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CVE-2010-2943

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Date: September 30, 2010

The xfs implementation in the Linux kernel before 2.6.35 does not look up inode allocation btrees before reading inode buffers, which allows remote authenticated users to read unlinked files, or read or overwrite disk blocks that are currently assigned to an active file but were previously assigned to an unlinked file, by accessing a stale NFS filehandle.

Language: C

Severity Score

Related Resources (29)

http://article.gmane.org/gmane.comp.file-systems.xfs.general/33771
http://secunia.com/advisories/42758
http://www.vupen.com/english/advisories/2011/0280
http://www.ubuntu.com/usn/USN-1057-1
http://www.securityfocus.com/bid/42527
http://oss.sgi.com/archives/xfs/2010-06/msg00191.html
http://www.redhat.com/support/errata/RHSA-2010-0723.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2010-2943
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1920779e67cbf5ea8afef317777c5bf2b8096188
http://secunia.com/advisories/46397
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35
https://access.redhat.com/security/cve/CVE-2010-2943
https://bugzilla.redhat.com/show_bug.cgi?id=624923
http://oss.sgi.com/archives/xfs/2010-06/msg00198.html
http://secunia.com/advisories/43161
http://article.gmane.org/gmane.comp.file-systems.xfs.general/33769
http://article.gmane.org/gmane.comp.file-systems.xfs.general/33768
http://article.gmane.org/gmane.comp.file-systems.xfs.general/33767
http://www.vupen.com/english/advisories/2011/0070
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7124fe0a5b619d65b739477b3b55a20bf805b06d
http://www.ubuntu.com/usn/USN-1041-1
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7b6259e7a83647948fa33a736cc832310c8d85aa
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
https://nvd.nist.gov/vuln/detail/CVE-2010-2943
http://www.openwall.com/lists/oss-security/2010/08/19/5
http://support.avaya.com/css/P8/documents/100113326
http://www.openwall.com/lists/oss-security/2010/08/18/2
https://www.mend.io/vulnerability-database/CVE-2010-2943

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

Top Fix

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CVSS v3.1

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

CVSS v2

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

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