CVEvulnerability
CVE-2014-5045
6.2 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2014-08-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 6.2 MEDIUM — AV:L/AC:H/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-59
Description
The mountpoint_last function in fs/namei.c in the Linux kernel before 3.15.8 does not properly maintain a certain reference count during attempts to use the umount system call in conjunction with a symlink, which allows local users to cause a denial of service (memory consumption or use-after-free) or possibly have unspecified other impact via the umount program.
Affected configurations
• linux linux kernel (< 3.15.8)
• redhat enterprise linux eus 6.5
• redhat enterprise linux server aus 6.5
• redhat enterprise linux server tus 6.5
Related
Weakness · CWE (1)
- CWE-59 Improper Link Resolution Before File Access weakness
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=295dc39d941dc2ae53d5c170365af4c9d5c16212 git.kernel.org
- http://rhn.redhat.com/errata/RHSA-2015-0062.html Third Party Advisory
- http://secunia.com/advisories/60353 Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.8 Patch, Third Party Advisory, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2014/07/24/2 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/68862 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1122472 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/295dc39d941dc2ae53d5c170365af4c9d5c16212 Exploit, Patch, Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=295dc39d941dc2ae53d5c170365af4c9d5c16212 git.kernel.org
- http://rhn.redhat.com/errata/RHSA-2015-0062.html Third Party Advisory
- http://secunia.com/advisories/60353 Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.8 Patch, Third Party Advisory, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2014/07/24/2 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/68862 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1122472 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/295dc39d941dc2ae53d5c170365af4c9d5c16212 Exploit, Patch, Third Party Advisory