Vulnerability Name:

CVE-2007-5494 (CCN-38823)

Assigned:2007-11-29
Published:2007-11-29
Updated:2017-09-29
Summary:Memory leak in the Red Hat Content Accelerator kernel patch in Red Hat Enterprise Linux (RHEL) 4 and 5 allows local users to cause a denial of service (memory consumption) via a large number of open requests involving O_ATOMICLOOKUP.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2007-5494

Source: OSVDB
Type: UNKNOWN
44153

Source: CCN
Type: RHSA-2007-0993
Important: kernel security update

Source: CCN
Type: RHSA-2007-1104
Important: kernel security and bug fix update

Source: SECUNIA
Type: Vendor Advisory
27824

Source: SECUNIA
Type: Vendor Advisory
28162

Source: CCN
Type: SECTRACK ID: 1019017
Red Hat Content Accelerator Kernel Patch open(O_ATOMICLOOKUP) Function Lets Local Users Deny Service

Source: CCN
Type: ASA-2007-537
kernel security and bug fix update (RHSA-2007-1104)

Source: CCN
Type: OSVDB ID: 44153
Red Hat Linux Content Accelerator Patch for Linux Kernel O_ATOMICLOOKUP Request Saturation Local DoS

Source: REDHAT
Type: UNKNOWN
RHSA-2007:0993

Source: REDHAT
Type: UNKNOWN
RHSA-2007:1104

Source: BID
Type: UNKNOWN
26657

Source: CCN
Type: BID-26657
Red Hat Content Accelerator Memory Leak Local Denial Of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1019017

Source: CCN
Type: Red Hat Bugzilla Bug 315051
CVE-2007-5494 open(O_ATOMICLOOKUP) leaks dentry

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=315051

Source: XF
Type: UNKNOWN
rhel-content-accelerator-dos(38823)

Source: XF
Type: UNKNOWN
rhel-content-accelerator-dos(38823)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:10884

Vulnerable Configuration:Configuration 1:
  • cpe:/o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:4:*:*:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*

    • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*

    • Configuration RedHat 8:
  • cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4.6.z:ga:as:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4.6.z:ga:es:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:21806
    P
    		ELSA-2007:0993: kernel security update (Important)
    2014-05-26
    oval:org.mitre.oval:def:10884
    V
    		Memory leak in the Red Hat Content Accelerator kernel patch in Red Hat Enterprise Linux (RHEL) 4 and 5 allows local users to cause a denial of service (memory consumption) via a large number of open requests involving O_ATOMICLOOKUP.
    2013-04-29
    oval:com.redhat.rhsa:def:20070993
    P
    		RHSA-2007:0993: kernel security update (Important)
    2008-03-20
    oval:com.redhat.rhsa:def:20071104
    P
    		RHSA-2007:1104: kernel security and bug fix update (Important)
    2007-12-19
    BACK
    redhat enterprise linux 4.0
    redhat enterprise linux 5.0
    redhat enterprise linux 5
    redhat enterprise linux 5
    redhat enterprise linux 4
    redhat enterprise linux 4
    redhat enterprise linux 4
    redhat enterprise linux 4
    redhat enterprise linux 4.6.z ga
    redhat enterprise linux 4.6.z ga