Memory corruption in Linux kernel - CVE-2015-3214

 

Memory corruption in Linux kernel - CVE-2015-3214

Published: August 31, 2015 / Updated: June 20, 2024


Vulnerability identifier: #VU92493
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2015-3214
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to memory corruption error within the pit_ioport_read() function in arch/x86/kvm/i8254.c. A local user can execute arbitrary code.


Affected software

Linux kernel
Gentoo Linux
Fedora
qemu
app-emulation/qemu

How to mitigate CVE-2015-3214

Install update from vendor's repository.

qemu - addressed in versions 2.0.0-1.el7.6, 2.1.3-9.fc21, 2.3.0-7.fc22, 2.3.1-1.fc22, 2.4.0-0.2.rc4.fc23, 2.4.0-1.fc23
app-emulation/qemu - update to 2.3.0-r4

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins