8a (fixed)

Vendor states this is fixed in fb407343c0c16e94584707b2dfdd350a5f81b000 (fixed)

Vendor states this is fixed in 4.3 (unaffected)

Vendor states this is fixed in 5.10.258 (unaffected)

Vendor states this is fixed in 5.15.209 (unaffected)

Vendor states this is fixed in 6.1.175 (unaffected)