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CVE-2009-2846

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Date: August 18, 2009

The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.

Language: C

Severity Score

Related Resources (10)

http://www.openwall.com/lists/oss-security/2009/08/10/1
https://nvd.nist.gov/vuln/detail/CVE-2009-2846
https://people.canonical.com/~ubuntu-security/cve/CVE-2009-2846
https://exchange.xforce.ibmcloud.com/vulnerabilities/52906
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=6b4dbcd86a9d464057fcc7abe4d0574093071fcc
http://www.ubuntu.com/usn/USN-852-1
http://www.openwall.com/lists/oss-security/2009/08/18/6
http://secunia.com/advisories/37105
https://www.mend.io/vulnerability-database/CVE-2009-2846

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): NONE
Availability (A): NONE
Additional information:

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