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CVE-2009-2849

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

5.1

Related Resources (21)

Url: http://xorl.wordpress.com/2009/07/21/linux-kernel-md-driver-null-pointer-dereference/

Url: http://www.securitytracker.com/id?1022961

Url: http://secunia.com/advisories/38834

Url: https://rhn.redhat.com/errata/RHSA-2009-1540.html

Url: http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.30.y.git%3Ba=commit%3Bh=3c92900d9a4afb176d3de335dc0da0198660a244

Url: https://access.redhat.com/security/cve/CVE-2009-2849

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10396

Url: http://www.openwall.com/lists/oss-security/2009/07/26/1

Url: http://www.vupen.com/english/advisories/2010/0528

Url: http://www.openwall.com/lists/oss-security/2009/07/24/1

Url: http://secunia.com/advisories/38794

Url: http://secunia.com/advisories/36501

Url: http://secunia.com/advisories/37105

Url: https://nvd.nist.gov/vuln/detail/CVE-2009-2849

Url: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.2

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/52858

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2009-2849

Url: http://www.ubuntu.com/usn/USN-852-1

Url: http://lists.vmware.com/pipermail/security-announce/2010/000082.html

Url: https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html

Url: https://www.mend.io/vulnerability-database/CVE-2009-2849

Severity Score

5.1

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:	5.1
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:	4.7
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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CVE-2009-2849

Date: August 18, 2009

Language: C

Severity Score

Related Resources (21)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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