CVE-2024-36954 tipc: fix a possible memleak in tipc_buf_append

2024-05-3015:35:48

Linux

www.cve.org

linux kernel

vulnerability

tipc

memleak

AI Score

7.4

Confidence

High

EPSS

Percentile

13.0%

JSON

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

tipc: fix a possible memleak in tipc_buf_append

__skb_linearize() doesn’t free the skb when it fails, so move
‘*buf = NULL’ after __skb_linearize(), so that the skb can be
freed on the err path.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/tipc/msg.c"
    ],
    "versions": [
      {
        "version": "4b1761898861",
        "lessThan": "01cd1b7b6857",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "64d17ec9f1de",
        "lessThan": "2f87fd9476cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6da24cfc83ba",
        "lessThan": "adbce6d20da6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b7df21cf1b79",
        "lessThan": "42c8471b0566",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b7df21cf1b79",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b7df21cf1b79",
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        "status": "affected",
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      {
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      {
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        "status": "affected",
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/tipc/msg.c"
    ],
    "versions": [
      {
        "version": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.314",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.276",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.217",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.159",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.91",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.31",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8.10",
        "lessThanOrEqual": "6.8.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]