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CVE-2024-26677

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix delayed ACKs to not set the reference serial number Fix the construction of delayed ACKs to not set the reference serial number as they can't be used as an RTT reference.

Severity
MEDIUM
CVSS score
5.5 (v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2024-04-02 07:15:44.237000
Last modified
2026-10-30 13:17:21.250000
View original CVE JSON
{
  "id": "CVE-2024-26677",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-04-02T07:15:44.237",
  "lastModified": "2026-10-30T13:17:21.250",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix delayed ACKs to not set the reference serial number\n\nFix the construction of delayed ACKs to not set the reference serial number\nas they can't be used as an RTT reference."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvió la siguiente vulnerabilidad: rxrpc: corrige los ACK retrasados para no establecer el número de serie de referencia. Se corrige la construcción de los ACK retrasados para no establecer el número de serie de referencia, ya que no se pueden usar como referencia RTT."
    }
  ],
  "affected": [
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      "affectedData": [
        {
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          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "net/rxrpc/ar-internal.h",
            "net/rxrpc/call_event.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
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              "versionType": "git",
              "status": "affected"
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              "versionType": "semver",
              "status": "unaffected"
            },
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              "versionType": "semver",
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            },
            {
              "version": "6.7.5",
              "lessThanOrEqual": "6.7.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.8",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2024-04-02T14:58:11.213319Z",
          "id": "CVE-2024-26677",
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          "role": "CISA Coordinator",
          "version": "2.0.3"
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  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
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          "value": "CWE-476"
        }
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  ],
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}