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TI-2019-12784 Aliases CVE-2019-17133GHSA-4v38-w5qx-qhmh

In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c…

Priority MEDIUM 52CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 44 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.

Summary

In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow.

Why it matters now

EPSS 0.06706 93rd percentileScored 2026-11-07
Fix Partial Red Hat: 10 advisoriesRed Hat: 44 fixed, 1 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:*:*:*:*:*:*:*:*2.6.32 to before 3.16.77; 3.17 to before 4.4.198; 4.5 to before 4.9.198; 4.10 to before 4.14.151; 4.15 to before 4.19.81; 4.20 to before 5.3.8VulnerableLinux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*19.04VulnerableCanonical
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.32 to before 3.16.77; 3.17 to before 4.4.198; 4.5 to before 4.9.198; 4.10 to before 4.14.151; 4.15 to before 4.19.81; 4.20 to before 5.3.8 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* 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:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE

Remediation

Red Hat 10 advisories

  • RHSA-2020:0790 Released 2020-03-11 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-754.28.1.el6, kernel-abi-whitelists-2.6.32-754.28.1.el6, kernel-debug-2.6.32-754.28.1.el6 +5
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-754.28.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-754.28.1.el6, kernel-abi-whitelists-2.6.32-754.28.1.el6, kernel-debug-2.6.32-754.28.1.el6 +5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-754.28.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-754.28.1.el6, kernel-abi-whitelists-2.6.32-754.28.1.el6, kernel-bootwrapper-2.6.32-754.28.1.el6 +8
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-754.28.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-754.28.1.el6, kernel-abi-whitelists-2.6.32-754.28.1.el6, kernel-debug-2.6.32-754.28.1.el6 +5
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-754.28.1.el6
  • RHSA-2020:0664 Released 2020-03-03 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) bpftool-3.10.0-957.46.1.el7, kernel-3.10.0-957.46.1.el7, kernel-abi-whitelists-3.10.0-957.46.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) kernel-tools-libs-devel-3.10.0-957.46.1.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.6) bpftool-3.10.0-957.46.1.el7, kernel-3.10.0-957.46.1.el7, kernel-abi-whitelists-3.10.0-957.46.1.el7 +11
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.6) kernel-debug-devel-3.10.0-957.46.1.el7, kernel-tools-libs-devel-3.10.0-957.46.1.el7
    • Red Hat Virtualization 4.2 Hypervisor for RHEL 7.6 EUS kernel-devel-3.10.0-957.46.1.el7, perf-3.10.0-957.46.1.el7, python-perf-3.10.0-957.46.1.el7
  • RHSA-2020:0661 Released 2020-03-03 · Red Hat rating Important
    kernel security and enhancement update
    • Red Hat Enterprise Linux Server AUS (v. 7.2) kernel-3.10.0-327.85.1.el7, kernel-abi-whitelists-3.10.0-327.85.1.el7, kernel-debug-3.10.0-327.85.1.el7 +7
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.2) kernel-tools-libs-devel-3.10.0-327.85.1.el7
Show 7 more Red Hat advisories
  • RHSA-2020:0653 Released 2020-03-03 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 7.3) kernel-3.10.0-514.73.1.el7, kernel-abi-whitelists-3.10.0-514.73.1.el7, kernel-debug-3.10.0-514.73.1.el7 +7
    • Red Hat Enterprise Linux Server E4S (v. 7.3) kernel-3.10.0-514.73.1.el7, kernel-abi-whitelists-3.10.0-514.73.1.el7, kernel-bootwrapper-3.10.0-514.73.1.el7 +8
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.3) kernel-tools-libs-devel-3.10.0-514.73.1.el7
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.3) kernel-debug-devel-3.10.0-514.73.1.el7, kernel-tools-libs-devel-3.10.0-514.73.1.el7
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.3) kernel-tools-libs-devel-3.10.0-514.73.1.el7
    • Red Hat Enterprise Linux Server TUS (v. 7.3) kernel-3.10.0-514.73.1.el7, kernel-abi-whitelists-3.10.0-514.73.1.el7, kernel-debug-3.10.0-514.73.1.el7 +7
  • RHSA-2020:0609 Released 2020-02-26 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-693.64.1.rt56.662.el6rt, kernel-rt-debug-1:3.10.0-693.64.1.rt56.662.el6rt, kernel-rt-debug-devel-1:3.10.0-693.64.1.rt56.662.el6rt +7
  • RHSA-2020:0592 Released 2020-02-25 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Server AUS (v. 7.4) kernel-3.10.0-693.64.1.el7, kernel-abi-whitelists-3.10.0-693.64.1.el7, kernel-debug-3.10.0-693.64.1.el7 +7
    • Red Hat Enterprise Linux Server E4S (v. 7.4) kernel-3.10.0-693.64.1.el7, kernel-abi-whitelists-3.10.0-693.64.1.el7, kernel-bootwrapper-3.10.0-693.64.1.el7 +8
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) kernel-tools-libs-devel-3.10.0-693.64.1.el7
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.4) kernel-debug-devel-3.10.0-693.64.1.el7, kernel-tools-libs-devel-3.10.0-693.64.1.el7
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.4) kernel-tools-libs-devel-3.10.0-693.64.1.el7
    • Red Hat Enterprise Linux Server TUS (v. 7.4) kernel-3.10.0-693.64.1.el7, kernel-abi-whitelists-3.10.0-693.64.1.el7, kernel-debug-3.10.0-693.64.1.el7 +7
  • RHSA-2020:0543 Released 2020-02-19 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) kernel-3.10.0-862.48.1.el7, kernel-abi-whitelists-3.10.0-862.48.1.el7, kernel-debug-3.10.0-862.48.1.el7 +7
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) kernel-tools-libs-devel-3.10.0-862.48.1.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.5) kernel-3.10.0-862.48.1.el7, kernel-abi-whitelists-3.10.0-862.48.1.el7, kernel-bootwrapper-3.10.0-862.48.1.el7 +10
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.5) kernel-debug-devel-3.10.0-862.48.1.el7, kernel-tools-libs-devel-3.10.0-862.48.1.el7
  • RHSA-2020:0374 Released 2020-02-04 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1062.12.1.el7, kernel-3.10.0-1062.12.1.el7, kernel-abi-whitelists-3.10.0-1062.12.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.12.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-1062.12.1.el7, kernel-3.10.0-1062.12.1.el7, kernel-abi-whitelists-3.10.0-1062.12.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.12.1.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1062.12.1.el7, kernel-3.10.0-1062.12.1.el7, kernel-abi-whitelists-3.10.0-1062.12.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1062.12.1.el7, kernel-tools-libs-devel-3.10.0-1062.12.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1062.12.1.el7, kernel-3.10.0-1062.12.1.el7, kernel-abi-whitelists-3.10.0-1062.12.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.12.1.el7
  • RHSA-2020:0375 Released 2020-02-04 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-1062.12.1.rt56.1042.el7, kernel-rt-debug-3.10.0-1062.12.1.rt56.1042.el7, kernel-rt-debug-devel-3.10.0-1062.12.1.rt56.1042.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1062.12.1.rt56.1042.el7, kernel-rt-debug-3.10.0-1062.12.1.rt56.1042.el7, kernel-rt-debug-devel-3.10.0-1062.12.1.rt56.1042.el7 +7
  • RHSA-2020:0174 Released 2020-01-21 · Red Hat rating Important
    kernel-alt security and bug fix update
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-4.14.0-115.17.1.el7a, kernel-abi-whitelists-4.14.0-115.17.1.el7a, kernel-alt-4.14.0-115.17.1.el7a +8
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debug-devel-4.14.0-115.17.1.el7a, kernel-tools-libs-devel-4.14.0-115.17.1.el7a

Vendor assessments

Red Hat

Red Hat rating: Important. 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 Client (v. 7)Fixed RHSA-2020:0374
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2020:0374
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2020:0374
Red Hat Enterprise Linux ComputeNode EUS (v. 7.5)Fixed RHSA-2020:0543
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6)Fixed RHSA-2020:0664
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2020:0374
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5)Fixed RHSA-2020:0543
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6)Fixed RHSA-2020:0664
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2020:0790
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2020:0790
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2020:0790
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2020:0790
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2020:0375
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2020:0790
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:0374
Red Hat Enterprise Linux Server AUS (v. 7.2)Fixed RHSA-2020:0661
Red Hat Enterprise Linux Server AUS (v. 7.3)Fixed RHSA-2020:0653
Red Hat Enterprise Linux Server AUS (v. 7.4)Fixed RHSA-2020:0592
Red Hat Enterprise Linux Server E4S (v. 7.3)Fixed RHSA-2020:0653
Red Hat Enterprise Linux Server E4S (v. 7.4)Fixed RHSA-2020:0592
Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2020:0543
Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2020:0664
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2020:0790
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:0374
Red Hat Enterprise Linux Server Optional AUS (v. 7.2)Fixed RHSA-2020:0661
Red Hat Enterprise Linux Server Optional AUS (v. 7.3)Fixed RHSA-2020:0653
Red Hat Enterprise Linux Server Optional AUS (v. 7.4)Fixed RHSA-2020:0592
Red Hat Enterprise Linux Server Optional E4S (v. 7.3)Fixed RHSA-2020:0653
Red Hat Enterprise Linux Server Optional E4S (v. 7.4)Fixed RHSA-2020:0592
Red Hat Enterprise Linux Server Optional EUS (v. 7.5)Fixed RHSA-2020:0543
Red Hat Enterprise Linux Server Optional EUS (v. 7.6)Fixed RHSA-2020:0664
Red Hat Enterprise Linux Server Optional TUS (v. 7.3)Fixed RHSA-2020:0653
Red Hat Enterprise Linux Server Optional TUS (v. 7.4)Fixed RHSA-2020:0592
Red Hat Enterprise Linux Server TUS (v. 7.3)Fixed RHSA-2020:0653
Red Hat Enterprise Linux Server TUS (v. 7.4)Fixed RHSA-2020:0592
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2020:0790
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:0374
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2020:0790
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:0374
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2020:0174
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2020:0174
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2020:0375
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2020:0609
Red Hat Virtualization 4.2 Hypervisor for RHEL 7.6 EUSFixed RHSA-2020:0664
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-17133
  2. 2026-10-03 Alias added: GHSA-4v38-w5qx-qhmh

References

Patch 1

Advisory 23

Sources

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