Linux kernel /proc race condition

linux-proc-race-condition (27790) The risk level is classified as MediumMedium Risk

Description:

Linux kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition in /proc. An attacker could exploit this vulnerability using prctl with PR_SET_DUMPABLE to gain root privileges on the system.

*CVSS:

Base Score: 3.4
  Access Vector: Local
  Access Complexity: High
  Authentication: Required
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 2.5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Privileges

Remedy:

Upgrade to the latest version of Linux kernel (2.6.17.6 or later), available from The Linux Kernel Archives Web site. See References.

For Debian GNU/Linux:
Refer to DSA-1111-1 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux:
Refer to RHSA-2006:0617-15 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux:
Refer to SUSE-SA:2006:047 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux:
Refer to SUSE-SA:2006:049 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

Platforms Affected:

  • Canonical Ubuntu 5.04
  • Canonical Ubuntu 5.10
  • Canonical Ubuntu 6.06 LTS
  • Debian Debian Linux 3.1
  • Linux Kernel 2.6.17 rc5
  • Linux Kernel 2.6.17 rc6
  • Linux Kernel 2.6.17 rc1
  • Linux Kernel 2.6.17 rc4
  • Linux Kernel 2.6.17 rc2
  • Linux Kernel 2.6.17 rc3
  • Linux Linux Kernel 2.6.16 rc3
  • Linux Linux Kernel 2.6.16 rc2
  • Linux Linux Kernel 2.6.16 rc1
  • Linux Linux Kernel 2.6.16
  • Linux Linux Kernel 2.6.16 rc5
  • Linux Linux Kernel 2.6.16 rc6
  • Linux Linux Kernel 2.6.16 rc4
  • Linux Linux Kernel 2.6.16.1
  • Linux Linux Kernel 2.6.16.10
  • Linux Linux Kernel 2.6.16.11
  • Linux Linux Kernel 2.6.16.12
  • Linux Linux Kernel 2.6.16.13
  • Linux Linux Kernel 2.6.16.14
  • Linux Linux Kernel 2.6.16.15
  • Linux Linux Kernel 2.6.16.16
  • Linux Linux Kernel 2.6.16.17
  • Linux Linux Kernel 2.6.16.18
  • Linux Linux Kernel 2.6.16.19
  • Linux Linux Kernel 2.6.16.2
  • Linux Linux Kernel 2.6.16.20
  • Linux Linux Kernel 2.6.16.21
  • Linux Linux Kernel 2.6.16.22
  • Linux Linux Kernel 2.6.16.23
  • Linux Linux Kernel 2.6.16.24
  • Linux Linux Kernel 2.6.16.3
  • Linux Linux Kernel 2.6.16.4
  • Linux Linux Kernel 2.6.16.5
  • Linux Linux Kernel 2.6.16.6
  • Linux Linux Kernel 2.6.16.7
  • Linux Linux Kernel 2.6.16.8
  • Linux Linux Kernel 2.6.16.9
  • Linux Linux Kernel 2.6.17
  • Linux Linux Kernel 2.6.17.1
  • Linux Linux Kernel 2.6.17.2
  • Linux Linux Kernel 2.6.17.3
  • Linux Linux Kernel 2.6.17.4
  • MandrakeSoft Mandrake Linux 2006 X86_64
  • MandrakeSoft Mandrake Linux 2006
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Multi Network Firewall 2.0
  • Novell Linux Desktop 9
  • Novell Open Enterprise Server
  • Novell Open Enterprise Server
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4 ES
  • SuSE Linux Enterprise Server 8
  • SUSE SuSE Linux 10.1
  • SUSE SuSE Linux 9.1
  • SuSE SuSE SLED 10
  • SuSE SuSE SLES 10
  • SuSE SuSE SLES 9
  • Turbolinux Turbolinux 10 Server
  • Turbolinux Turbolinux 10 Server x64 Ed
  • Turbolinux Turbolinux FUJI
  • Turbolinux Turbolinux Appliance Server 2.0

Reported:

Jul 14, 2006

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