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LinuxCVE-2024-40994

HistoryJul 12, 2024 - 1:15 p.m.

CVE-2024-40994

2024-07-1213:15:20

CWE-190

Linux

web.nvd.nist.gov

linux kernel

integer overflow

ptp module

vulnerability

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

6.8

Confidence

High

EPSS

Percentile

5.0%

JSON

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

ptp: fix integer overflow in max_vclocks_store

On 32bit systems, the “4 * max” multiply can overflow. Use kcalloc()
to do the allocation to prevent this.

Affected configurations

Nvd

Vulners

Node

linuxlinux_kernelRange5.14–5.15.162

linuxlinux_kernelRange5.16–6.1.96

linuxlinux_kernelRange6.2–6.6.36

linuxlinux_kernelRange6.7–6.9.7

linuxlinux_kernelMatch6.10rc1

linuxlinux_kernelMatch6.10rc2

linuxlinux_kernelMatch6.10rc3

linuxlinux_kernelMatch6.10rc4

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel6.10cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*
linuxlinux_kernel6.10cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*
linuxlinux_kernel6.10cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*
linuxlinux_kernel6.10cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	6.10	cpe:2.3:o:linux:linux_kernel:6.10:rc1::::::
linux	linux_kernel	6.10	cpe:2.3:o:linux:linux_kernel:6.10:rc2::::::
linux	linux_kernel	6.10	cpe:2.3:o:linux:linux_kernel:6.10:rc3::::::
linux	linux_kernel	6.10	cpe:2.3:o:linux:linux_kernel:6.10:rc4::::::

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/ptp/ptp_sysfs.c"
    ],
    "versions": [
      {
        "version": "44c494c8e30e",
        "lessThan": "4b03da87d0b7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "44c494c8e30e",
        "lessThan": "d50d62d5e6ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "44c494c8e30e",
        "lessThan": "666e934d749e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "44c494c8e30e",
        "lessThan": "e1fccfb4638e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "44c494c8e30e",
        "lessThan": "81d23d2a2401",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/ptp/ptp_sysfs.c"
    ],
    "versions": [
      {
        "version": "5.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.14",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.162",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.96",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.36",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9.7",
        "lessThanOrEqual": "6.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]