Vulnerability Details CVE-2005-2098
The KEYCTL_JOIN_SESSION_KEYRING operation in the Linux kernel before 2.6.12.5 contains an error path that does not properly release the session management semaphore, which allows local users or remote attackers to cause a denial of service (semaphore hang) via a new session keyring (1) with an empty name string, (2) with a long name string, (3) with the key quota reached, or (4) ENOMEM.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.03
EPSS Ranking 86.1%
CVSS Severity
CVSS v2 Score 5.0
References
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5
- http://secunia.com/advisories/16355/
- http://secunia.com/advisories/17073
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
- http://www.redhat.com/support/errata/RHSA-2005-514.html
- http://www.securityfocus.com/archive/1/427980/100/0/threaded
- http://www.securityfocus.com/bid/14521
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9638
- https://usn.ubuntu.com/169-1/
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5
- http://secunia.com/advisories/16355/
- http://secunia.com/advisories/17073
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
- http://www.redhat.com/support/errata/RHSA-2005-514.html
- http://www.securityfocus.com/archive/1/427980/100/0/threaded
- http://www.securityfocus.com/bid/14521
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9638
- https://usn.ubuntu.com/169-1/
Products affected by CVE-2005-2098
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cpe:2.3:o:linux:linux_kernel:2.6.0
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cpe:2.3:o:linux:linux_kernel:2.6.1
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cpe:2.3:o:linux:linux_kernel:2.6.10
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cpe:2.3:o:linux:linux_kernel:2.6.11
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cpe:2.3:o:linux:linux_kernel:2.6.11.1
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cpe:2.3:o:linux:linux_kernel:2.6.11.2
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cpe:2.3:o:linux:linux_kernel:2.6.11.3
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cpe:2.3:o:linux:linux_kernel:2.6.11.4
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cpe:2.3:o:linux:linux_kernel:2.6.11.5
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cpe:2.3:o:linux:linux_kernel:2.6.11.6
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cpe:2.3:o:linux:linux_kernel:2.6.11.7
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cpe:2.3:o:linux:linux_kernel:2.6.11.8
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cpe:2.3:o:linux:linux_kernel:2.6.11_rc1_bk6
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cpe:2.3:o:linux:linux_kernel:2.6.12
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cpe:2.3:o:linux:linux_kernel:2.6.2
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cpe:2.3:o:linux:linux_kernel:2.6.3
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cpe:2.3:o:linux:linux_kernel:2.6.4
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cpe:2.3:o:linux:linux_kernel:2.6.5
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cpe:2.3:o:linux:linux_kernel:2.6.6
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cpe:2.3:o:linux:linux_kernel:2.6.7
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cpe:2.3:o:linux:linux_kernel:2.6.8
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cpe:2.3:o:linux:linux_kernel:2.6.8.1
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cpe:2.3:o:linux:linux_kernel:2.6.8.1.5
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cpe:2.3:o:linux:linux_kernel:2.6.9
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cpe:2.3:o:linux:linux_kernel:2.6_test9_cvs