CVE-2019-18660 json
The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable…
published 2019-11-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8377
- cvss
- 4.7
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable CPUs, aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c.
Patch / fix
- linux linux_kernel 5.4.1
- linux Debian 14, Debian 13, Debian 12 5.3.15-1
debian advisories DEBIAN-CVE-2019-18660
- linux Ubuntu 16.04 LTS 4.4.0-171.200
- linux Ubuntu 18.04 LTS 4.15.0-74.84
- linux-aws Ubuntu 16.04 LTS 4.4.0-1100.111
- linux-aws Ubuntu 18.04 LTS 4.15.0-1057.59
- linux-gcp Ubuntu 16.04 LTS 4.15.0-1052.56
- linux-gcp Ubuntu 18.04 LTS 5.0.0-1028.29~18.04.1
- linux-hwe Ubuntu 16.04 LTS 4.15.0-74.83~16.04.1
- linux-hwe Ubuntu 18.04 LTS 5.3.0-26.28~18.04.1
ubuntu advisories UBUNTU-CVE-2019-18660
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel RHEL 8 4.18.0-147.8.1.el8_1
- perf RHEL 8 4.18.0-147.8.1.el8_1
- bpftool RHEL 8 4.18.0-147.8.1.el8_1
- kernel-core RHEL 8 4.18.0-147.8.1.el8_1
- kernel-tools RHEL 8 4.18.0-147.8.1.el8_1
- python3-perf RHEL 8 4.18.0-147.8.1.el8_1
- kernel-modules RHEL 8 4.18.0-147.8.1.el8_1
- kernel-zfcpdump RHEL 8 4.18.0-147.8.1.el8_1
red hat advisories RHSA-2020:2429RHSA-2020:1372RHSA-2020:0174RHSA-2020:1016RHSA-2020:2851RHSA-2020:2933
- kernel-syms SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +1 more 4.4.121-92.129.1
- kernel-source SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +1 more 4.4.121-92.129.1
- kernel-default SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 4.4.121-92.129.1
- kgraft-patch-SLE12-SP2_Update_34 SLES for SAP 12 SP2, SLES 12 SP2-LTSS, OpenStack Cloud 7 1-3.3.1
- kernel-rt Real Time Module 15 SP1 4.12.14-14.17.1
- kernel-syms-rt Real Time Module 15 SP1 4.12.14-14.17.1
- kernel-rt_debug Real Time Module 15 SP1 4.12.14-14.17.1
- kernel-source-rt Real Time Module 15 SP1 4.12.14-14.17.1
suse advisories SUSE-SU-2020:1255-1SUSE-SU-2020:14354-1SUSE-SU-2020:0613-1SUSE-SU-2020:0599-1SUSE-SU-2020:0093-1SUSE-SU-2019:3381-1
- kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.36.1
- kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.36.1
- kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.36.1
- kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.36.1
- kernel-vanilla openSUSE Leap 15.1 4.12.14-lp151.28.36.1
- kernel-kvmsmall openSUSE Leap 15.1 4.12.14-lp151.28.36.1
- kernel-obs-build openSUSE Leap 15.1 4.12.14-lp151.28.36.1
opensuse advisories openSUSE-SU-2019:2675-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2019-18660 updated cvss 4.7
kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure
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Red Hat Enterprise Linux 5 kernelaffected: no fix planned “Out of support scope”
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Red Hat Enterprise Linux 8 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +6 moreaffected: no fix available
-
Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-147.8.1.el8_1, kernel-debuginfo-common-aarch64 4.18.0-147.8.1.el8_1, kernel-debuginfo-common-ppc64le 4.18.0-147.8.1.el8_1 Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-147.8.1.el8_1, kernel 4.18.0-147.8.1.el8_1, bpftool 4.18.0-147.8.1.el8_1, kernel-core 4.18.0-147.8.1.el8_1, kernel-tools 4.18.0-147.8.1.el8_1, python3-perf 4.18.0-147.8.1.el8_1, +15 morefixed: vendor fix RHSA-2020:1372
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Red Hat Enterprise Linux BaseOS E4S (v. 8.0) perf 4.18.0-80.23.2.el8_0, kernel 4.18.0-80.23.2.el8_0, bpftool 4.18.0-80.23.2.el8_0, kernel-core 4.18.0-80.23.2.el8_0, kernel-tools 4.18.0-80.23.2.el8_0, python3-perf 4.18.0-80.23.2.el8_0, +9 morefixed: vendor fix RHSA-2020:2429
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Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1127.el7, kernel 3.10.0-1127.el7, bpftool 3.10.0-1127.el7, python-perf 3.10.0-1127.el7, kernel-tools 3.10.0-1127.el7, kernel-tools-libs 3.10.0-1127.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-1127.el7, kernel 3.10.0-1127.el7, bpftool 3.10.0-1127.el7, python-perf 3.10.0-1127.el7, kernel-tools 3.10.0-1127.el7, kernel-tools-libs 3.10.0-1127.el7, +2 morefixed: vendor fix RHSA-2020:1016
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Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) perf 3.10.0-957.56.1.el7, kernel 3.10.0-957.56.1.el7, bpftool 3.10.0-957.56.1.el7, python-perf 3.10.0-957.56.1.el7, kernel-tools 3.10.0-957.56.1.el7, kernel-tools-libs 3.10.0-957.56.1.el7, +2 morefixed: vendor fix RHSA-2020:2851
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Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) perf 3.10.0-1062.21.1.el7, kernel 3.10.0-1062.21.1.el7, bpftool 3.10.0-1062.21.1.el7, python-perf 3.10.0-1062.21.1.el7, kernel-tools 3.10.0-1062.21.1.el7, kernel-tools-libs 3.10.0-1062.21.1.el7, +2 morefixed: vendor fix RHSA-2020:1984
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Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.el7fixed: vendor fix RHSA-2020:1016
show 18 moreshow fewer
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Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) kernel-debuginfo-common-x86_64 3.10.0-957.56.1.el7fixed: vendor fix RHSA-2020:2851
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Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) kernel-debuginfo-common-x86_64 3.10.0-1062.21.1.el7fixed: vendor fix RHSA-2020:1984
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Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-754.31.1.el6, kernel 2.6.32-754.31.1.el6, kernel-firmware 2.6.32-754.31.1.el6, kernel-abi-whitelists 2.6.32-754.31.1.el6, kernel-debuginfo-common-i686 2.6.32-754.31.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.31.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-754.31.1.el6, kernel-debuginfo-common-i686 2.6.32-754.31.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.31.1.el6fixed: vendor fix RHSA-2020:2933
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Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 4.14.0-115.17.1.el7a, kernel 4.14.0-115.17.1.el7a, kernel-alt 4.14.0-115.17.1.el7a, python-perf 4.14.0-115.17.1.el7a, kernel-tools 4.14.0-115.17.1.el7a, kernel-tools-libs 4.14.0-115.17.1.el7a, +3 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-ppc64le 4.14.0-115.17.1.el7afixed: vendor fix RHSA-2020:0174
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Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-754.31.1.el6, kernel 2.6.32-754.31.1.el6, kernel-firmware 2.6.32-754.31.1.el6, kernel-abi-whitelists 2.6.32-754.31.1.el6, kernel-debuginfo-common-i686 2.6.32-754.31.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.31.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-754.31.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.31.1.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-754.31.1.el6, kernel 2.6.32-754.31.1.el6, kernel-kdump 2.6.32-754.31.1.el6, kernel-firmware 2.6.32-754.31.1.el6, kernel-bootwrapper 2.6.32-754.31.1.el6, kernel-abi-whitelists 2.6.32-754.31.1.el6, +4 morefixed: vendor fix RHSA-2020:2933
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Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1127.el7, kernel 3.10.0-1127.el7, bpftool 3.10.0-1127.el7, python-perf 3.10.0-1127.el7, kernel-kdump 3.10.0-1127.el7, kernel-tools 3.10.0-1127.el7, +7 morefixed: vendor fix RHSA-2020:1016
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Red Hat Enterprise Linux Server EUS (v. 7.6) perf 3.10.0-957.56.1.el7, kernel 3.10.0-957.56.1.el7, bpftool 3.10.0-957.56.1.el7, python-perf 3.10.0-957.56.1.el7, kernel-kdump 3.10.0-957.56.1.el7, kernel-tools 3.10.0-957.56.1.el7, +7 morefixed: vendor fix RHSA-2020:2851
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Red Hat Enterprise Linux Server EUS (v. 7.7) perf 3.10.0-1062.21.1.el7, kernel 3.10.0-1062.21.1.el7, bpftool 3.10.0-1062.21.1.el7, python-perf 3.10.0-1062.21.1.el7, kernel-kdump 3.10.0-1062.21.1.el7, kernel-tools 3.10.0-1062.21.1.el7, +7 morefixed: vendor fix RHSA-2020:1984
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Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-754.31.1.el6, kernel-debuginfo-common-i686 2.6.32-754.31.1.el6, kernel-debuginfo-common-ppc64 2.6.32-754.31.1.el6, kernel-debuginfo-common-s390x 2.6.32-754.31.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.31.1.el6fixed: vendor fix RHSA-2020:2933
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Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-1127.el7, kernel-debuginfo-common-x86_64 3.10.0-1127.el7, kernel-debuginfo-common-ppc64le 3.10.0-1127.el7fixed: vendor fix RHSA-2020:1016
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Red Hat Enterprise Linux Server Optional EUS (v. 7.6) kernel-debuginfo-common-ppc64 3.10.0-957.56.1.el7, kernel-debuginfo-common-x86_64 3.10.0-957.56.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-957.56.1.el7fixed: vendor fix RHSA-2020:2851
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Red Hat Enterprise Linux Server Optional EUS (v. 7.7) kernel-debuginfo-common-ppc64 3.10.0-1062.21.1.el7, kernel-debuginfo-common-x86_64 3.10.0-1062.21.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-1062.21.1.el7fixed: vendor fix RHSA-2020:1984
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Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-754.31.1.el6, kernel 2.6.32-754.31.1.el6, kernel-firmware 2.6.32-754.31.1.el6, kernel-abi-whitelists 2.6.32-754.31.1.el6, kernel-debuginfo-common-i686 2.6.32-754.31.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.31.1.el6fixed: vendor fix RHSA-2020:2933
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Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-1127.el7, kernel 3.10.0-1127.el7, bpftool 3.10.0-1127.el7, python-perf 3.10.0-1127.el7, kernel-tools 3.10.0-1127.el7, kernel-tools-libs 3.10.0-1127.el7, +2 morefixed: vendor fix RHSA-2020:1016
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Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-754.31.1.el6, kernel-debuginfo-common-i686 2.6.32-754.31.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.31.1.el6fixed: vendor fix RHSA-2020:2933
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Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.el7fixed: vendor fix RHSA-2020:1016
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Red Hat Virtualization 4.2 Hypervisor for RHEL 7.6 EUS perf 3.10.0-957.56.1.el7, python-perf 3.10.0-957.56.1.el7fixed: vendor fix RHSA-2020:2851
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Red Hat Enterprise Linux 7 kernel-rt, kernel-rt-kvm, kernel-rt-trace, kernel-rt-debug-kvm, kernel-rt-trace-kvm Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) kernel-headers 3.10.0-957.56.1.el7 Red Hat Enterprise Linux Server EUS (v. 7.6) kernel-headers 3.10.0-957.56.1.el7 Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware Red Hat Virtualization 4.2 Hypervisor for RHEL 7.6 EUS kernel-headers 3.10.0-957.56.1.el7not affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 1.9 | AV:L/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
-
git.kernel.org
/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39e72bf96f5847ba87cc5bd7a3ce0fed813dc9ad
patch, vendor-advisory
-
openwall.com
/lists/oss-security/2019/11/27/1
mailing-list, patch, third-party-advisory
-
openwall.com
/lists/oss-security/2019/11/27/1
mailing-list, patch, third-party-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
vendor-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2019-12/msg00029.html
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4228-1/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4227-1/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4226-1/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4225-1/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4228-2/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4227-2/
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2020:0174
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4225-2/
vendor-advisory, third-party-advisory
-
cdn.kernel.org
/pub/linux/kernel/v5.x/ChangeLog-5.4.1
release-notes, vendor-advisory
-
security.netapp.com
/advisory/ntap-20200103-0001/
third-party-advisory
-
seclists.org
/bugtraq/2020/Jan/10
mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2019-18660
- NVD CVE-2019-18660
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.