CVE-2024-26677

2024-04-0207:15:44

Linux

web.nvd.nist.gov

cve-2024-26677

rxrpc

delayed acks

reference serial number

rtt reference

nvd

AI Score

6.7

Confidence

High

EPSS

Percentile

15.5%

JSON

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.

Affected configurations

Vulners

Node

linuxlinux_kernelRange2.6.22–6.6.17

linuxlinux_kernelRange6.7.0–6.7.5

linuxlinux_kernelRange6.8.0≥

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rxrpc/ar-internal.h",
      "net/rxrpc/call_event.c"
    ],
    "versions": [
      {
        "version": "17926a79320a",
        "lessThan": "200cb50b9e15",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17926a79320a",
        "lessThan": "63719f490e6a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17926a79320a",
        "lessThan": "e7870cf13d20",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rxrpc/ar-internal.h",
      "net/rxrpc/call_event.c"
    ],
    "versions": [
      {
        "version": "2.6.22",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.22",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.17",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.5",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]