CVE-2017-5715
MediumPublic exploitSystems with microprocessors utilizing speculative execution and indirect 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-2017-5715, Branch Target Injection, DEBIAN-CVE-2017-5715, DLA-1422-1, DLA-2148-1, DLA-2743-1, DSA-4201-1, SUSE-RU-2018:0779-1, SUSE-RU-2018:0821-1, SUSE-SU-2018:0007-1, SUSE-SU-2018:0008-1, SUSE-SU-2018:0020-1, SUSE-SU-2018:0036-1, SUSE-SU-2018:0041-1, SUSE-SU-2018:0051-1, SUSE-SU-2018:0056-1, SUSE-SU-2018:0068-1, SUSE-SU-2018:0069-1, SUSE-SU-2018:0113-1, SUSE-SU-2018:0114-1, SUSE-SU-2018:0131-1, SUSE-SU-2018:0171-1, SUSE-SU-2018:0285-1, SUSE-SU-2018:0552-1, SUSE-SU-2018:0552-2, SUSE-SU-2018:0705-1, SUSE-SU-2018:0708-1, SUSE-SU-2018:0757-1, SUSE-SU-2018:0838-1, SUSE-SU-2018:0861-1, SUSE-SU-2018:0909-1, SUSE-SU-2018:0920-1, SUSE-SU-2018:1295-1, SUSE-SU-2018:1363-1, SUSE-SU-2018:1368-1, SUSE-SU-2018:1376-1, SUSE-SU-2018:1386-1, SUSE-SU-2018:1465-1, SUSE-SU-2018:1486-1, SUSE-SU-2018:1498-1, SUSE-SU-2018:1503-1, SUSE-SU-2018:1571-1, SUSE-SU-2018:1571-2, SUSE-SU-2018:1603-1, SUSE-SU-2018:1658-1, SUSE-SU-2018:1699-1, SUSE-SU-2018:1699-2, SUSE-SU-2018:1759-1, SUSE-SU-2018:1784-1, SUSE-SU-2018:1822-1, SUSE-SU-2018:2082-1, SUSE-SU-2018:2092-1, SUSE-SU-2018:2189-1, SUSE-SU-2018:2528-1, SUSE-SU-2018:2631-1, SUSE-SU-2018:2631-2, SUSE-SU-2019:13999-1, Spectre V2, Spectre Variant 2, UBUNTU-CVE-2017-5715, USN-3516-1, USN-3530-1, USN-3531-1, USN-3531-3, USN-3540-1, USN-3540-2, USN-3541-2, USN-3542-1, USN-3549-1, USN-3560-1, USN-3561-1, USN-3594-1, USN-3597-2, USN-3690-1, USN-3777-3
Key Facts
Patch immediately- CVE-2017-5715 is a medium-severity vulnerability (CVSS 5.6 v3.1) affecting intel-ucode (arch), linux (arch), linux-firmware (arch) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 74% probability of exploitation in the next 30 days.
- Fixed versions are available, including AAVMF 1:1.2-5.el7, amd64-microcode 3.20180515.1, amd64-microcode 3.20180524.1~ubuntu0.14.04.1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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)
74%
Higher than 99.4% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-5715 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 indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
Affected Products
3,352 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| intel-ucodearch | See advisory | 20180108-1 |
| linuxarch | See advisory | 4.15.1-1 |
| linux-firmwarearch | See advisory | 20180518.2a9b2cf-1 |
| linux-hardenedarch | See advisory | 4.15.1.1-1 |
| linux-ltsarch | See advisory | 4.9.75-1 |
Patched Releases
AAVMF
1:1.2-5.el7
amd64-microcode
3.20180515.1, 3.20180524.1~ubuntu0.14.04.1, 3.20180524.1~ubuntu0.16.04.1, 3.20180524.1~ubuntu0.18.04.1, 3.20181128.1~deb8u1, 3.20181128.1~deb9u1
arm-trusted-firmware
2.12.16+dfsg-1, 2.5-2.3
arm-trusted-firmware-tools
2.5-2.3
bbswitch
0.8-12.2.1, 0.8-12.4.1
bbswitch-kmp-default
0.8_k4.4.114_42-12.2.1, 0.8_k4.4.132_53-12.4.1
cluster-fs
1.0-22.5.1, 1.0-35.3.1
cluster-md-kmp-default
4.12.14-25.3.1, 4.4.103-6.38.1, 4.4.103-92.56.1, 4.4.103-92.59.1, 4.4.103-94.6.1, 4.4.114-92.64.1, 4.4.114-94.11.3
cluster-md-kmp-rt
4.4.104-24.1, 4.4.114-27.1, 4.4.120-3.8.1
cluster-network
1.4-2.32.4.6, 1.4-2.32.6.1, 1.4-26.4.1, 1.4-27.2.1
cluster-network-kmp-bigmem
1.4_3.0.101_108.35-2.32.4.6, 1.4_3.0.101_108.87-2.32.6.1
cluster-network-kmp-default
1.4_3.0.101_108.35-2.32.4.6, 1.4_3.0.101_108.87-2.32.6.1, 1.4_k3.12.61_52.133-26.4.1, 1.4_k3.12.74_60.64.93-27.2.1, 4.4.103-92.56.1, 4.4.103-92.59.1, 4.4.114-92.64.1
cluster-network-kmp-pae
1.4_3.0.101_108.35-2.32.4.6, 1.4_3.0.101_108.87-2.32.6.1
cluster-network-kmp-ppc64
1.4_3.0.101_108.35-2.32.4.6, 1.4_3.0.101_108.87-2.32.6.1
cluster-network-kmp-rt
1.4_3.0.101_rt130_69.14-2.32.4.6, 1.4_3.0.101_rt130_69.42-2.32.6.1, 4.4.104-24.1, 4.4.114-27.1
cluster-network-kmp-rt_trace
1.4_3.0.101_rt130_69.14-2.32.4.6, 1.4_3.0.101_rt130_69.42-2.32.6.1
cluster-network-kmp-trace
1.4_3.0.101_108.35-2.32.4.6, 1.4_3.0.101_108.87-2.32.6.1
cluster-network-kmp-xen
1.4_3.0.101_108.35-2.32.4.6, 1.4_3.0.101_108.87-2.32.6.1, 1.4_k3.12.61_52.133-26.4.1, 1.4_k3.12.74_60.64.93-27.2.1
cpp43
4.3.4_20091019-37.9.1
crash
7.1.5-15.3.45, 7.1.8-4.8.1, 7.1.8-6.1, 7.1.8-8.1
crash-devel
7.1.5-15.3.45, 7.1.8-4.8.1, 7.1.8-6.1, 7.1.8-8.1
crash-doc
7.1.8-6.1, 7.1.8-8.1
crash-eppic
7.1.8-6.1, 7.1.8-8.1
crash-gcore
7.1.8-6.1, 7.1.8-8.1
crash-kmp-default
7.1.5_k4.4.114_92.67-15.3.45, 7.1.8_k4.4.114_42-6.1, 7.1.8_k4.4.131_94.29-4.8.1, 7.1.8_k4.4.132_53-8.1
Timeline
Publicly disclosed
Jan 4, 2018
Last updated
Aug 4, 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
- CWE-1037 Processor Optimization Removal or Modification of Security-critical Code
References
- advisoryhttp://nvidia.custhelp.com/app/answers/detail/a_id/4609
- advisoryhttp://nvidia.custhelp.com/app/answers/detail/a_id/4611
- advisoryhttp://nvidia.custhelp.com/app/answers/detail/a_id/4613
- advisoryhttp://nvidia.custhelp.com/app/answers/detail/a_id/4614
- advisoryhttp://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.html
FAQ
Common Questions.
Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
Affected: intel-ucode (arch); linux (arch); linux-firmware (arch), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
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, amd64-microcode 3.20180515.1, amd64-microcode 3.20180524.1~ubuntu0.14.04.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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