Medium severity5.5NVD Advisory· Published Nov 7, 2019· Updated Jun 17, 2026

CVE-2019-18808

Description

A memory leak in the ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops.c in the Linux kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption), aka CID-128c66429247.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Linux kerneldescription
osv-coords83 versions
pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.1 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweed pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_3&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP4 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/almalinux/kernel-tools-libs-devel pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015 pkg:rpm/suse/kernel-livepatch-SLE15_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-vanilla&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.1
< 4.12.14-lp151.28.40.1+ 82 more
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-8.27.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 1-6.3.1
- (no CPE)range: < 5.14.6-1.4
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-8.27.1
- (no CPE)range: < 4.12.14-8.27.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 1-3.5.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 1-8.5.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-122.17.2
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.18.0-240.el8
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 1-1.3.2
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
Linux/Kernelllm-fuzzy2 versions
<=5.3.9+ 1 more
- (no CPE)range: <=5.3.9
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <=5.3.9
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
OpenSUSE/Leap
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Canonical/Ubuntu Linux4 versions
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*+ 3 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

Patches

Vulnerability mechanics

References

github.com/torvalds/linux/commit/128c66429247add5128c03dc1e144ca56f05a4e2nvdPatchThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlnvdMailing ListThird Party Advisory
www.openwall.com/lists/oss-security/2021/09/14/1nvdMailing ListThird Party Advisory
security.netapp.com/advisory/ntap-20191205-0001/nvdThird Party Advisory
usn.ubuntu.com/4525-1/nvdThird Party Advisory
usn.ubuntu.com/4526-1/nvdThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/nvd

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000