CVE-2017-5753
MediumExploitedPublic exploitSystems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
Published Jan 4, 2018 · Updated Aug 4, 2026 · Also known as ALPINE-CVE-2017-5753, DEBIAN-CVE-2017-5753, SUSE-SU-2018:2150-1, SUSE-SU-2019:0222-1, SUSE-SU-2019:0765-1, SUSE-SU-2019:1550-1, SUSE-SU-2019:2430-1, SUSE-SU-2021:2861-1, SUSE-SU-2021:2862-1, SUSE-SU-2021:3929-1, SUSE-SU-2023:1800-1, SUSE-SU-2023:1801-1, SUSE-SU-2023:1802-1, SUSE-SU-2023:1803-1, SUSE-SU-2023:1811-1, SUSE-SU-2023:1848-1, SUSE-SU-2023:1892-1, SUSE-SU-2023:1894-1, SUSE-SU-2023:1897-1, SUSE-SU-2023:1992-1, SUSE-SU-2023:2232-1, SUSE-SU-2023:2506-1, SUSE-SU-2023:2805-1, Spectre, Spectre V1, Spectre Variant 1, UBUNTU-CVE-2017-5753, USN-3521-1
Key Facts
Patch immediately- CVE-2017-5753 is a medium-severity vulnerability (CVSS 5.6 v3.1) affecting linux (arch), linux-hardened (arch), linux-lts (arch) and 22 more products.
- It is exploited in the wild, listed in Industry KEV feed since Sep 8, 2026. Public exploit code is available.
- EPSS estimates a 94% probability of exploitation in the next 30 days.
- Fixed versions are available, including AAVMF 1:1.2-5.el7, cluster-md-kmp-64kb 5.14.21-150400.24.60.1, cluster-md-kmp-azure 5.14.21-150400.14.43.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
5.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
94%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-5753 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Sep 8, 2026 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
3,338 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| linuxarch | See advisory | 4.15.1-1 |
| linux-hardenedarch | See advisory | 4.15.1.1-1 |
| linux-ltsarch | See advisory | 4.9.75-1 |
| linux-zenarch | See advisory | 4.15.1-1 |
| nvidiaarch | See advisory | 390.25-1 |
Patched Releases
AAVMF
1:1.2-5.el7
cluster-md-kmp-64kb
5.14.21-150400.24.60.1
cluster-md-kmp-azure
5.14.21-150400.14.43.1
cluster-md-kmp-default
4.12.14-122.156.1, 4.12.14-122.255.1, 4.12.14-150100.197.142.1, 4.12.14-197.4.1, 4.12.14-25.3.1, 4.12.14-95.125.1, 4.12.14-95.13.1, 4.4.103-6.38.1, 4.4.103-92.56.1, 4.4.103-92.59.1, 4.4.103-94.6.1, 5.14.21-150400.24.161.1, 5.14.21-150400.24.60.1, 5.14.21-150500.55.100.1, 5.3.18-150200.24.148.1, 5.3.18-150300.59.118.1, 5.3.18-150300.59.201.1
cluster-md-kmp-rt
4.12.14-10.121.1, 4.12.14-14.8.1, 4.4.104-24.1, 4.4.139-3.17.1, 5.14.21-150400.15.23.1, 5.3.18-150300.124.1
cluster-network-kmp-default
4.4.103-92.56.1, 4.4.103-92.59.1
cluster-network-kmp-rt
4.4.104-24.1
dlm-kmp-64kb
5.14.21-150400.24.60.1
dlm-kmp-azure
5.14.21-150400.14.43.1
dlm-kmp-default
4.12.14-122.156.1, 4.12.14-122.255.1, 4.12.14-150100.197.142.1, 4.12.14-197.4.1, 4.12.14-25.3.1, 4.12.14-95.125.1, 4.12.14-95.13.1, 4.4.103-6.38.1, 4.4.103-92.56.1, 4.4.103-92.59.1, 4.4.103-94.6.1, 5.14.21-150400.24.161.1, 5.14.21-150400.24.60.1, 5.14.21-150500.55.100.1, 5.3.18-150200.24.148.1, 5.3.18-150300.59.118.1, 5.3.18-150300.59.201.1
dlm-kmp-rt
4.12.14-10.121.1, 4.12.14-14.8.1, 4.4.104-24.1, 4.4.139-3.17.1, 5.14.21-150400.15.23.1, 5.3.18-150300.124.1
drbd
9.0.14+git.62f906cf-4.26.2
drbd-kmp-default
9.0.14+git.62f906cf_k4.12.14_95.125-4.26.2
dtb-aarch64
5.14.21-150400.24.60.1, 5.3.18-150300.59.118.1
dtb-al
5.3.18-150300.59.118.1
dtb-allwinner
5.14.21-150400.24.60.1
dtb-altera
5.14.21-150400.24.60.1
dtb-amazon
5.14.21-150400.24.60.1
dtb-amd
5.14.21-150400.24.60.1
dtb-amlogic
5.14.21-150400.24.60.1
dtb-apm
5.14.21-150400.24.60.1
dtb-apple
5.14.21-150400.24.60.1
dtb-arm
5.14.21-150400.24.60.1
dtb-broadcom
5.14.21-150400.24.60.1
dtb-cavium
5.14.21-150400.24.60.1
Timeline
Publicly disclosed
Jan 4, 2018
Last updated
Aug 4, 2026
Added to Industry KEV feed
Sep 8, 2026
Weakness Type
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- CWE-203 Observable Discrepancy
- CWE-226 Sensitive Information in Resource Not Removed Before Reuse
- CWE-385 Covert Timing Channel
References
- advisorySUSE-SU-2018:0010
- advisorySUSE-SU-2018:0011
- advisorySUSE-SU-2018:0012
- advisoryopenSUSE-SU-2018:0022
- advisoryopenSUSE-SU-2018:0023
FAQ
Common Questions.
Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
Affected: linux (arch); linux-hardened (arch); linux-lts (arch), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Sep 8, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including AAVMF 1:1.2-5.el7, cluster-md-kmp-64kb 5.14.21-150400.24.60.1, cluster-md-kmp-azure 5.14.21-150400.14.43.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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