CVE-2024-26592 ksmbd: fix UAF issue in ksmbd_tcp_new_connection()

2024-02-2216:21:44

Linux

www.cve.org

linux kernel

vulnerability

fix

uaf issue

tcp connection

disconnection

race

struct tcp_transport

ksmbd.

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

16.0%

JSON

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix UAF issue in ksmbd_tcp_new_connection()

The race is between the handling of a new TCP connection and
its disconnection. It leads to UAF on struct tcp_transport in
ksmbd_tcp_new_connection() function.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/connection.c",
      "fs/smb/server/connection.h",
      "fs/smb/server/transport_rdma.c",
      "fs/smb/server/transport_tcp.c"
    ],
    "versions": [
      {
        "version": "a848c4f15ab6",
        "lessThan": "999daf367b92",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a848c4f15ab6",
        "lessThan": "380965e48e9c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a848c4f15ab6",
        "lessThan": "24290ba94cd0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a848c4f15ab6",
        "lessThan": "69d54650b751",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a848c4f15ab6",
        "lessThan": "38d20c62903d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/connection.c",
      "fs/smb/server/connection.h",
      "fs/smb/server/transport_rdma.c",
      "fs/smb/server/transport_tcp.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.149",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.75",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.14",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.2",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]