CVE-2026-53077

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:linux, epss, ghsa
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

A fix is available — apply it.

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(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

June 24, 2026

Last Modified

August 5, 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.

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-raspi-realtime-6.8 (6.8.0-2050.52) @ noble2026-08-30ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-28.28) @ resolute2026-08-30ubuntu
ubuntulinux-virtual-6.8 (6.8.0-136.136) @ noble2026-08-30ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-08-30ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1064.72+fips1) @ noble2026-08-30ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1075 (5.15.0-1075.79) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.66~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-08-30ubuntu
ubuntulinux-tools-lowlatency-hwe-22.04-edge (6.8.0-136.136.2~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-oracle-edge (6.8.0-1058.61~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-22.04-edge (6.8.0-1059.62~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-lowlatency-5.15 (5.15.0.1107.107) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.64) @ jammy2026-08-30ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-tools-aws-lts-24.04 (6.8.0-1061.64+1) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1063.71) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-fde-lts-24.04 (6.8.0-1062.69) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1063.71+fips2) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-fde-6.8 (6.8.0-1062.69~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-oracle-lts-22.04 (5.15.0.1109.105) @ jammy2026-08-30ubuntu
ubuntulinux-tools-azure-fde-lts-22.04 (5.15.0.1117.126) @ jammy2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-08-30ubuntu
ubuntulinux-tools-aws-fips-6.8 (6.8.0-1061.64+fips1) @ noble2026-08-30ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1033.34) @ noble2026-08-30ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-136.136~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-oracle-edge (5.15.0.1109.115~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1117.102) @ jammy2026-08-30ubuntu
ubuntulinux-tools-intel-iot-realtime-5.15 (5.15.0.1104.108) @ jammy2026-08-30ubuntu
ubuntulinux-tools-intel-iotg-5.15 (5.15.0.1107.106) @ jammy2026-08-30ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (54 versions)5.10.259-1—
linux-6.16.1.106-3~deb11u1 ... 6.1.174-1~deb11u1 (20 versions)6.1.176-1~deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (53 versions)6.1.176-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.94-1~bpo12+1 (27 versions)6.12.94-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.9-1~bpo13+1 (140 versions)7.0.10-1—

Additional Vendor Advisories

(24)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 5× in last 7d / 85× 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.

Showing the most recent 100 of 270 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-10 09:35 UTCEPSS rescore
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-07 16:01 UTCEPSS rescore
  5. 2026-09-06 13:47 UTCEPSS rescore
  6. 2026-09-04 05:06 UTCEPSS rescore
  7. 2026-09-02 14:12 UTCEPSS rescore
  8. 2026-09-01 13:54 UTCEPSS rescore
  9. 2026-09-01 04:40 UTCEPSS rescore
  10. 2026-08-30 19:55 UTCEG score recompute
  11. 2026-08-30 19:55 UTCVendor advisory
  12. 2026-08-30 19:55 UTCGHSA enrichment
  13. 2026-08-30 19:17 UTCEPSS rescore
  14. 2026-08-30 01:22 UTCEPSS rescore
  15. 2026-08-28 21:41 UTCEPSS rescore
  16. 2026-08-28 03:45 UTCEG score recompute
  17. 2026-08-28 03:45 UTCVendor advisory
  18. 2026-08-28 03:45 UTCGHSA enrichment
  19. 2026-08-27 14:25 UTCEPSS rescore
  20. 2026-08-26 14:46 UTCEPSS rescore
  21. 2026-08-25 13:49 UTCEPSS rescore
  22. 2026-08-25 01:37 UTCEG score recompute
  23. 2026-08-25 01:37 UTCVendor advisory
  24. 2026-08-25 01:36 UTCGHSA enrichment
  25. 2026-08-24 13:37 UTCEG score recompute
Show 75 more
  1. 2026-08-24 13:37 UTCVendor advisory
  2. 2026-08-24 13:37 UTCGHSA enrichment
  3. 2026-08-23 23:36 UTCVendor advisory
  4. 2026-08-23 23:35 UTCGHSA enrichment
  5. 2026-08-23 11:36 UTCVendor advisory
  6. 2026-08-23 11:35 UTCGHSA enrichment
  7. 2026-08-22 23:35 UTCVendor advisory
  8. 2026-08-22 23:35 UTCGHSA enrichment
  9. 2026-08-22 11:35 UTCEG score recompute
  10. 2026-08-22 11:35 UTCVendor advisory
  11. 2026-08-22 11:35 UTCGHSA enrichment
  12. 2026-08-21 23:49 UTCEPSS rescore
  13. 2026-08-21 19:28 UTCVendor advisory
  14. 2026-08-21 19:28 UTCGHSA enrichment
  15. 2026-08-21 07:21 UTCEG score recompute
  16. 2026-08-21 07:21 UTCVendor advisory
  17. 2026-08-21 07:21 UTCGHSA enrichment
  18. 2026-08-20 22:55 UTCEPSS rescore
  19. 2026-08-20 19:22 UTCVendor advisory
  20. 2026-08-20 19:21 UTCGHSA enrichment
  21. 2026-08-20 07:22 UTCEG score recompute
  22. 2026-08-20 07:22 UTCVendor advisory
  23. 2026-08-20 07:22 UTCGHSA enrichment
  24. 2026-08-19 17:04 UTCEPSS rescore
  25. 2026-08-19 14:15 UTCVendor advisory
  26. 2026-08-19 14:15 UTCGHSA enrichment
  27. 2026-08-19 02:05 UTCEG score recompute
  28. 2026-08-19 02:05 UTCVendor advisory
  29. 2026-08-19 02:04 UTCGHSA enrichment
  30. 2026-08-18 13:48 UTCEPSS rescore
  31. 2026-08-17 13:47 UTCEPSS rescore
  32. 2026-08-17 13:45 UTCVendor advisory
  33. 2026-08-17 13:45 UTCGHSA enrichment
  34. 2026-08-17 01:46 UTCEG score recompute
  35. 2026-08-17 01:46 UTCVendor advisory
  36. 2026-08-17 01:46 UTCGHSA enrichment
  37. 2026-08-16 14:56 UTCEPSS rescore
  38. 2026-08-16 13:46 UTCEG score recompute
  39. 2026-08-16 13:46 UTCVendor advisory
  40. 2026-08-16 13:46 UTCGHSA enrichment
  41. 2026-08-16 02:14 UTCEPSS rescore
  42. 2026-08-16 01:47 UTCVendor advisory
  43. 2026-08-16 01:47 UTCGHSA enrichment
  44. 2026-08-15 13:47 UTCEG score recompute
  45. 2026-08-15 13:47 UTCVendor advisory
  46. 2026-08-15 13:47 UTCGHSA enrichment
  47. 2026-08-15 01:30 UTCEPSS rescore
  48. 2026-08-15 01:29 UTCVendor advisory
  49. 2026-08-15 01:29 UTCGHSA enrichment
  50. 2026-08-14 13:30 UTCVendor advisory
  51. 2026-08-14 13:30 UTCGHSA enrichment
  52. 2026-08-14 01:31 UTCEG score recompute
  53. 2026-08-14 01:31 UTCVendor advisory
  54. 2026-08-14 01:31 UTCGHSA enrichment
  55. 2026-08-13 22:00 UTCEPSS rescore
  56. 2026-08-13 13:31 UTCVendor advisory
  57. 2026-08-13 13:31 UTCGHSA enrichment
  58. 2026-08-13 01:31 UTCEG score recompute
  59. 2026-08-13 01:31 UTCVendor advisory
  60. 2026-08-13 01:31 UTCGHSA enrichment
  61. 2026-08-12 13:51 UTCEPSS rescore
  62. 2026-08-12 13:32 UTCVendor advisory
  63. 2026-08-12 13:32 UTCGHSA enrichment
  64. 2026-08-12 01:29 UTCEG score recompute
  65. 2026-08-12 01:29 UTCVendor advisory
  66. 2026-08-12 01:29 UTCGHSA enrichment
  67. 2026-08-11 13:30 UTCVendor advisory
  68. 2026-08-11 13:30 UTCGHSA enrichment
  69. 2026-08-11 01:31 UTCEG score recompute
  70. 2026-08-11 01:31 UTCVendor advisory
  71. 2026-08-11 01:31 UTCGHSA enrichment
  72. 2026-08-11 00:00 UTCEPSS rescore
  73. 2026-08-10 13:32 UTCVendor advisory
  74. 2026-08-10 13:32 UTCGHSA enrichment
  75. 2026-08-10 01:29 UTCEG score recompute

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 August 5, 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 0% probability of exploitation in the next 30 days, which ranks it in the top 97.9% of all scored CVEs.
What is the CVSS score of CVE-2026-53077?
CVE-2026-53077 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
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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