Vulnerability Description
fs/splice.c in the splice subsystem in the Linux kernel before 2.6.22.2 does not properly handle a failure of the add_to_page_cache_lru function, and subsequently attempts to unlock a page that was not locked, which allows local users to cause a denial of service (kernel BUG and system crash), as demonstrated by the fio I/O tool.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.22.2 |
| Debian | Debian Linux | 4.0 |
| Redhat | Enterprise Linux | 5.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Broken Link
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.2Broken Link
- http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.htmlMailing ListThird Party Advisory
- http://lkml.org/lkml/2007/7/20/168ExploitMailing ListThird Party Advisory
- http://secunia.com/advisories/32237Broken Link
- http://secunia.com/advisories/32485Broken Link
- http://secunia.com/advisories/32759Broken Link
- http://www.debian.org/security/2008/dsa-1653Third Party Advisory
- http://www.juniper.net/security/auto/vulnerabilities/vuln31201.htmlBroken Link
- http://www.openwall.com/lists/oss-security/2008/09/16/10Mailing ListThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2008-0957.htmlBroken Link
- http://www.securityfocus.com/bid/31201Broken LinkThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=462434Issue TrackingPatchThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45191Third Party AdvisoryVDB Entry
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Broken Link
FAQ
What is CVE-2008-4302?
CVE-2008-4302 is a vulnerability with a CVSS score of 5.5 (MEDIUM). fs/splice.c in the splice subsystem in the Linux kernel before 2.6.22.2 does not properly handle a failure of the add_to_page_cache_lru function, and subsequently attempts to unlock a page that was no...
How severe is CVE-2008-4302?
CVE-2008-4302 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2008-4302?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Redhat Enterprise Linux.