CVE-2026-53077

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.8
EG Score
7.8(high)
EPSS
2.2%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 28, 2026

Advisory Details (8)

Auto-updated Jun 28, 2026
No patch confirmed yet.
generic

net/rds: Restrict use of RDS/IB to the initial network namespace - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/fb407343c0c16e94584707b2dfdd350a5f81b000
generic

net/rds: Restrict use of RDS/IB to the initial network namespace - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ebf71dd4aff46e8e421d455db3e231ba43d2fa8a
generic

net/rds: Restrict use of RDS/IB to the initial network namespace - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c244b79adffad89a5173cf8bfaa06a6b40bbd09b
generic

net/rds: Restrict use of RDS/IB to the initial network namespace - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/b6a54f5e9ce9b97ae641855378d71c5154a085c0
generic

net/rds: Restrict use of RDS/IB to the initial network namespace - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a7494479757d60d2413bfaa087f8431a26eea032
generic

net/rds: Restrict use of RDS/IB to the initial network namespace - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3e7f14cd5a51533404e1ae4809caab46073fb5c7
generic

net/rds: Restrict use of RDS/IB to the initial network namespace - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3174fc703d081d2ca538b22fba734e3ad5b52322
generic

net/rds: Restrict use of RDS/IB to the initial network namespace - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/07035306bf722f4676a1aee35cbeb3732c76194e

Vendor Advisories for CVE-2026-53077(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 31× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 21:30 UTCEG score recompute
  2. 2026-07-06 21:30 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 09:25 UTCEG score recompute
  6. 2026-07-06 09:25 UTCGHSA enrichment
  7. 2026-07-05 21:21 UTCEG score recompute
  8. 2026-07-05 21:21 UTCGHSA enrichment
  9. 2026-07-05 09:21 UTCEG score recompute
  10. 2026-07-05 09:21 UTCGHSA enrichment
  11. 2026-07-04 21:21 UTCEG score recompute
  12. 2026-07-04 21:21 UTCGHSA enrichment
  13. 2026-07-04 09:21 UTCEG score recompute
  14. 2026-07-04 09:21 UTCGHSA enrichment
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-03 21:22 UTCEG score recompute
  17. 2026-07-03 21:22 UTCGHSA enrichment
  18. 2026-07-03 09:22 UTCEG score recompute
  19. 2026-07-03 09:22 UTCGHSA enrichment
  20. 2026-07-02 21:22 UTCEG score recompute
  21. 2026-07-02 21:22 UTCGHSA enrichment
  22. 2026-07-02 09:23 UTCEG score recompute
  23. 2026-07-02 09:23 UTCGHSA enrichment
  24. 2026-07-01 21:23 UTCEG score recompute
  25. 2026-07-01 21:23 UTCGHSA enrichment
Show 18 more
  1. 2026-07-01 15:07 UTCEPSS rescore
  2. 2026-07-01 09:24 UTCEG score recompute
  3. 2026-07-01 09:24 UTCGHSA enrichment
  4. 2026-06-30 23:22 UTCEPSS rescore
  5. 2026-06-30 21:25 UTCEG score recompute▲ 7.80
  6. 2026-06-30 21:24 UTCGHSA enrichment
  7. 2026-06-29 14:06 UTCEPSS rescore
  8. 2026-06-29 14:06 UTCEPSS rescore
  9. 2026-06-28 14:07 UTCEPSS rescore
  10. 2026-06-28 07:52 UTCMITRE cvelistV5CVSS v3 → 7.8 · severity → HIGH
  11. 2026-06-28 04:56 UTCEPSS rescore
  12. 2026-06-28 04:56 UTCEPSS rescore
  13. 2026-06-27 19:49 UTCEG score recompute
  14. 2026-06-27 19:49 UTCGHSA enrichment
  15. 2026-06-27 03:08 UTCEPSS rescore
  16. 2026-06-25 13:49 UTCEPSS rescore
  17. 2026-06-24 18:14 UTCEG score recompute
  18. 2026-06-24 18:03 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-53077?
CVE-2026-53077 is a high vulnerability published on June 24, 2026. 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.
When was CVE-2026-53077 disclosed?
CVE-2026-53077 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53077 actively exploited?
CVE-2026-53077 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-53077?
CVE-2026-53077 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-53077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53077, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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