CVE-2008-3275 Information

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Feb 14, 2021 cve

Description

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d70b67c8bc72ee23b55381bd6a884f4796692f77 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/oval3Aorg.mitre.oval3Adef3A10744 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A6551 https://usn.ubuntu.com/637-1/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5