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2.1

Intel Core 2 processors may mismanage memory access flag

CVE-2006-7215 · published 19 years ago
Summary

The Intel Core 2 Extreme X6800 and Core 2 Duo E6000/E4000 CPUs can incorrectly mark a memory page as accessed under certain code layout conditions. This could affect how some operating systems track memory usage, potentially leading to performance or stability issues. Update the processor microcode or apply vendor-recommended patches to correct the behavior.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
intel core_2_duo_e4000 All versions
cpe:2.3:h:intel:core_2_duo_e4000:*:*:*:*:*:*:*:*
intel core_2_duo_e6000 All versions
cpe:2.3:h:intel:core_2_duo_e6000:*:*:*:*:*:*:*:*
intel core_2_extreme_x6800 All versions
cpe:2.3:h:intel:core_2_extreme_x6800:*:*:*:*:*:*:*:*
Original advisory text
The Intel Core 2 Extreme processor X6800 and Core 2 Duo desktop processor E6000 and E4000 incorrectly set the memory page Access (A) bit for a page in certain circumstances involving proximity of t...
The Intel Core 2 Extreme processor X6800 and Core 2 Duo desktop processor E6000 and E4000 incorrectly set the memory page Access (A) bit for a page in certain circumstances involving proximity of the code segment limit to the end of a code page, which has unknown impact and attack vectors on certain operating systems other than OpenBSD, aka AI90.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
2.1 Low
Exploitation
<1% chance of attack within 30 days
Timeline
Published3 Jul 2007
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2006-7215 · NVD
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