Linux Kernel Session Keyring Allocation Local Denial of Service Vulnerability

BID:14521

Info

Linux Kernel Session Keyring Allocation Local Denial of Service Vulnerability

Bugtraq ID: 14521
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2005-2098
Remote: No
Local: Yes
Published: Aug 09 2005 12:00AM
Updated: May 26 2006 09:33PM
Credit: David Howells reported this issue.
Vulnerable: Ubuntu Ubuntu Linux 5.0 4 powerpc
Ubuntu Ubuntu Linux 5.0 4 i386
Ubuntu Ubuntu Linux 5.0 4 amd64
Trustix Secure Linux 3.0
Trustix Secure Linux 2.2
Trustix Secure Enterprise Linux 2.0
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux AS 4
Redhat Desktop 4.0
Mandriva Linux Mandrake 10.2 x86_64
Mandriva Linux Mandrake 10.2
Linux kernel 2.6.12 .1
Linux kernel 2.6.12 -rc4
Linux kernel 2.6.12 -rc1
Linux kernel 2.6.11 .8
Linux kernel 2.6.11 .7
Linux kernel 2.6.11 .6
Linux kernel 2.6.11 .5
Linux kernel 2.6.11 .11
Linux kernel 2.6.11 -rc4
Linux kernel 2.6.11 -rc3
Linux kernel 2.6.11 -rc2
Linux kernel 2.6.11
+ Redhat Fedora Core4
Linux kernel 2.6.10 rc2
Linux kernel 2.6.10
+ Redhat Fedora Core3
+ Redhat Fedora Core2
+ Trustix Secure Linux 3.0
+ Ubuntu Ubuntu Linux 5.0 4 powerpc
+ Ubuntu Ubuntu Linux 5.0 4 i386
+ Ubuntu Ubuntu Linux 5.0 4 amd64
Linux kernel 2.6.9
Linux kernel 2.6.8 rc3
Linux kernel 2.6.8 rc2
Linux kernel 2.6.8 rc1
+ Ubuntu Ubuntu Linux 4.1 ppc
+ Ubuntu Ubuntu Linux 4.1 ia64
+ Ubuntu Ubuntu Linux 4.1 ia32
Linux kernel 2.6.8
+ S.u.S.E. Linux Personal 9.2 x86_64
+ S.u.S.E. Linux Personal 9.2
+ Ubuntu Ubuntu Linux 4.1 ppc
+ Ubuntu Ubuntu Linux 4.1 ia64
+ Ubuntu Ubuntu Linux 4.1 ia32
Linux kernel 2.6.7 rc1
Linux kernel 2.6.7
Linux kernel 2.6.6 rc1
Linux kernel 2.6.6
Linux kernel 2.6.5
+ S.u.S.E. Linux Personal 9.1 x86_64
+ S.u.S.E. Linux Personal 9.1 x86_64
+ S.u.S.E. Linux Personal 9.1
+ S.u.S.E. Linux Personal 9.1
+ SuSE Linux Enterprise Server 9
Linux kernel 2.6.4
Linux kernel 2.6.3
Linux kernel 2.6.2
Linux kernel 2.6.1 -rc2
Linux kernel 2.6.1 -rc1
Linux kernel 2.6.1
Linux kernel 2.6 .10
Linux kernel 2.6 -test9-CVS
Linux kernel 2.6 -test9
Linux kernel 2.6 -test8
Linux kernel 2.6 -test7
Linux kernel 2.6 -test6
Linux kernel 2.6 -test5
Linux kernel 2.6 -test4
Linux kernel 2.6 -test3
Linux kernel 2.6 -test2
Linux kernel 2.6 -test11
Linux kernel 2.6 -test10
Linux kernel 2.6 -test1
Linux kernel 2.6
Not Vulnerable: Linux kernel 2.6.13 -rc6

Discussion

Linux Kernel Session Keyring Allocation Local Denial of Service Vulnerability

The Linux kernel is reported prone to a local denial-of-service vulnerability.

Specifically, the vulnerability presents itself when a user attempts to allocate a new session keyring and some exceptional conditions arise.

This can allow a local attacker to deny service to legitimate users.

Exploit / POC

Linux Kernel Session Keyring Allocation Local Denial of Service Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected]

Solution / Fix

Linux Kernel Session Keyring Allocation Local Denial of Service Vulnerability

Solution:
Linux kernel 2.6.13-rc6 is not affected by this issue.

Please see the referenced advisories for more information.


Linux kernel 2.6 -test6

Linux kernel 2.6 -test1

Linux kernel 2.6 -test4

Linux kernel 2.6 -test7

Linux kernel 2.6 -test9

Linux kernel 2.6 -test2

Linux kernel 2.6 -test8

Linux kernel 2.6 -test11

Linux kernel 2.6 -test10

Linux kernel 2.6 -test9-CVS

Linux kernel 2.6

Linux kernel 2.6 -test3

Linux kernel 2.6 .10

Linux kernel 2.6 -test5

Linux kernel 2.6.1 -rc1

Linux kernel 2.6.1 -rc2

Linux kernel 2.6.1

Linux kernel 2.6.10 rc2

Linux kernel 2.6.10

Linux kernel 2.6.11 -rc3

Linux kernel 2.6.11

Linux kernel 2.6.11 -rc4

Linux kernel 2.6.11 .6

Linux kernel 2.6.11 .11

Linux kernel 2.6.11 .7

Linux kernel 2.6.11 -rc2

Linux kernel 2.6.11 .8

Linux kernel 2.6.11 .5

Linux kernel 2.6.12 .1

Linux kernel 2.6.12 -rc4

Linux kernel 2.6.12 -rc1

Linux kernel 2.6.2

Linux kernel 2.6.3

Linux kernel 2.6.4

Linux kernel 2.6.5

Linux kernel 2.6.6 rc1

Linux kernel 2.6.6

Linux kernel 2.6.7

Linux kernel 2.6.7 rc1

Linux kernel 2.6.8 rc1

Linux kernel 2.6.8

Linux kernel 2.6.8 rc3

Linux kernel 2.6.8 rc2

Linux kernel 2.6.9

References

Linux Kernel Session Keyring Allocation Local Denial of Service Vulnerability

References:

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