UBUNTU-CVE-2015-2666

Advisory lineage Upstream: 1 Downstream: 2
Upstream
Published: 25 Mar 2015, 00:00
Last modified:22 Apr 2026, 10:05

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Mar 2015, 00:00
Published
Vulnerability first disclosed
22 Apr 2026, 10:05
Last Modified
Vulnerability information updated

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.

Affected Systems

  • ubuntulinux

    < 3.13.0-51.84

  • ubuntulinux-lts-utopic

    < 3.16.0-36.48~14.04.1

References (7)