Medium severity4.7NVD Advisory· Published Nov 18, 2019· Updated Jun 17, 2026

CVE-2019-19058

Description

A memory leak in the alloc_sgtable() function in drivers/net/wireless/intel/iwlwifi/fw/dbg.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering alloc_page() failures, aka CID-b4b814fec1a5.

AI Insight

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

Affected products

Linux/Linux kerneldescription
Linux/Kernelllm-fuzzy
Range: <=5.3.11
osv-coords87 versions
pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-default&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 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-vanilla&distro=openSUSE%20Leap%2015.1 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015 pkg:rpm/suse/kernel-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-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_8&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-livepatch-SLE15_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-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-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%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%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 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%20SP4 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_11&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 4.12.14-lp151.28.36.1+ 86 more
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-5.47.1
- (no CPE)range: < 4.12.14-8.22.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.2
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-1.3.2
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-5.47.1
- (no CPE)range: < 4.12.14-8.22.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-5.47.1
- (no CPE)range: < 4.12.14-8.22.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-95.45.1
- (no CPE)range: < 4.12.14-122.7.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 1-6.5.1
- (no CPE)range: < 1-8.7.1

Patches

Vulnerability mechanics

References

github.com/torvalds/linux/commit/b4b814fec1a5a849383f7b3886b654a13abbda7dnvdPatchThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlnvdMailing ListThird Party Advisory
security.netapp.com/advisory/ntap-20191205-0001/nvdThird Party Advisory
usn.ubuntu.com/4300-1/nvdThird Party Advisory
usn.ubuntu.com/4301-1/nvdThird Party Advisory
usn.ubuntu.com/4302-1/nvdThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/nvd

News mentions

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cvss	0.306
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000