Buffer overflow in Linux kernel - CVE-2017-11473
Published: April 24, 2018
Vulnerability identifier: #VU12137
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-11473
CWE-ID: CWE-120
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists in the mp_override_legacy_irq() function in arch/x86/kernel/acpi/boot.c due to buffer overflow. A local attacker can submit a specially crafted ACPI table, trigger memory corruption and gain root privileges.
The weakness exists in the mp_override_legacy_irq() function in arch/x86/kernel/acpi/boot.c due to buffer overflow. A local attacker can submit a specially crafted ACPI table, trigger memory corruption and gain root privileges.
How to mitigate CVE-2017-11473
Update to version 4.12.3.