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CVE-2009-2849

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Date: August 18, 2009

The md driver (drivers/md/md.c) in the Linux kernel before 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to "suspend_* sysfs attributes" and the (1) suspend_lo_store or (2) suspend_hi_store functions. NOTE: this is only a vulnerability when sysfs is writable by an attacker.

Language: C

Severity Score

Related Resources (21)

http://xorl.wordpress.com/2009/07/21/linux-kernel-md-driver-null-pointer-dereference/
http://www.securitytracker.com/id?1022961
http://secunia.com/advisories/38834
https://rhn.redhat.com/errata/RHSA-2009-1540.html
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.30.y.git%3Ba=commit%3Bh=3c92900d9a4afb176d3de335dc0da0198660a244
https://access.redhat.com/security/cve/CVE-2009-2849
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10396
http://www.openwall.com/lists/oss-security/2009/07/26/1
http://www.vupen.com/english/advisories/2010/0528
http://www.openwall.com/lists/oss-security/2009/07/24/1
http://secunia.com/advisories/38794
http://secunia.com/advisories/36501
http://secunia.com/advisories/37105
https://nvd.nist.gov/vuln/detail/CVE-2009-2849
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.2
https://exchange.xforce.ibmcloud.com/vulnerabilities/52858
https://people.canonical.com/~ubuntu-security/cve/CVE-2009-2849
http://www.ubuntu.com/usn/USN-852-1
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html
https://www.mend.io/vulnerability-database/CVE-2009-2849

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3.1

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

CVSS v2

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

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