fkie_cve-2022-49374
Vulnerability from fkie_nvd
Published
2025-02-26 07:01
Modified
2025-04-14 20:37
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: tipc: check attribute length for bearer name syzbot reported uninit-value: ===================================================== BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:644 [inline] BUG: KMSAN: uninit-value in string+0x4f9/0x6f0 lib/vsprintf.c:725 string_nocheck lib/vsprintf.c:644 [inline] string+0x4f9/0x6f0 lib/vsprintf.c:725 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806 vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158 vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256 vprintk_default+0x86/0xa0 kernel/printk/printk.c:2283 vprintk+0x15f/0x180 kernel/printk/printk_safe.c:50 _printk+0x18d/0x1cf kernel/printk/printk.c:2293 tipc_enable_bearer net/tipc/bearer.c:371 [inline] __tipc_nl_bearer_enable+0x2022/0x22a0 net/tipc/bearer.c:1033 tipc_nl_bearer_enable+0x6c/0xb0 net/tipc/bearer.c:1042 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] - Do sanity check the attribute length for TIPC_NLA_BEARER_NAME. - Do not use 'illegal name' in printing message.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ecPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "1D618A3C-AEC5-4520-BBDB-002AC8CA3FED",
              "versionEndExcluding": "4.19.247",
              "versionStartIncluding": "4.17",
              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: check attribute length for bearer name\n\nsyzbot reported uninit-value:\n=====================================================\nBUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:644 [inline]\nBUG: KMSAN: uninit-value in string+0x4f9/0x6f0 lib/vsprintf.c:725\n string_nocheck lib/vsprintf.c:644 [inline]\n string+0x4f9/0x6f0 lib/vsprintf.c:725\n vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806\n vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158\n vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256\n vprintk_default+0x86/0xa0 kernel/printk/printk.c:2283\n vprintk+0x15f/0x180 kernel/printk/printk_safe.c:50\n _printk+0x18d/0x1cf kernel/printk/printk.c:2293\n tipc_enable_bearer net/tipc/bearer.c:371 [inline]\n __tipc_nl_bearer_enable+0x2022/0x22a0 net/tipc/bearer.c:1033\n tipc_nl_bearer_enable+0x6c/0xb0 net/tipc/bearer.c:1042\n genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]\n\n- Do sanity check the attribute length for TIPC_NLA_BEARER_NAME.\n- Do not use \u0027illegal name\u0027 in printing message."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tipc: comprobar la longitud del atributo para el nombre del portador syzbot inform\u00f3 de un valor no inicializado: ======================================================== ERROR: KMSAN: uninit-value in string+0x4f9/0x6f0 lib/vsprintf.c:725 string_nocheck lib/vsprintf.c:644 [inline] string+0x4f9/0x6f0 lib/vsprintf.c:725 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806 vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158 vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256 vprintk_default+0x86/0xa0 kernel/printk/printk.c:2283 vprintk+0x15f/0x180 kernel/printk/printk_safe.c:50 _printk+0x18d/0x1cf kernel/printk/printk.c:2293 tipc_enable_bearer net/tipc/bearer.c:371 [inline] __tipc_nl_bearer_enable+0x2022/0x22a0 net/tipc/bearer.c:1033 tipc_nl_bearer_enable+0x6c/0xb0 net/tipc/bearer.c:1042 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] - Do sanity check the attribute length for TIPC_NLA_BEARER_NAME. - Do not use \u0027illegal name\u0027 in printing message. "
    }
  ],
  "id": "CVE-2022-49374",
  "lastModified": "2025-04-14T20:37:37.157",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-02-26T07:01:14.060",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-908"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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