Vulnerability CVE-2015-2666
Published: 2015-05-27

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.

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 

 References:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153329.html
http://rhn.redhat.com/errata/RHSA-2015-1534.html
http://www.openwall.com/lists/oss-security/2015/03/20/18
http://www.securitytracker.com/id/1032414
https://bugzilla.redhat.com/show_bug.cgi?id=1204722
https://github.com/torvalds/linux/commit/f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4
Copyright 2024, cxsecurity.com

 

Back to Top