Vulnerability-Lookup

GHSA-8Q5H-9R4J-RFJ7

Vulnerability from github – Published: 2026-06-24 18:32 – Updated: 2026-06-28 09:31

Details

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.

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-53077"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-24T17:17:21Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/rds: Restrict use of RDS/IB to the initial network namespace\n\nPrevent using RDS/IB in network namespaces other than the initial one.\nThe existing RDS/IB code will not work properly in non-initial network\nnamespaces.",
  "id": "GHSA-8q5h-9r4j-rfj7",
  "modified": "2026-06-28T09:31:40Z",
  "published": "2026-06-24T18:32:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53077"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/07035306bf722f4676a1aee35cbeb3732c76194e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3174fc703d081d2ca538b22fba734e3ad5b52322"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3e7f14cd5a51533404e1ae4809caab46073fb5c7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a7494479757d60d2413bfaa087f8431a26eea032"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b6a54f5e9ce9b97ae641855378d71c5154a085c0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c244b79adffad89a5173cf8bfaa06a6b40bbd09b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ebf71dd4aff46e8e421d455db3e231ba43d2fa8a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb407343c0c16e94584707b2dfdd350a5f81b000"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-53077 (GCVE-0-2026-53077)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:30 – Updated: 2026-06-28 06:39

Title

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

Summary

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.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/3e7f14cd5a5153340…
https://git.kernel.org/stable/c/3174fc703d081d2ca…
https://git.kernel.org/stable/c/c244b79adffad89a5…
https://git.kernel.org/stable/c/07035306bf722f467…
https://git.kernel.org/stable/c/fb407343c0c16e945…
https://git.kernel.org/stable/c/a7494479757d60d24…
https://git.kernel.org/stable/c/b6a54f5e9ce9b97ae…
https://git.kernel.org/stable/c/ebf71dd4aff46e8e4…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 , < 3e7f14cd5a51533404e1ae4809caab46073fb5c7 (git) Affected: d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 , < 3174fc703d081d2ca538b22fba734e3ad5b52322 (git) Affected: d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 , < c244b79adffad89a5173cf8bfaa06a6b40bbd09b (git) Affected: d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 , < 07035306bf722f4676a1aee35cbeb3732c76194e (git) Affected: d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 , < fb407343c0c16e94584707b2dfdd350a5f81b000 (git) Affected: d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 , < a7494479757d60d2413bfaa087f8431a26eea032 (git) Affected: d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 , < b6a54f5e9ce9b97ae641855378d71c5154a085c0 (git) Affected: d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638 , < ebf71dd4aff46e8e421d455db3e231ba43d2fa8a (git)
Linux	Linux	Affected: 4.3 Unaffected: 0 , < 4.3 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/rds/af_rds.c",
            "net/rds/ib.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "3e7f14cd5a51533404e1ae4809caab46073fb5c7",
              "status": "affected",
              "version": "d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638",
              "versionType": "git"
            },
            {
              "lessThan": "3174fc703d081d2ca538b22fba734e3ad5b52322",
              "status": "affected",
              "version": "d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638",
              "versionType": "git"
            },
            {
              "lessThan": "c244b79adffad89a5173cf8bfaa06a6b40bbd09b",
              "status": "affected",
              "version": "d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638",
              "versionType": "git"
            },
            {
              "lessThan": "07035306bf722f4676a1aee35cbeb3732c76194e",
              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "fb407343c0c16e94584707b2dfdd350a5f81b000",
              "status": "affected",
              "version": "d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638",
              "versionType": "git"
            },
            {
              "lessThan": "a7494479757d60d2413bfaa087f8431a26eea032",
              "status": "affected",
              "version": "d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638",
              "versionType": "git"
            },
            {
              "lessThan": "b6a54f5e9ce9b97ae641855378d71c5154a085c0",
              "status": "affected",
              "version": "d5a8ac28a7ff2f250d1bedbb6008dd2f6f6f1638",
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              "versionType": "git"
            }
          ]
        },
        {
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          "product": "Linux",
          "programFiles": [
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            "net/rds/ib.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.3"
            },
            {
              "lessThan": "4.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.175",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.141",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.91",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.258",
                  "versionStartIncluding": "4.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.209",
                  "versionStartIncluding": "4.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.175",
                  "versionStartIncluding": "4.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.141",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.91",
                  "versionStartIncluding": "4.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.33",
                  "versionStartIncluding": "4.3",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "4.3",
                  "vulnerable": true
                }
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              "operator": "OR"
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      "descriptions": [
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          "lang": "en",
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      ],
      "metrics": [
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            "baseSeverity": "HIGH",
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      "providerMetadata": {
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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          "url": "https://git.kernel.org/stable/c/b6a54f5e9ce9b97ae641855378d71c5154a085c0"
        },
        {
          "url": "https://git.kernel.org/stable/c/ebf71dd4aff46e8e421d455db3e231ba43d2fa8a"
        }
      ],
      "title": "net/rds: Restrict use of RDS/IB to the initial network namespace",
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      }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-53077",
    "datePublished": "2026-06-24T16:30:17.972Z",
    "dateReserved": "2026-06-09T07:44:35.383Z",
    "dateUpdated": "2026-06-28T06:39:02.828Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-8Q5H-9R4J-RFJ7

CVE-2026-53077 (GCVE-0-2026-53077)

Tags

Sightings

Nomenclature