CVE-2015-2666

Linux Kernel < 4.0 - Stack-Based Buffer Overflow in Intel Microcode Header Parsing

Title source: llm
STIX 2.1

Description

Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.

References (7)

Core 7
Core References
Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153329.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1032414
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/03/20/18
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-1534.html
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1204722

Scores

EPSS 0.0042
EPSS Percentile 33.4%

Details

CWE
CWE-119
Status published
Products (2)
fedoraproject/fedora 21
linux/linux_kernel 3.9 - 3.10.83
Published May 27, 2015
Tracked Since Feb 18, 2026