Memory leak - CVE-2015-1333
Published: August 31, 2015 / Updated: August 4, 2020
Vulnerability identifier: #VU33642
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-1333
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __key_link_end function in security/keys/keyring.c in the Linux kernel before 4.1.4 allows local users to cause a denial of service (memory consumption) via many add_key system calls that refer to existing keys. A remote attacker can perform a denial of service attack.
Affected software
linux-grsec (Alpine package)
kernel
Fedora
kernel
Fedora
How to mitigate CVE-2015-1333
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
kernel - update to 4.1.3-201.fc22
External References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca4da5dd1f99fe9c59f1709fb43e818b18ad20e0
- http://rhn.redhat.com/errata/RHSA-2015-1778.html
- http://rhn.redhat.com/errata/RHSA-2015-1787.html
- http://www.debian.org/security/2015/dsa-3329
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.4
- http://www.openwall.com/lists/oss-security/2015/07/27/7
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/76050
- http://www.ubuntu.com/usn/USN-2687-1
- http://www.ubuntu.com/usn/USN-2688-1
- http://www.ubuntu.com/usn/USN-2689-1
- http://www.ubuntu.com/usn/USN-2690-1
- http://www.ubuntu.com/usn/USN-2691-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1245658
- https://github.com/torvalds/linux/commit/ca4da5dd1f99fe9c59f1709fb43e818b18ad20e0
- https://support.f5.com/csp/article/K05211147