Vulnerability-Lookup

FKIE_CVE-2026-46000

Vulnerability from fkie_nvd - Published: 2026-05-27 14:17 - Updated: 2026-05-27 14:48

Severity

Summary

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix conn-level packet handling to unshare RESPONSE packets The security operations that verify the RESPONSE packets decrypt bits of it in place - however, the sk_buff may be shared with a packet sniffer, which would lead to the sniffer seeing an apparently corrupt packet (actually decrypted). Fix this by handing a copy of the packet off to the specific security handler if the packet was cloned.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/24481a7f573305706054c59e275371f8d0fe919f
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/98a2046d155f73f6cf5d2c493c5e09b4963e2e12
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c0428a22daf69714dc042b67ea759956b74c74e5
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ca71ac2de389b01eecdc48bfafbdf073ec232044
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d9b93a0f57ca5f6831bfaa34014b6cd705564a00

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix conn-level packet handling to unshare RESPONSE packets\n\nThe security operations that verify the RESPONSE packets decrypt bits of it\nin place - however, the sk_buff may be shared with a packet sniffer, which\nwould lead to the sniffer seeing an apparently corrupt packet (actually\ndecrypted).\n\nFix this by handing a copy of the packet off to the specific security\nhandler if the packet was cloned."
    }
  ],
  "id": "CVE-2026-46000",
  "lastModified": "2026-05-27T14:48:03.013",
  "metrics": {},
  "published": "2026-05-27T14:17:17.640",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/24481a7f573305706054c59e275371f8d0fe919f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/98a2046d155f73f6cf5d2c493c5e09b4963e2e12"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c0428a22daf69714dc042b67ea759956b74c74e5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ca71ac2de389b01eecdc48bfafbdf073ec232044"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d9b93a0f57ca5f6831bfaa34014b6cd705564a00"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2026-46000 (GCVE-0-2026-46000)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:55 – Updated: 2026-05-27 12:55

Title

rxrpc: Fix conn-level packet handling to unshare RESPONSE packets

Summary

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/c0428a22daf69714d…
https://git.kernel.org/stable/c/98a2046d155f73f6c…
https://git.kernel.org/stable/c/ca71ac2de389b01ee…
https://git.kernel.org/stable/c/d9b93a0f57ca5f683…
https://git.kernel.org/stable/c/24481a7f573305706…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < c0428a22daf69714dc042b67ea759956b74c74e5 (git) Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < 98a2046d155f73f6cf5d2c493c5e09b4963e2e12 (git) Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < ca71ac2de389b01eecdc48bfafbdf073ec232044 (git) Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < d9b93a0f57ca5f6831bfaa34014b6cd705564a00 (git) Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < 24481a7f573305706054c59e275371f8d0fe919f (git)
Linux	Linux	Affected: 2.6.22 Unaffected: 0 , < 2.6.22 (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.88 , ≤ 6.12.* (semver) Unaffected: 6.18.27 , ≤ 6.18.* (semver) Unaffected: 7.0.4 , ≤ 7.0.* (semver) Unaffected: 7.1-rc1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/rxrpc/conn_event.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c0428a22daf69714dc042b67ea759956b74c74e5",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            },
            {
              "lessThan": "98a2046d155f73f6cf5d2c493c5e09b4963e2e12",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            },
            {
              "lessThan": "ca71ac2de389b01eecdc48bfafbdf073ec232044",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            },
            {
              "lessThan": "d9b93a0f57ca5f6831bfaa34014b6cd705564a00",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            },
            {
              "lessThan": "24481a7f573305706054c59e275371f8d0fe919f",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/rxrpc/conn_event.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.22"
            },
            {
              "lessThan": "2.6.22",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.27",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.88",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.27",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.4",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc1",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix conn-level packet handling to unshare RESPONSE packets\n\nThe security operations that verify the RESPONSE packets decrypt bits of it\nin place - however, the sk_buff may be shared with a packet sniffer, which\nwould lead to the sniffer seeing an apparently corrupt packet (actually\ndecrypted).\n\nFix this by handing a copy of the packet off to the specific security\nhandler if the packet was cloned."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T12:55:55.288Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c0428a22daf69714dc042b67ea759956b74c74e5"
        },
        {
          "url": "https://git.kernel.org/stable/c/98a2046d155f73f6cf5d2c493c5e09b4963e2e12"
        },
        {
          "url": "https://git.kernel.org/stable/c/ca71ac2de389b01eecdc48bfafbdf073ec232044"
        },
        {
          "url": "https://git.kernel.org/stable/c/d9b93a0f57ca5f6831bfaa34014b6cd705564a00"
        },
        {
          "url": "https://git.kernel.org/stable/c/24481a7f573305706054c59e275371f8d0fe919f"
        }
      ],
      "title": "rxrpc: Fix conn-level packet handling to unshare RESPONSE packets",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46000",
    "datePublished": "2026-05-27T12:55:55.288Z",
    "dateReserved": "2026-05-13T15:03:33.091Z",
    "dateUpdated": "2026-05-27T12:55:55.288Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

FKIE_CVE-2026-46000

CVE-2026-46000 (GCVE-0-2026-46000)

Tags

Sightings

Nomenclature