LOW
kernel: Keyrings crash triggerable by unprivileged user
Published Nov 16, 2015
2.1
LOWCVSS 2.0
EPSS 0.51%
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.
Affected products
No data.
- ≤ 4.2.6
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-573.12.1.el6
Fixed · RHSA-2015:2636
Red Hat Enterprise Linux 7
kernel-0:3.10.0-327.10.1.el7
Fixed · RHSA-2016:0185
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-327.10.1.rt56.211.el7_2
Fixed · RHSA-2016:0212
Red Hat Enterprise MRG 2
kernel-rt-1:3.10.0-327.rt56.171.el6rt
Fixed · RHSA-2016:0224
Red Hat Enterprise Linux 5
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-573.12.1.el6 | Fixed | RHSA-2015:2636 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-327.10.1.el7 | Fixed | RHSA-2016:0185 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-327.10.1.rt56.211.el7_2 | Fixed | RHSA-2016:0212 |
| Red Hat Enterprise MRG 2 | kernel-rt-1:3.10.0-327.rt56.171.el6rt | Fixed | RHSA-2016:0224 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the Linux kernels as shipped with Red Hat Enterprise Linux 6 , 7 and Red Hat MRG 2. Future updates for the respective releases may address this flaw.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
2.1 LOW NVD
AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.51% 0.00508
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00508
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.51% (0.00508) | 41.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.51% (0.00508) | 39.08th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00086) | 22.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00046) | 19.07th | v3 (v2023.03.01) |
| May 8, 2024 | 0.05% (0.00046) | 16.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00046) | 14.05th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
Weaknesses (2)
References (49)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce1fad2740c648a4340f6f6c391a8a83769d2e8c x_refsource_CONFIRM
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61 x_refsource_CONFIRMVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=bugtraq&m=145975164525836&w=2 vendor-advisoryx_refsource_HP
- http://rhn.redhat.com/errata/RHSA-2015-2636.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-0185.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-0212.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-0224.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2015/dsa-3396 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2015/10/20/6 mailing-listx_refsource_MLIST
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/77544 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034472 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2823-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2824-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2826-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2829-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2829-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2840-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2840-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2843-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2843-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2843-3 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-7872 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1272172 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1272371 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/ce1fad2740c648a4340f6f6c391a8a83769d2e8c x_refsource_CONFIRMVendor Advisory
- https://github.com/torvalds/linux/commit/f05819df10d7b09f6d1eb6f8534a8f68e5a4fe61 x_refsource_CONFIRM
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05068676 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2015-7872
- https://source.android.com/security/bulletin/2016-12-01.html x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2015-7872
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Nov 16, 2015
Updated Aug 6, 2024
Reserved Oct 20, 2015
Link CVE-2015-7872
CISA Vulnrichment
Updated n/a