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TI-2019-13743 Aliases CVE-2019-19058GHSA-hq4j-7q59-4fj5

A memory leak in the alloc_sgtable() function in…

Priority LOW 22CWE-401Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 14 fixed, 4 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-401.

Summary

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.

Why it matters now

EPSS 0.00373 31st percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 14 fixed, 4 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 5.3.11VulnerableLinux
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*19.10VulnerableCanonical
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 5.3.11 Vulnerable ·Linux
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* Versions 19.10 Vulnerable ·Canonical
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE

Remediation

Red Hat 4 advisories

  • RHSA-2020:4060 Released 2020-09-29 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1160.el7, kernel-3.10.0-1160.el7, kernel-abi-whitelists-3.10.0-1160.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-1160.el7, kernel-3.10.0-1160.el7, kernel-abi-whitelists-3.10.0-1160.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1160.el7, kernel-3.10.0-1160.el7, kernel-abi-whitelists-3.10.0-1160.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1160.el7, kernel-tools-libs-devel-3.10.0-1160.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1160.el7, kernel-3.10.0-1160.el7, kernel-abi-whitelists-3.10.0-1160.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.el7
  • RHSA-2020:4062 Released 2020-09-29 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-1160.rt56.1131.el7, kernel-rt-debug-3.10.0-1160.rt56.1131.el7, kernel-rt-debug-devel-3.10.0-1160.rt56.1131.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1160.rt56.1131.el7, kernel-rt-debug-3.10.0-1160.rt56.1131.el7, kernel-rt-debug-devel-3.10.0-1160.rt56.1131.el7 +7
  • RHSA-2020:1769 Released 2020-04-28 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-193.el8
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-193.el8, kernel-4.18.0-193.el8, kernel-abi-whitelists-4.18.0-193.el8 +19
Show 1 more Red Hat advisories
  • RHSA-2020:1567 Released 2020-04-28 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-193.rt13.51.el8, kernel-rt-core-4.18.0-193.rt13.51.el8, kernel-rt-debug-4.18.0-193.rt13.51.el8 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-193.rt13.51.el8, kernel-rt-core-4.18.0-193.rt13.51.el8, kernel-rt-debug-4.18.0-193.rt13.51.el8 +9

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise MRG 2AffectedNo fix planned: Out of support scope
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2020:1769
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2020:1769
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2020:4060
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2020:4060
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2020:4060
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2020:4060
Red Hat Enterprise Linux Real Time (v. 8)Fixed RHSA-2020:1567
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2020:1567
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:4060
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:4060
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:4060
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:4060
Red Hat Enterprise Linux for Real Time (v. 7)Fixed RHSA-2020:4062
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2020:4062

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-19058
  2. 2026-10-03 Alias added: GHSA-hq4j-7q59-4fj5

References

Patch 1

Advisory 7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences