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Vulnerability Intelligence

CVE-2017-5715

MediumPublic exploit

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.

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
ProductAffected versionsFixed in
intel-ucodearchSee advisory20180108-1
linuxarchSee advisory4.15.1-1
linux-firmwarearchSee advisory20180518.2a9b2cf-1
linux-hardenedarchSee advisory4.15.1.1-1
linux-ltsarchSee advisory4.9.75-1
20 more affected products in the full CVE brief

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

  1. Publicly disclosed

    Jan 4, 2018

  2. 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

15 more references in the full CVE brief

FAQ

Common Questions.

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