CVEvulnerability
CVE-2015-2666
6.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2015-05-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-119
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 configurations
• linux linux kernel (>= 3.9 < 3.10.83)
• linux linux kernel (>= 3.11 < 3.12.40)
• linux linux kernel (>= 3.13 < 3.14.47)
• linux linux kernel (>= 3.15 < 3.16.35)
• linux linux kernel (>= 3.17 < 3.18.19)
• fedoraproject fedora 21
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4 Broken Link
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153329.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1534.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/03/20/18 Mailing List
- http://www.securitytracker.com/id/1032414 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1204722 Issue Tracking
- https://github.com/torvalds/linux/commit/f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4 Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4 Broken Link
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153329.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1534.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/03/20/18 Mailing List
- http://www.securitytracker.com/id/1032414 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1204722 Issue Tracking
- https://github.com/torvalds/linux/commit/f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4 Patch