CVE-2024-38381 nfc: nci: Fix uninit-value in nci_rx_work

2024-06-2110:18:12

Linux

www.cve.org

linux kernel

vulnerability

resolved

nfc

nci

uninit-value

syzbot

access issue

nci_rx_work

header size

payload size

packet

discarded

0.0004 Low

EPSS

Percentile

13.1%

JSON

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

nfc: nci: Fix uninit-value in nci_rx_work

syzbot reported the following uninit-value access issue [1]

nci_rx_work() parses received packet from ndev->rx_q. It should be
validated header size, payload size and total packet size before
processing the packet. If an invalid packet is detected, it should be
silently discarded.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/nfc/nci/core.c"
    ],
    "versions": [
      {
        "version": "11387b2effbb",
        "lessThan": "406cfac9debd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "03fe259649a5",
        "lessThan": "485ded868ed6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "755e53bbc61b",
        "lessThan": "f80b786ab055",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ac68d9fa09e4",
        "lessThan": "ad4d196d2008",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b51ec7fc9f87",
        "lessThan": "e8c8e0d0d214",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a946ebee45b0",
        "lessThan": "e53a7f8afcbd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d24b03535e5e",
        "lessThan": "017ff3976249",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d24b03535e5e",
        "lessThan": "e4a87abf5885",
        "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/nfc/nci/core.c"
    ],
    "versions": [
      {
        "version": "6.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.9",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.316",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.278",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.219",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.161",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.93",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.33",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9.4",
        "lessThanOrEqual": "6.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]