CVE-2015-7872

LOW

Description

The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 4.2.6 allows local users to cause a denial of service (OOPS) via crafted keyctl commands.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce1fad2740c648a4340f6f6c391a8a83769d2e8c

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61

http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html

http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html

http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html

http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

http://marc.info/?l=bugtraq&m=145975164525836&w=2

http://rhn.redhat.com/errata/RHSA-2015-2636.html

http://rhn.redhat.com/errata/RHSA-2016-0185.html

http://rhn.redhat.com/errata/RHSA-2016-0212.html

http://rhn.redhat.com/errata/RHSA-2016-0224.html

http://www.debian.org/security/2015/dsa-3396

http://www.openwall.com/lists/oss-security/2015/10/20/6

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

http://www.securityfocus.com/bid/77544

http://www.securitytracker.com/id/1034472

http://www.ubuntu.com/usn/USN-2823-1

http://www.ubuntu.com/usn/USN-2824-1

http://www.ubuntu.com/usn/USN-2826-1

http://www.ubuntu.com/usn/USN-2829-1

http://www.ubuntu.com/usn/USN-2829-2

http://www.ubuntu.com/usn/USN-2840-1

http://www.ubuntu.com/usn/USN-2840-2

http://www.ubuntu.com/usn/USN-2843-1

http://www.ubuntu.com/usn/USN-2843-2

http://www.ubuntu.com/usn/USN-2843-3

https://bugzilla.redhat.com/show_bug.cgi?id=1272172

https://bugzilla.redhat.com/show_bug.cgi?id=1272371

https://github.com/torvalds/linux/commit/ce1fad2740c648a4340f6f6c391a8a83769d2e8c

https://github.com/torvalds/linux/commit/f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05068676

https://source.android.com/security/bulletin/2016-12-01.html

Details

Source: MITRE

Published: 2015-11-16

Updated: 2017-01-20

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 4.2.6 (inclusive)

Tenable Plugins

View all (37 total)

IDNameProductFamilySeverity
124812EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1488)NessusHuawei Local Security Checks
high
124798EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1474)NessusHuawei Local Security Checks
high
99163OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0057) (Dirty COW)NessusOracleVM Local Security Checks
critical
93289SUSE SLES11 Security Update : kernel (SUSE-SU-2016:2074-1)NessusSuSE Local Security Checks
critical
90482openSUSE Security Update : the Linux Kernel (openSUSE-2016-445)NessusSuSE Local Security Checks
critical
90019OracleVM 3.2 : kernel-uek (OVMSA-2016-0037)NessusOracleVM Local Security Checks
critical
88799Scientific Linux Security Update : kernel on SL7.x x86_64 (20160216)NessusScientific Linux Local Security Checks
high
88792RHEL 6 : MRG (RHSA-2016:0224)NessusRed Hat Local Security Checks
high
88791RHEL 7 : kernel-rt (RHSA-2016:0212)NessusRed Hat Local Security Checks
high
88786RHEL 7 : kernel (RHSA-2016:0185)NessusRed Hat Local Security Checks
high
88778Oracle Linux 7 : kernel (ELSA-2016-0185)NessusOracle Linux Local Security Checks
high
88759CentOS 7 : kernel (CESA-2016:0185)NessusCentOS Local Security Checks
high
88545openSUSE Security Update : the Linux Kernel (openSUSE-2016-124)NessusSuSE Local Security Checks
critical
88034OracleVM 3.3 : kernel-uek (OVMSA-2016-0005)NessusOracleVM Local Security Checks
high
87906F5 Networks BIG-IP : Linux kernel vulnerability (K94105604)NessusF5 Networks Local Security Checks
low
87835Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2016-3502)NessusOracle Linux Local Security Checks
medium
87834Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2016-3501)NessusOracle Linux Local Security Checks
low
87651SUSE SLED11 / SLES11 Security Update : kernel (SUSE-SU-2015:2339-1)NessusSuSE Local Security Checks
high
87498Ubuntu 15.10 : linux-raspi2 vulnerabilities (USN-2843-3)NessusUbuntu Local Security Checks
medium
87497Ubuntu 14.04 LTS : linux-lts-wily vulnerabilities (USN-2843-2)NessusUbuntu Local Security Checks
medium
87495SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2015:2292-1)NessusSuSE Local Security Checks
medium
87470Ubuntu 15.10 : linux vulnerabilities (USN-2843-1)NessusUbuntu Local Security Checks
medium
87465Ubuntu 12.04 LTS : linux vulnerabilities (USN-2840-1)NessusUbuntu Local Security Checks
medium
87403Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20151215)NessusScientific Linux Local Security Checks
medium
87398RHEL 6 : kernel (RHSA-2015:2636)NessusRed Hat Local Security Checks
medium
87396Oracle Linux 6 : kernel (ELSA-2015-2636)NessusOracle Linux Local Security Checks
medium
87381CentOS 6 : kernel (CESA-2015:2636)NessusCentOS Local Security Checks
medium
87217Ubuntu 14.04 LTS : linux-lts-vivid vulnerabilities (USN-2829-2)NessusUbuntu Local Security Checks
medium
87216Ubuntu 15.04 : linux vulnerabilities (USN-2829-1)NessusUbuntu Local Security Checks
medium
87214SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2015:2194-1)NessusSuSE Local Security Checks
medium
87203Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2826-1)NessusUbuntu Local Security Checks
medium
87170Ubuntu 14.04 LTS : linux-lts-utopic vulnerability (USN-2824-1)NessusUbuntu Local Security Checks
low
87169Ubuntu 14.04 LTS : linux vulnerabilities (USN-2823-1)NessusUbuntu Local Security Checks
medium
87104SUSE SLED11 / SLES11 Security Update : kernel (SUSE-SU-2015:2108-1)NessusSuSE Local Security Checks
high
87014Amazon Linux AMI : kernel (ALAS-2015-610)NessusAmazon Linux Local Security Checks
low
86832Debian DSA-3396-1 : linux - security updateNessusDebian Local Security Checks
medium
86668openSUSE Security Update : the Linux Kernel (openSUSE-2015-686)NessusSuSE Local Security Checks
high