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This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2023-3389 →
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UBUNTU-CVE-2023-3389

Vulnerability in linux-hwe-edge (UBUNTU-CVE-2023-3389)

Summary

Vulnerability in linux-hwe-edge (UBUNTU-CVE-2023-3389). Successful exploitation can lead to full system takeover. Mitigation: upgrade to 5.15.0-1040.45~20.04.1 or later.

Original description

The description as published by the source.

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).

Source: OSV.dev (Open Source Vulnerabilities) OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as UBUNTU-CVE-2023-3389 has been found in linux-hwe-edge.
Successful exploitation can lead to full system takeover.
What to do: upgrade linux-hwe-edge to 5.15.0-1040.45~20.04.1 or later.
If unsure, ask your IT team or search "linux-hwe-edge UBUNTU-CVE-2023-3389" on the vendor's site.

UBUNTU-CVE-2023-3389 (linux-hwe-edge)
Attack vector: local / no user interaction
Patched: 5.15.0-1040.45~20.04.1 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (unclassified) exists in linux-hwe-edge.

📍 Affected scope

Check the vendor advisory for the affected versions of linux-hwe-edge.

🔥 Severity

Severity: ?. Successful exploitation can lead to full system takeover.

🔧 How to fix

Update to 5.15.0-1040.45~20.04.1.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'linux-hwe-edge' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    grep -r 'linux-hwe-edge' . | grep -v node_modules

    リポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で linux-hwe-edge を grep し、稼働しているサービス・バージョンを把握する。

  2. 2
    Apply patch patch 
    Upgrade linux-hwe-edge to 5.15.0-1040.45~20.04.1

    ステージング環境で 5.15.0-1040.45~20.04.1 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。

  3. 3
    Post-deployment verification verify 
    Confirm patched version is live in production

    パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

Ubuntu:16.04:LTS linux-hwe-edge
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-aws-5.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-aws-5.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-azure
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-azure-5.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-azure-edge
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-gcp
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-gcp-5.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-gke-4.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-gke-5.4
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-gkeop-5.4
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-hwe
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-oem
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-oracle-5.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS linux-oracle-5.3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-aws-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1040.45~20.04.1"}]}]
Ubuntu:20.04:LTS linux-azure-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1042.49~20.04.1"}]}]
Ubuntu:20.04:LTS linux-gcp-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1038.46~20.04.1"}]}]
Ubuntu:20.04:LTS linux-gke-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1038.43~20.04.1"}]}]
Ubuntu:20.04:LTS linux-gkeop-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1024.29~20.04.1"}]}]
Ubuntu:20.04:LTS linux-hwe-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-78.85~20.04.1"}]}]
Ubuntu:20.04:LTS linux-intel-iotg-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1036.41~20.04.1"}]}]
Ubuntu:20.04:LTS linux-lowlatency-hwe-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-78.85~20.04.1"}]}]
Ubuntu:20.04:LTS linux-nvidia-tegra-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1016.16~20.04.1"}]}]
Ubuntu:20.04:LTS linux-oracle-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1039.45~20.04.1"}]}]
Ubuntu:20.04:LTS linux-riscv-5.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1037.41~20.04.2"}]}]
Ubuntu:20.04:LTS linux-aws-5.11
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-aws-5.13
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-aws-5.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-azure-5.11
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-azure-5.13
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-azure-5.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-gcp-5.11
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-gcp-5.13
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-gcp-5.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-gke
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-hwe-5.11
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-hwe-5.13
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-hwe-5.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-intel-5.13
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-oem-5.10
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-oem-5.13
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-oem-5.14
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-oem-5.6
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-oracle-5.11
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-oracle-5.13
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-oracle-5.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-raspi2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-riscv
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-riscv-5.11
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS linux-riscv-5.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-78.85"}]}]
Ubuntu:22.04:LTS linux-allwinner-5.19
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-aws
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1040.45"}]}]
Ubuntu:22.04:LTS linux-aws-5.19
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0-1029.30~22.04.1"}]}]
Ubuntu:22.04:LTS linux-aws-6.2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-azure
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1042.49"}]}]
Ubuntu:22.04:LTS linux-azure-5.19
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-azure-6.2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-azure-fde
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1042.49.1"}]}]
Ubuntu:22.04:LTS linux-azure-fde-5.19
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-azure-fde-6.2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-gcp
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1038.46"}]}]
Ubuntu:22.04:LTS linux-gcp-5.19
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0-1030.32~22.04.1"}]}]
Ubuntu:22.04:LTS linux-gcp-6.2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-gke
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1038.43"}]}]
Ubuntu:22.04:LTS linux-gkeop
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1024.29"}]}]
Ubuntu:22.04:LTS linux-hwe-5.19
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0-50.50"}]}]
Ubuntu:22.04:LTS linux-hwe-6.2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.0-26.26~22.04.1"}]}]
Ubuntu:22.04:LTS linux-ibm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1034.37"}]}]
Ubuntu:22.04:LTS linux-intel-iotg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1036.41"}]}]
Ubuntu:22.04:LTS linux-kvm
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1038.43"}]}]
Ubuntu:22.04:LTS linux-lowlatency
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-78.85"}]}]
Ubuntu:22.04:LTS linux-lowlatency-hwe-5.19
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0-1030.30"}]}]
Ubuntu:22.04:LTS linux-lowlatency-hwe-6.2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-nvidia
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1029.29"}]}]
Ubuntu:22.04:LTS linux-nvidia-6.2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-nvidia-tegra
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1016.16"}]}]
Ubuntu:22.04:LTS linux-nvidia-tegra-igx
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1002.2"}]}]
Ubuntu:22.04:LTS linux-oem-5.17
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-oem-6.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.0-1020.20"}]}]
Ubuntu:22.04:LTS linux-oem-6.1
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.0-1017.17"}]}]
Ubuntu:22.04:LTS linux-oracle
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1039.45"}]}]
Ubuntu:22.04:LTS linux-raspi
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1034.37"}]}]
Ubuntu:22.04:LTS linux-realtime
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-riscv
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-riscv-5.19
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-starfive-5.19
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS linux-xilinx-zynqmp
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1025.29"}]}]
Ubuntu:Nvidia-BlueField:22.04:LTS linux-bluefield
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1021.23"}]}]
Ubuntu:Pro:FIPS-preview:22.04:LTS linux-fips
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:Realtime:22.04:LTS linux-intel-iot-realtime
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1035.37"}]}]
Ubuntu:Pro:Realtime:22.04:LTS linux-realtime
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1042.47"}]}]
Ubuntu:24.04:LTS linux-raspi-realtime
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04 linux-nvidia
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Nvidia-BlueField:24.04:LTS linux-bluefield
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

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