kernel: crypto api unprivileged arbitrary module load via request_module()
Published Mar 2, 2015
2.1
LOWCVSS 2.0
EPSS 0.55%
Description
The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a bind system call for an AF_ALG socket with a parenthesized module template expression in the salg_name field, as demonstrated by the vfat(aes) expression, a different vulnerability than CVE-2013-7421.
Affected products
No data.
Configuration 1
- < 3.18.5
Configuration 2
- 7.0
- 8.0
Configuration 3
- 12.04
- 14.04
- 14.10
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-327.el7
Fixed · RHSA-2015:2152
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-327.rt56.204.el7
Fixed · RHSA-2015:2411
Red Hat Enterprise MRG 2
kernel-rt-1:3.10.0-327.rt56.170.el6rt
Fixed · RHSA-2016:0068
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-327.el7 | Fixed | RHSA-2015:2152 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-327.rt56.204.el7 | Fixed | RHSA-2015:2411 |
| Red Hat Enterprise MRG 2 | kernel-rt-1:3.10.0-327.rt56.170.el6rt | Fixed | RHSA-2016:0068 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of the kernel as shipped with Red Hat Enterprise Linux 4, 5, and 6. This issue affects the versions of the Linux as shipped with Red Hat Enterprise Linux 7. Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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:L/Au:N/C:N/I:P/A:N
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 | 0.55% (0.00552) | 44.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.55% (0.00547) | 41.29th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.02% (0.00024) | 3.95th | 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 (22)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4943ba16bbc2db05115707b3ff7b4874e9e3c560 x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2016-0068.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.debian.org/security/2015/dsa-3170 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:057 vendor-advisoryx_refsource_MANDRIVAThird 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/2015/01/24/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/72320 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- 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-2543-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2544-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2545-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2546-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-9644 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1190546 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/4943ba16bbc2db05115707b3ff7b4874e9e3c560 x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-9644
- https://plus.google.com/+MathiasKrause/posts/PqFCo4bfrWu x_refsource_MISCPermissions Required
- https://www.cve.org/CVERecord?id=CVE-2014-9644
Change history (0)
No recorded changes yet.