Published: 31/08/2015 Updated: 08/04/2019

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

VMScore: 437

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Memory leak in the __key_link_end function in security/keys/keyring.c in the Linux kernel prior to 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.

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linux linux kernel

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak CVE-2015-1333 Colin Ian King discovered a flaw in the add_key function of the Linux kernel's keyring subsystem A local user can exploit this flaw to cause a denial of service due to memory ex ...

Several security issues were fixed in the kernel ...

It was found that the Linux kernel's keyring implementation would leak memory when adding a key to a keyring via the add_key() function A local attacker could use this flaw to exhaust all available memory on the system ...

CWE-119 https://bugzilla.redhat.com/show_bug.cgi?id=1245658 http://www.openwall.com/lists/oss-security/2015/07/27/7 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.4 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca4da5dd1f99fe9c59f1709fb43e818b18ad20e0 https://github.com/torvalds/linux/commit/ca4da5dd1f99fe9c59f1709fb43e818b18ad20e0 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/76050 http://www.debian.org/security/2015/dsa-3329 http://rhn.redhat.com/errata/RHSA-2015-1787.html http://rhn.redhat.com/errata/RHSA-2015-1778.html http://www.ubuntu.com/usn/USN-2691-1 http://www.ubuntu.com/usn/USN-2690-1 http://www.ubuntu.com/usn/USN-2689-1 http://www.ubuntu.com/usn/USN-2688-1 http://www.ubuntu.com/usn/USN-2687-1 https://support.f5.com/csp/article/K05211147 https://nvd.nist.gov https://www.debian.org/security/./dsa-3329 https://usn.ubuntu.com/2690-1/https://access.redhat.com/security/cve/cve-2015-1333

CVE-2015-1333

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