CVE-2024-27001 Vulnerability Analysis & Exploit Details

CVE-2024-27001
Vulnerability Scoring

Analysis In Progress
Analysis In Progress

Attack Complexity Details

  • Attack Complexity:
    Attack Complexity Analysis In Progress
  • Attack Vector:
    Attack Vector Under Analysis
  • Privileges Required: None
    No authentication is required for exploitation.
  • Scope:
    Impact is confined to the initially vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2024-27001 Details

Status: Awaiting Analysis

Last updated: 🕘 21 Nov 2024, 09:03 UTC
Originally published on: 🕕 01 May 2024, 06:15 UTC

Time between publication and last update: 204 days

CVSS Release:

CVE-2024-27001 Vulnerability Summary

CVE-2024-27001: In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix incomplete endpoint checking While vmk80xx does have endpoint checking implemented, some things can fall through the cracks. Depending on the hardware model, URBs can have either bulk or interrupt type, and current version of vmk80xx_find_usb_endpoints() function does not take that fully into account. While this warning does not seem to be too harmful, at the very least it will crash systems with 'panic_on_warn' set on them. Fix the issue found by Syzkaller [1] by somewhat simplifying the endpoint checking process with usb_find_common_endpoints() and ensuring that only expected endpoint types are present. This patch has not been tested on real hardware. [1] Syzkaller report: usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 0 PID: 781 at drivers/usb/core/urb.c:504 usb_submit_urb+0xc4e/0x18c0 drivers/usb/core/urb.c:503 ... Call Trace: <TASK> usb_start_wait_urb+0x113/0x520 drivers/usb/core/message.c:59 vmk80xx_reset_device drivers/comedi/drivers/vmk80xx.c:227 [inline] vmk80xx_auto_attach+0xa1c/0x1a40 drivers/comedi/drivers/vmk80xx.c:818 comedi_auto_config+0x238/0x380 drivers/comedi/drivers.c:1067 usb_probe_interface+0x5cd/0xb00 drivers/usb/core/driver.c:399 ... Similar issue also found by Syzkaller:

Assessing the Risk of CVE-2024-27001

Access Complexity Graph

The exploitability of CVE-2024-27001 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2024-27001

No exploitability data is available for CVE-2024-27001.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2024-27001, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2024-27001, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2024-27001 does not compromise confidentiality.
  • Integrity: None
    CVE-2024-27001 does not impact data integrity.
  • Availability: None
    CVE-2024-27001 does not affect system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.044% (probability of exploit)

EPSS Percentile: 15.73% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 84.27% of others.

CVE-2024-27001 References

External References

CWE Common Weakness Enumeration

Unknown

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