CVE-2026-53077
net/rds: Restrict use of RDS/IB to the initial network namespace
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.
INFO
Published Date :
June 24, 2026, 5:17 p.m.
Last Modified :
July 21, 2026, 6:14 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel to the latest version.
- Apply relevant patches for net/rds.
- Configure RDS/IB to use only the initial network namespace.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-53077.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-53077 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-53077
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-53077 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-53077 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 21, 2026
Action Type Old Value New Value Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.141 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.91 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.10 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.175 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.209 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 5.10.258 Added Reference Type kernel.org: https://git.kernel.org/stable/c/07035306bf722f4676a1aee35cbeb3732c76194e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3174fc703d081d2ca538b22fba734e3ad5b52322 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/3e7f14cd5a51533404e1ae4809caab46073fb5c7 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a7494479757d60d2413bfaa087f8431a26eea032 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b6a54f5e9ce9b97ae641855378d71c5154a085c0 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c244b79adffad89a5173cf8bfaa06a6b40bbd09b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ebf71dd4aff46e8e421d455db3e231ba43d2fa8a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/fb407343c0c16e94584707b2dfdd350a5f81b000 Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 28, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 24, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'd5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638', 'lessThan': '3e7f14cd5a51533404e1ae4809caab46073fb5c7', 'versionType': 'git'}, {'status': 'affected', 'version': 'd5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638', 'lessThan': '3174fc703d081d2ca538b22fba734e3ad5b52322', 'versionType': 'git'}, {'status': 'affected', 'version': 'd5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638', 'lessThan': 'c244b79adffad89a5173cf8bfaa06a6b40bbd09b', 'versionType': 'git'}, {'status': 'affected', 'version': 'd5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638', 'lessThan': '07035306bf722f4676a1aee35cbeb3732c76194e', 'versionType': 'git'}, {'status': 'affected', 'version': 'd5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638', 'lessThan': 'fb407343c0c16e94584707b2dfdd350a5f81b000', 'versionType': 'git'}, {'status': 'affected', 'version': 'd5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638', 'lessThan': 'a7494479757d60d2413bfaa087f8431a26eea032', 'versionType': 'git'}, {'status': 'affected', 'version': 'd5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638', 'lessThan': 'b6a54f5e9ce9b97ae641855378d71c5154a085c0', 'versionType': 'git'}, {'status': 'affected', 'version': 'd5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638', 'lessThan': 'ebf71dd4aff46e8e421d455db3e231ba43d2fa8a', 'versionType': 'git'}], 'programFiles': ['net/rds/af_rds.c', 'net/rds/ib.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.3'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.3', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.258', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.209', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.175', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.141', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.91', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.33', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.10', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/rds/af_rds.c', 'net/rds/ib.c'], 'defaultStatus': 'affected'}] Added 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. Added Reference https://git.kernel.org/stable/c/07035306bf722f4676a1aee35cbeb3732c76194e Added Reference https://git.kernel.org/stable/c/3174fc703d081d2ca538b22fba734e3ad5b52322 Added Reference https://git.kernel.org/stable/c/3e7f14cd5a51533404e1ae4809caab46073fb5c7 Added Reference https://git.kernel.org/stable/c/a7494479757d60d2413bfaa087f8431a26eea032 Added Reference https://git.kernel.org/stable/c/b6a54f5e9ce9b97ae641855378d71c5154a085c0 Added Reference https://git.kernel.org/stable/c/c244b79adffad89a5173cf8bfaa06a6b40bbd09b Added Reference https://git.kernel.org/stable/c/ebf71dd4aff46e8e421d455db3e231ba43d2fa8a Added Reference https://git.kernel.org/stable/c/fb407343c0c16e94584707b2dfdd350a5f81b000