Read the docs
TI-2018-14040 Aliases CVE-2018-19824GHSA-42gx-v2fc-7h6f

In the Linux kernel through 4.19.6, a local user could exploit a use-after-free in the…

Priority LOW 35CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 12 fixed, 3 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

In the Linux kernel through 4.19.6, a local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound device (with zero interfaces) that is mishandled in usb_audio_probe in sound/usb/card.c.

Why it matters now

EPSS 0.00564 47th percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 12 fixed, 3 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 · 7

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 4.19.6VulnerableLinux
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*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:18.10:*:*:*:*:*:*:*18.10VulnerableCanonical
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.19.6 Vulnerable ·Linux
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 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:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

Red Hat 3 advisories

  • RHSA-2019:2741 Released 2019-09-12 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-core-4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-debug-4.18.0-80.11.1.rt9.156.el8_0 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-core-4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-debug-4.18.0-80.11.1.rt9.156.el8_0 +9
  • RHSA-2019:2703 Released 2019-09-12 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-80.11.1.el8_0
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-80.11.1.el8_0, kernel-4.18.0-80.11.1.el8_0, kernel-abi-whitelists-4.18.0-80.11.1.el8_0 +21
  • RHSA-2019:2029 Released 2019-08-06 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1062.el7, kernel-tools-libs-devel-3.10.0-1062.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise MRG 2AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2019:2703
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2019:2703
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Real Time (v. 8)Fixed RHSA-2019:2741
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2019:2741
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:2029
Not affected: 1 product
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-19824
  2. 2026-10-03 Alias added: GHSA-42gx-v2fc-7h6f

References

Patch 3

Advisory 13

Sources

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