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    CVE-2010-2943

    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.

    Published:Jun 20, 2010
    Last Modified:Apr 11, 2025
    EPS:Sep 30, 2010
    EPSS Score:0.02402
    CVSS Score:8.1

    Affected Products

    Vendor
    Avaya
    Product
    Aura Communication Manager
    Vendor
    Avaya
    Product
    Aura Presence Services
    Vendor
    Avaya
    Product
    Aura Session Manager
    Vendor
    Avaya
    Product
    Aura System Manager
    Vendor
    Avaya
    Product
    Aura System Platform
    Vendor
    Avaya
    Product
    Aura Voice Portal
    Vendor
    Avaya
    Product
    Iq
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Vmware
    Product
    Esx

    Exploits

    http://www.securityfocus.com/bid/42527http://www.securityfocus.com/bid/42527https://www.exploit-db.com/exploits/15155

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-116 Excavation
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-169 Footprinting
    CAPEC-22 Exploiting Trust in Client
    CAPEC-224 Fingerprinting
    CAPEC-285 ICMP Echo Request Ping
    CAPEC-287 TCP SYN Scan
    CAPEC-290 Enumerate Mail Exchange (MX) Records
    CAPEC-291 DNS Zone Transfers
    CAPEC-292 Host Discovery
    CAPEC-293 Traceroute Route Enumeration
    CAPEC-294 ICMP Address Mask Request
    CAPEC-295 Timestamp Request
    CAPEC-296 ICMP Information Request
    CAPEC-297 TCP ACK Ping
    CAPEC-298 UDP Ping
    CAPEC-299 TCP SYN Ping
    CAPEC-300 Port Scanning
    CAPEC-301 TCP Connect Scan
    CAPEC-302 TCP FIN Scan
    CAPEC-303 TCP Xmas Scan
    CAPEC-304 TCP Null Scan
    CAPEC-305 TCP ACK Scan
    CAPEC-306 TCP Window Scan
    CAPEC-307 TCP RPC Scan
    CAPEC-308 UDP Scan
    CAPEC-309 Network Topology Mapping
    CAPEC-310 Scanning for Vulnerable Software
    CAPEC-312 Active OS Fingerprinting
    CAPEC-313 Passive OS Fingerprinting
    CAPEC-317 IP ID Sequencing Probe
    CAPEC-318 IP 'ID' Echoed Byte-Order Probe
    CAPEC-319 IP (DF) 'Don't Fragment Bit' Echoing Probe
    CAPEC-320 TCP Timestamp Probe
    CAPEC-321 TCP Sequence Number Probe
    CAPEC-322 TCP (ISN) Greatest Common Divisor Probe
    CAPEC-323 TCP (ISN) Counter Rate Probe
    CAPEC-324 TCP (ISN) Sequence Predictability Probe
    CAPEC-325 TCP Congestion Control Flag (ECN) Probe
    CAPEC-326 TCP Initial Window Size Probe
    CAPEC-327 TCP Options Probe
    CAPEC-328 TCP 'RST' Flag Checksum Probe
    CAPEC-329 ICMP Error Message Quoting Probe
    CAPEC-330 ICMP Error Message Echoing Integrity Probe
    CAPEC-472 Browser Fingerprinting
    CAPEC-497 File Discovery
    CAPEC-508 Shoulder Surfing
    CAPEC-573 Process Footprinting
    CAPEC-574 Services Footprinting
    CAPEC-575 Account Footprinting
    CAPEC-576 Group Permission Footprinting
    CAPEC-577 Owner Footprinting
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-616 Establish Rogue Location
    CAPEC-643 Identify Shared Files/Directories on System
    CAPEC-646 Peripheral Footprinting
    CAPEC-651 Eavesdropping
    CAPEC-79 Using Slashes in Alternate Encoding

    Related CVEs

    CVE-2022-2249 (CVSS 7.7) — Privilege escalation related vulnerabilities were discovered in Avaya Aura Communication Manager that may allo…
    CVE-2020-7029 (CVSS 6.4) — A Cross-Site Request Forgery (CSRF) vulnerability was discovered in the System Management Interface Web compon…
    CVE-2018-15617 (CVSS 6.5) — A vulnerability in the "capro" (Call Processor) process component of Avaya Aura Communication Manager could al…
    CVE-2018-15611 (CVSS 6.3) — A vulnerability in the local system administration component of Avaya Aura Communication Manager can allow an …
    CVE-2016-5285 (CVSS 7.5) — A Null pointer dereference vulnerability exists in Mozilla Network Security Services due to a missing NULL che…
    CVE-2010-2942 (CVSS 5.5) — The actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc2 does no…
    CVE-2010-2492 (CVSS 7.8) — Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Lin…
    CVE-2010-2798 (CVSS 7.8) — The gfs2_dirent_find_space function in fs/gfs2/dir.c in the Linux kernel before 2.6.35 uses an incorrect size …
    CVE-2009-3939 (CVSS 7.1) — The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable …

    References

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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High