CVE-2015-3214
Not scored
CVE-2015-3214
The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.
Exploit probability
1.6%
Published
August 31, 2015
Required by
Not available
Last source change
April 16, 2026
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2015-3214
View original source
The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee73f656a604d5aa9df86a97102e4e462dd79924
- http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33
- http://rhn.redhat.com/errata/RHSA-2015-1507.html
- http://rhn.redhat.com/errata/RHSA-2015-1508.html
- http://rhn.redhat.com/errata/RHSA-2015-1512.html
- http://www.debian.org/security/2015/dsa-3348
- http://www.openwall.com/lists/oss-security/2015/06/25/7
- http://www.securityfocus.com/bid/75273
- http://www.securitytracker.com/id/1032598
- https://bugzilla.redhat.com/show_bug.cgi?id=1229640
- https://github.com/torvalds/linux/commit/ee73f656a604d5aa9df86a97102e4e462dd79924
- https://security.gentoo.org/glsa/201510-02
- https://support.lenovo.com/product_security/qemu
- https://support.lenovo.com/us/en/product_security/qemu
- https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13
- https://www.exploit-db.com/exploits/37990/
- https://www.mail-archive.com/qemu-devel%40nongnu.org/msg304138.html