CVE-2005-2098
First published: Mon Aug 22 2005(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | =2.6.11-rc3 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.11 | |
| Linux kernel | =2.6.12-rc1 | |
| Linux kernel | =2.6.12-rc4 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.11.2 | |
| Linux kernel | =2.6.5 | |
| Linux kernel | =2.6.1 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.11.8 | |
| Linux kernel | =2.6.11_rc1_bk6 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.10 | |
| Linux kernel | =2.6.11.6 | |
| Linux kernel | =2.6.0-test5 | |
| Linux kernel | =2.6.3 | |
| Linux kernel | =2.6.0-test2 | |
| Linux kernel | =2.6.4 | |
| Linux kernel | =2.6_test9_cvs | |
| Linux kernel | =2.6.11.5 | |
| Linux kernel | =2.6.7-rc1 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.2 | |
| Linux kernel | =2.6.8-rc1 | |
| Linux kernel | =2.6.0-test11 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.1-rc2 | |
| Linux kernel | =2.6.11-rc4 | |
| Linux kernel | =2.6.8 | |
| Linux kernel | =2.6.0-test1 | |
| Linux kernel | =2.6.0-test6 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.10-rc2 | |
| Linux kernel | =2.6.0-test4 | |
| Linux kernel | =2.6.0 | |
| Linux kernel | =2.6.0-test10 | |
| Linux kernel | =2.6.0-test9 | |
| Linux kernel | =2.6.11.3 | |
| Linux kernel | =2.6.7 | |
| Linux kernel | =2.6.11-rc2 | |
| Linux kernel | =2.6.1-rc1 | |
| Linux kernel | =2.6.6-rc1 | |
| Linux kernel | =2.6.9-2.6.20 | |
| Linux kernel | =2.6.11.7 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.0-test7 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.8.1 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.8-rc2 | |
| Linux kernel | =2.6.8.1.5 | |
| Linux kernel | =2.6.8-rc3 | |
| Linux kernel | =2.6.11.4 | |
| Linux kernel | =2.6.0-test8 | |
| Linux kernel | =2.6.11.1 | |
| Linux kernel | =2.6.6 | |
| Linux kernel | =2.6.0-test3 |
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Reference Links
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.5
- http://secunia.com/advisories/16355/
- http://www.securityfocus.com/bid/14521
- http://www.redhat.com/support/errata/RHSA-2005-514.html
- http://secunia.com/advisories/17073
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9638
- https://usn.ubuntu.com/169-1/
- http://www.securityfocus.com/archive/1/427980/100/0/threaded
Frequently Asked Questions
What is the severity of CVE-2005-2098?
CVE-2005-2098 is classified as a high-severity vulnerability due to its potential to cause denial of service (semaphore hang).
How do I fix CVE-2005-2098?
To fix CVE-2005-2098, update the Linux kernel to version 2.6.12.5 or later, where the vulnerability is patched.
What does CVE-2005-2098 affect?
CVE-2005-2098 affects the KEYCTL_JOIN_SESSION_KEYRING operation in the Linux kernel versions prior to 2.6.12.5.
Who can exploit CVE-2005-2098?
Both local users and remote attackers can exploit CVE-2005-2098 to cause a denial of service.
What kind of denial of service does CVE-2005-2098 cause?
CVE-2005-2098 can cause a denial of service by resulting in a semaphore hang, disrupting the session keyring management.
- agent/softwarecombine
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/remedy
- agent/references
- agent/author
- agent/severity
- agent/last-modified-date
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/linux
- canonical/linux kernel
- version/linux kernel/2.6.0
- version/linux kernel/2.6.0-test1
- version/linux kernel/2.6.0-test10
- version/linux kernel/2.6.0-test11
- version/linux kernel/2.6.0-test2
- version/linux kernel/2.6.0-test3
- version/linux kernel/2.6.0-test4
- version/linux kernel/2.6.0-test5
- version/linux kernel/2.6.0-test6
- version/linux kernel/2.6.0-test7
- version/linux kernel/2.6.0-test8
- version/linux kernel/2.6.0-test9
- version/linux kernel/2.6.1
- version/linux kernel/2.6.1-rc1
- version/linux kernel/2.6.1-rc2
- version/linux kernel/2.6.2
- version/linux kernel/2.6.3
- version/linux kernel/2.6.4
- version/linux kernel/2.6.5
- version/linux kernel/2.6.6
- version/linux kernel/2.6.6-rc1
- version/linux kernel/2.6.7
- version/linux kernel/2.6.7-rc1
- version/linux kernel/2.6.8
- version/linux kernel/2.6.8-rc1
- version/linux kernel/2.6.8-rc2
- version/linux kernel/2.6.8-rc3
- version/linux kernel/2.6.8.1
- version/linux kernel/2.6.8.1.5
- version/linux kernel/2.6.9-2.6.20
- version/linux kernel/2.6.10
- version/linux kernel/2.6.10-rc2
- version/linux kernel/2.6.11
- version/linux kernel/2.6.11-rc2
- version/linux kernel/2.6.11-rc3
- version/linux kernel/2.6.11-rc4
- version/linux kernel/2.6.11.1
- version/linux kernel/2.6.11.2
- version/linux kernel/2.6.11.3
- version/linux kernel/2.6.11.4
- version/linux kernel/2.6.11.5
- version/linux kernel/2.6.11.6
- version/linux kernel/2.6.11.7
- version/linux kernel/2.6.11.8
- version/linux kernel/2.6.11_rc1_bk6
- version/linux kernel/2.6.12-rc1
- version/linux kernel/2.6.12-rc4
- version/linux kernel/2.6_test9_cvs