The (1) real_lookup and (2) __lookup_hash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted (aka S_DEAD) directory, which allows local users to cause a denial of service ("overflow" of the UBIFS orphan area) via a series of attempted file creations within deleted directories.
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.15
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html
http://lkml.org/lkml/2008/7/2/83
http://secunia.com/advisories/31551
http://secunia.com/advisories/31614
http://secunia.com/advisories/31836
http://secunia.com/advisories/31881
http://secunia.com/advisories/32023
http://secunia.com/advisories/32104
http://secunia.com/advisories/32190
http://secunia.com/advisories/32344
http://secunia.com/advisories/33201
http://secunia.com/advisories/33280
http://secunia.com/advisories/33556
http://www.debian.org/security/2008/dsa-1630
http://www.debian.org/security/2008/dsa-1636
http://www.mandriva.com/security/advisories?name=MDVSA-2008:220
http://www.redhat.com/support/errata/RHSA-2008-0787.html
http://www.redhat.com/support/errata/RHSA-2008-0857.html
http://www.redhat.com/support/errata/RHSA-2008-0885.html
http://www.redhat.com/support/errata/RHSA-2008-0973.html
http://www.redhat.com/support/errata/RHSA-2009-0014.html
http://www.securityfocus.com/bid/30647
http://www.securitytracker.com/id?1020739
http://www.vupen.com/english/advisories/2008/2430
https://bugzilla.redhat.com/show_bug.cgi?id=457858
https://exchange.xforce.ibmcloud.com/vulnerabilities/44410
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10744
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6551
Source: MITRE
Published: 2008-08-12
Updated: 2020-08-14
Type: CWE-120
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM
OR
OR
OR
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*
OR
cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp1:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp1:*:*:*:*:*:*
ID | Name | Product | Family | Severity |
---|---|---|---|---|
89116 | VMware ESX / ESXi Multiple Vulnerabilities (VMSA-2009-0014) (remote check) | Nessus | Misc. | critical |
79448 | OracleVM 2.1 : kernel (OVMSA-2008-2006) | Nessus | OracleVM Local Security Checks | high |
67790 | Oracle Linux 4 : kernel (ELSA-2009-0014) | Nessus | Oracle Linux Local Security Checks | high |
67763 | Oracle Linux 3 : kernel (ELSA-2008-0973) | Nessus | Oracle Linux Local Security Checks | high |
67747 | Oracle Linux 5 : kernel (ELSA-2008-0885) | Nessus | Oracle Linux Local Security Checks | high |
60520 | Scientific Linux Security Update : kernel on SL4.x i386/x86_64 | Nessus | Scientific Linux Local Security Checks | high |
60507 | Scientific Linux Security Update : kernel on SL3.x i386/x86_64 | Nessus | Scientific Linux Local Security Checks | high |
60477 | Scientific Linux Security Update : kernel on SL5.x i386/x86_64 | Nessus | Scientific Linux Local Security Checks | high |
59131 | SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 5608) | Nessus | SuSE Local Security Checks | critical |
59130 | SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 5605) | Nessus | SuSE Local Security Checks | critical |
48901 | SuSE9 Security Update : Linux kernel (YOU Patch Number 12636) | Nessus | SuSE Local Security Checks | critical |
43727 | CentOS 4 : kernel (CESA-2009:0014) | Nessus | CentOS Local Security Checks | high |
43710 | CentOS 5 : kernel (CESA-2008:0885) | Nessus | CentOS Local Security Checks | high |
42179 | VMSA-2009-0014 : VMware ESX patches for DHCP, Service Console kernel, and JRE resolve multiple security issues | Nessus | VMware ESX Local Security Checks | critical |
41534 | SuSE 10 Security Update : Linux Kernel (x86) (ZYPP Patch Number 5565) | Nessus | SuSE Local Security Checks | critical |
40009 | openSUSE Security Update : kernel (kernel-171) | Nessus | SuSE Local Security Checks | critical |
35381 | RHEL 4 : kernel (RHSA-2009:0014) | Nessus | Red Hat Local Security Checks | high |
35323 | RHEL 2.1 : kernel (RHSA-2009:0001) | Nessus | Red Hat Local Security Checks | high |
35190 | RHEL 3 : kernel (RHSA-2008:0973) | Nessus | Red Hat Local Security Checks | high |
35186 | CentOS 3 : kernel (CESA-2008:0973) | Nessus | CentOS Local Security Checks | high |
34331 | SuSE 10 Security Update : the Linux Kernel (x86) (ZYPP Patch Number 5566) | Nessus | SuSE Local Security Checks | critical |
34288 | RHEL 5 : kernel (RHSA-2008:0885) | Nessus | Red Hat Local Security Checks | high |
34171 | Debian DSA-1636-1 : linux-2.6.24 - denial of service/information leak | Nessus | Debian Local Security Checks | high |
34048 | Ubuntu 6.06 LTS / 7.04 / 7.10 / 8.04 LTS : linux, linux-source-2.6.15/20/22 vulnerabilities (USN-637-1) | Nessus | Ubuntu Local Security Checks | high |
34032 | Debian DSA-1630-1 : linux-2.6 - denial of service/information leak | Nessus | Debian Local Security Checks | high |
801465 | CentOS RHSA-2009-0014 Security Check | Log Correlation Engine | Generic | high |
801460 | CentOS RHSA-2008-0973 Security Check | Log Correlation Engine | Generic | high |
801457 | CentOS RHSA-2008-0885 Security Check | Log Correlation Engine | Generic | high |