CVEvulnerability

CVE-2008-4302

5.5 MEDIUM Published 2008-09-29 Modified 2026-06-16 Official page ↗

Status: Modified
Published: 2008-09-29
Last modified: 2026-06-16
Assigner: [email protected]
CVSS 3.1 ([email protected]): 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected]): 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
Weaknesses: CWE-667

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.

Affected configurations

• linux linux kernel (< 2.6.22.2) • debian debian linux 4.0 • redhat enterprise linux 5.0

Weakness · CWE (1)

CWE-667 Improper Locking weakness

Referenced by CWE · observed example (3)

CWE-667 Improper Locking weakness
CWE-755 Improper Handling of Exceptional Conditions weakness
CWE-832 Unlock of a Resource that is not Locked weakness

References

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=6a860c979b35469e4d77da781a96bdb2ca05ae64 Broken Link
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.2 Broken Link
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html Mailing List, Third Party Advisory
http://lkml.org/lkml/2007/7/20/168 Exploit, Mailing List, Third Party Advisory
http://secunia.com/advisories/32237 Broken Link
http://secunia.com/advisories/32485 Broken Link
http://secunia.com/advisories/32759 Broken Link
http://www.debian.org/security/2008/dsa-1653 Third Party Advisory
http://www.juniper.net/security/auto/vulnerabilities/vuln31201.html Broken Link
http://www.openwall.com/lists/oss-security/2008/09/16/10 Mailing List, Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0957.html Broken Link
http://www.securityfocus.com/bid/31201 Broken Link, Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=462434 Issue Tracking, Patch, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/45191 Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10547 Broken Link
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=6a860c979b35469e4d77da781a96bdb2ca05ae64 Broken Link
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.2 Broken Link
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html Mailing List, Third Party Advisory
http://lkml.org/lkml/2007/7/20/168 Exploit, Mailing List, Third Party Advisory
http://secunia.com/advisories/32237 Broken Link
http://secunia.com/advisories/32485 Broken Link
http://secunia.com/advisories/32759 Broken Link
http://www.debian.org/security/2008/dsa-1653 Third Party Advisory
http://www.juniper.net/security/auto/vulnerabilities/vuln31201.html Broken Link
http://www.openwall.com/lists/oss-security/2008/09/16/10 Mailing List, Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0957.html Broken Link
http://www.securityfocus.com/bid/31201 Broken Link, Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=462434 Issue Tracking, Patch, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/45191 Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10547 Broken Link