kernel: use-after-free during key garbage collection
Published Jan 9, 2015
6.9
MEDIUMCVSS 2.0
EPSS 0.34%
Description
Race condition in the key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 3.18.2 allows local users to cause a denial of service (memory corruption or panic) or possibly have unspecified other impact via keyctl commands that trigger access to a key structure member during garbage collection of a key.
Affected products
No data.
Configuration 1
- < 3.2.67
- ≥ 3.3 · < 3.4.107
- ≥ 3.5 · < 3.10.67
- ≥ 3.11 · ≤ 3.12.37
- ≥ 3.13 · ≤ 3.14.31
- ≥ 3.15 · < 3.16.35
- ≥ 3.17 · < 3.18.5
Configuration 2
- 6.0
- 7.0
- 6.0
- 7.0
- 6.6
- 7.3
- 7.4
- 7.6
- 7.7
- 6.6
- 7.1
- 7.2
- 7.3
- 7.4
- 7.5
- 7.6
- 7.7
- 6.6
- 7.3
- 7.6
- 7.7
- 6.0
- 7.0
Configuration 4
- 20
- 21
Configuration 5
- 7.0
- 8.0
Configuration 6
- 10.04
- 12.04
- 14.04
- 14.10
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-504.16.2.el6
Fixed · RHSA-2015:0864
Red Hat Enterprise Linux 7
kernel-0:3.10.0-229.7.2.ael7b
Fixed · RHSA-2015:1137
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-229.7.2.rt56.141.6.el7_1
Fixed · RHSA-2015:1139
Red Hat Enterprise MRG 2
kernel-rt-1:3.10.0-229.rt56.153.el6rt
Fixed · RHSA-2015:1138
Red Hat Enterprise Linux 5
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-504.16.2.el6 | Fixed | RHSA-2015:0864 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-229.7.2.ael7b | Fixed | RHSA-2015:1137 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-229.7.2.rt56.141.6.el7_1 | Fixed | RHSA-2015:1139 |
| Red Hat Enterprise MRG 2 | kernel-rt-1:3.10.0-229.rt56.153.el6rt | Fixed | RHSA-2015:1138 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5. This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for the respective releases may address this issue.
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.
AV:L/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 | 0.34% (0.00336) | 24.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00339) | 25.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00075) | 20.07th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | 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) |
References (26)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a3a8784454692dd72e5d5d34dcdab17b4420e74c x_refsource_CONFIRMBroken Link
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0864.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1137.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1138.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.debian.org/security/2015/dsa-3128 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:058 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/01/06/10 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/71880 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036763 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2511-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2512-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2513-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2514-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2515-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2516-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2517-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2518-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-9529 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1179813 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99641 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/a3a8784454692dd72e5d5d34dcdab17b4420e74c x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-9529
- https://www.cve.org/CVERecord?id=CVE-2014-9529
Change history (0)
No recorded changes yet.