Advisory Details

April 1st, 2025

Apple macOS AppleIntelKBLGraphics Time-Of-Check Time-Of-Use Information Disclosure Vulnerability

ZDI-25-194
ZDI-CAN-26063

CVE ID CVE-2025-24256
CVSS SCORE 6.4, AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L
AFFECTED VENDORS Apple
AFFECTED PRODUCTS macOS
VULNERABILITY DETAILS

This vulnerability allows local attackers to disclose sensitive information on affected installations of Apple macOS. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the AppleIntelKBLGraphics kext. he issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the kernel.

ADDITIONAL DETAILS Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-us/122373
DISCLOSURE TIMELINE
  • 2025-02-13 - Vulnerability reported to vendor
  • 2025-04-01 - Coordinated public release of advisory
  • 2025-04-01 - Advisory Updated
CREDIT Anonymous
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