CVE-2024-49860
kernel: ACPI: sysfs: validate return type of _STR method
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 21, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel. This vulnerability occurs in the ACPI (Advanced Configuration and Power Interface) system file system (sysfs) when processing the _STR method. If a non-buffer object is returned, the system attempts to access invalid memory. A local attacker could exploit this to cause the system to crash, leading to a denial of service, and potentially gain access to sensitive information.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-843 · Access of Resource Using Incompatible Type ('Type Confusion')