CVE-2024-38584 net: ti: icssg_prueth: Fix NULL pointer dereference in prueth_probe()

2024-06-1913:37:40

Linux

github.com

vulnerability resolution

null pointer dereference

linux kernel

icssg_prueth

prueth_probe

emac_phy_connect

of_phy_connect

phy_attached_info.

AI Score

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

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

net: ti: icssg_prueth: Fix NULL pointer dereference in prueth_probe()

In the prueth_probe() function, if one of the calls to emac_phy_connect()
fails due to of_phy_connect() returning NULL, then the subsequent call to
phy_attached_info() will dereference a NULL pointer.

Check the return code of emac_phy_connect and fail cleanly if there is an
error.

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "128d5874c082",
        "lessThan": "5cd17f0e74cb",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "128d5874c082",
        "lessThan": "b0a82ebabbdc",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "128d5874c082",
        "lessThan": "1e1d5bd7f468",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "128d5874c082",
        "lessThan": "b31c7e780861",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/net/ethernet/ti/icssg/icssg_prueth.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "6.6"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.6",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "6.6.33",
        "versionType": "custom",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.12",
        "versionType": "custom",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9.3",
        "versionType": "custom",
        "lessThanOrEqual": "6.9.*"
      },
      {
        "status": "unaffected",
        "version": "6.10",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/net/ethernet/ti/icssg/icssg_prueth.c"
    ],
    "defaultStatus": "affected"
  }
]