kernel: Mishandling mutex within libsas allowing local Denial of Service
Published Mar 15, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.42%
Description
The Serial Attached SCSI (SAS) implementation in the Linux kernel through 4.15.9 mishandles a mutex within libsas, which allows local users to cause a denial of service (deadlock) by triggering certain error-handling code.
Affected products
No data.
- ≤ 4.15.9
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-957.el7
Fixed · RHSA-2018:3083
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-957.rt56.910.el7
Fixed · RHSA-2018:3096
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel-alt
Affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-957.el7 | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-957.rt56.910.el7 | Fixed | RHSA-2018:3096 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
AV:L/AC:L/Au:N/C:N/I:N/A:P
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.42% (0.00418) | 33.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.42% (0.00424) | 33.67th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00075) | 20.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.24% (0.01242) | 30.15th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.24% (0.01242) | 0.00th | v1 |
References (12)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0558f33c06bb910e2879e355192227a8e8f0219d x_refsource_MISCPatchVendor Advisory
- http://www.securityfocus.com/bid/103423 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:3083 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:3096 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-18232 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1558066 Issue Tracking
- https://github.com/torvalds/linux/commit/0558f33c06bb910e2879e355192227a8e8f0219d x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-18232
- https://usn.ubuntu.com/4163-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4163-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-18232
- https://www.debian.org/security/2018/dsa-4187 vendor-advisoryx_refsource_DEBIAN
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0558f33c06bb910e2879e355192227a8e8f0219d | x_refsource_MISCPatchVendor Advisory | |
| http://www.securityfocus.com/bid/103423 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/errata/RHSA-2018:3083 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2018:3096 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2017-18232 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1558066 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/0558f33c06bb910e2879e355192227a8e8f0219d | x_refsource_MISCPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-18232 | ||
| https://usn.ubuntu.com/4163-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://usn.ubuntu.com/4163-2/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2017-18232 | ||
| https://www.debian.org/security/2018/dsa-4187 | vendor-advisoryx_refsource_DEBIAN |
Change history (0)
No recorded changes yet.