Use-after-free in Linux kernel - CVE-2014-5045
Published: August 1, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41434
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-5045
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing the umount program. A local users can cause a denial of service (memory consumption or use-after-free) or possibly have unspecified other impact.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
How to mitigate CVE-2014-5045
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
linux (Ubuntu package) - update to 3.13.0-35.62
linux-lts-trusty (Ubuntu package) - update to 3.13.0-35.62~precise1
linux-lts-trusty (Ubuntu package) - update to 3.13.0-35.62~precise1
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=295dc39d941dc2ae53d5c170365af4c9d5c16212
- http://rhn.redhat.com/errata/RHSA-2015-0062.html
- http://secunia.com/advisories/60353
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.8
- http://www.openwall.com/lists/oss-security/2014/07/24/2
- http://www.securityfocus.com/bid/68862
- https://bugzilla.redhat.com/show_bug.cgi?id=1122472
- https://github.com/torvalds/linux/commit/295dc39d941dc2ae53d5c170365af4c9d5c16212