Advisory Details

July 29th, 2024

Linux Kernel CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability

ZDI-24-997
ZDI-CAN-22869

CVE ID CVE-2024-0565
CVSS SCORE 8.3, AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
AFFECTED VENDORS Linux
AFFECTED PRODUCTS Kernel
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Linux Kernel. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of SMB headers. The issue results from the lack of proper validation of user-supplied data prior to copying it to a buffer. An attacker can leverage this vulnerability to execute code in the context of the kernel.

ADDITIONAL DETAILS Linux has issued an update to correct this vulnerability. More details can be found at:
https://access.redhat.com/security/cve/CVE-2024-0565
DISCLOSURE TIMELINE
  • 2023-12-20 - Vulnerability reported to vendor
  • 2024-07-29 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated
CREDIT fffvr
BACK TO ADVISORIES