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This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2025-21709 →
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Vulnerability in linux-hwe-edge

UBUNTU-CVE-2025-21709 First seen on SecPulse

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-2025-21709 has been found in linux-hwe-edge.
Risk of unauthorized operations or information disclosure.
What to do: upgrade linux-hwe-edge to 6.8.0-1061.64~22.04.1 or later.
If unsure, ask your IT team or search "linux-hwe-edge UBUNTU-CVE-2025-21709" on the vendor's site.

UBUNTU-CVE-2025-21709 (linux-hwe-edge)
Attack vector: local / no user interaction
Patched: 6.8.0-1061.64~22.04.1 — 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: ?. Risk of unauthorized operations or information disclosure.

How to fix

Update to 6.8.0-1061.64~22.04.1.

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 exposureidentify
    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 patchpatch
    Upgrade linux-hwe-edge to 6.8.0-1061.64~22.04.1

    ステージング環境で 6.8.0-1061.64~22.04.1 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 verificationverify
    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

EcosystemPackageAffectedFixed
Ubuntu:16.04:LTS linux-hwe-edge
All versions
—
Ubuntu:18.04:LTS linux-aws-5.0
All versions
—
Ubuntu:18.04:LTS linux-aws-5.3
All versions
—
Ubuntu:18.04:LTS linux-azure
All versions
—
Ubuntu:18.04:LTS linux-azure-5.3
All versions
—
Ubuntu:18.04:LTS linux-azure-edge
All versions
—
Ubuntu:18.04:LTS linux-gcp
All versions
—
Ubuntu:18.04:LTS linux-gcp-5.3
All versions
—
Ubuntu:18.04:LTS linux-gke-4.15
All versions
—
Ubuntu:18.04:LTS linux-gke-5.4
All versions
—
Ubuntu:18.04:LTS linux-gkeop-5.4
All versions
—
Ubuntu:18.04:LTS linux-hwe
All versions
—
Ubuntu:18.04:LTS linux-hwe-edge
All versions
—
Ubuntu:18.04:LTS linux-oem
All versions
—
Ubuntu:18.04:LTS linux-oracle-5.0
All versions
—
Ubuntu:18.04:LTS linux-oracle-5.3
All versions
—
Ubuntu:20.04:LTS linux-aws-5.11
All versions
—
Ubuntu:20.04:LTS linux-aws-5.13
All versions
—
Ubuntu:20.04:LTS linux-aws-5.8
All versions
—
Ubuntu:20.04:LTS linux-azure-5.11
All versions
—
Ubuntu:20.04:LTS linux-azure-5.13
All versions
—
Ubuntu:20.04:LTS linux-azure-5.8
All versions
—
Ubuntu:20.04:LTS linux-azure-fde
All versions
—
Ubuntu:20.04:LTS linux-gcp-5.11
All versions
—
Ubuntu:20.04:LTS linux-gcp-5.13
All versions
—
Ubuntu:20.04:LTS linux-gcp-5.8
All versions
—
Ubuntu:20.04:LTS linux-gke
All versions
—
Ubuntu:20.04:LTS linux-gke-5.15
All versions
—
Ubuntu:20.04:LTS linux-gkeop
All versions
—
Ubuntu:20.04:LTS linux-gkeop-5.15
All versions
—
Ubuntu:20.04:LTS linux-hwe-5.11
All versions
—
Ubuntu:20.04:LTS linux-hwe-5.13
All versions
—
Ubuntu:20.04:LTS linux-hwe-5.8
All versions
—
Ubuntu:20.04:LTS linux-intel-5.13
All versions
—
Ubuntu:20.04:LTS linux-oem-5.10
All versions
—
Ubuntu:20.04:LTS linux-oem-5.13
All versions
—
Ubuntu:20.04:LTS linux-oem-5.14
All versions
—
Ubuntu:20.04:LTS linux-oem-5.6
All versions
—
Ubuntu:20.04:LTS linux-oracle-5.11
All versions
—
Ubuntu:20.04:LTS linux-oracle-5.13
All versions
—
Ubuntu:20.04:LTS linux-oracle-5.8
All versions
—
Ubuntu:20.04:LTS linux-raspi2
All versions
—
Ubuntu:20.04:LTS linux-riscv
All versions
—
Ubuntu:20.04:LTS linux-riscv-5.11
All versions
—
Ubuntu:20.04:LTS linux-riscv-5.8
All versions
—
Ubuntu:22.04:LTS linux-allwinner-5.19
All versions
—
Ubuntu:22.04:LTS linux-aws-5.19
All versions
—
Ubuntu:22.04:LTS linux-aws-6.2
All versions
—
Ubuntu:22.04:LTS linux-aws-6.5
All versions
—
Ubuntu:22.04:LTS linux-aws-6.8
< 6.8.0-1061.64~22.04.1
6.8.0-1061.64~22.04.1
Ubuntu:22.04:LTS linux-azure-5.19
All versions
—
Ubuntu:22.04:LTS linux-azure-6.2
All versions
—
Ubuntu:22.04:LTS linux-azure-6.5
All versions
—
Ubuntu:22.04:LTS linux-azure-6.8
< 6.8.0-1063.71~22.04.1
6.8.0-1063.71~22.04.1
Ubuntu:22.04:LTS linux-azure-fde-5.19
All versions
—
Ubuntu:22.04:LTS linux-azure-fde-6.2
All versions
—
Ubuntu:22.04:LTS linux-azure-fde-6.8
< 6.8.0-1062.69~22.04.1
6.8.0-1062.69~22.04.1
Ubuntu:22.04:LTS linux-gcp-5.19
All versions
—
Ubuntu:22.04:LTS linux-gcp-6.2
All versions
—
Ubuntu:22.04:LTS linux-gcp-6.5
All versions
—
Ubuntu:22.04:LTS linux-gcp-6.8
< 6.8.0-1064.72~22.04.1
6.8.0-1064.72~22.04.1
Ubuntu:22.04:LTS linux-hwe-5.19
All versions
—
Ubuntu:22.04:LTS linux-hwe-6.2
All versions
—
Ubuntu:22.04:LTS linux-hwe-6.5
All versions
—
Ubuntu:22.04:LTS linux-hwe-6.8
< 6.8.0-136.136~22.04.1
6.8.0-136.136~22.04.1
Ubuntu:22.04:LTS linux-ibm-6.8
< 6.8.0-1061.62~22.04.1
6.8.0-1061.62~22.04.1
Ubuntu:22.04:LTS linux-intel-iot-realtime
All versions
—
Ubuntu:22.04:LTS linux-lowlatency-hwe-5.19
All versions
—
Ubuntu:22.04:LTS linux-lowlatency-hwe-6.2
All versions
—
Ubuntu:22.04:LTS linux-lowlatency-hwe-6.5
All versions
—
Ubuntu:22.04:LTS linux-lowlatency-hwe-6.8
< 6.8.0-136.136.2~22.04.1
6.8.0-136.136.2~22.04.1
Ubuntu:22.04:LTS linux-nvidia-6.2
All versions
—
Ubuntu:22.04:LTS linux-nvidia-6.5
All versions
—
Ubuntu:22.04:LTS linux-nvidia-6.8
< 6.8.0-1059.62~22.04.1
6.8.0-1059.62~22.04.1
Ubuntu:22.04:LTS linux-oem-5.17
All versions
—
Ubuntu:22.04:LTS linux-oem-6.0
All versions
—
Ubuntu:22.04:LTS linux-oem-6.1
All versions
—
Ubuntu:22.04:LTS linux-oem-6.5
All versions
—
Ubuntu:22.04:LTS linux-oracle-6.5
All versions
—
Ubuntu:22.04:LTS linux-oracle-6.8
< 6.8.0-1058.61~22.04.1
6.8.0-1058.61~22.04.1
Ubuntu:22.04:LTS linux-realtime
All versions
—
Ubuntu:22.04:LTS linux-riscv
All versions
—
Ubuntu:22.04:LTS linux-riscv-5.19
All versions
—
Ubuntu:22.04:LTS linux-riscv-6.5
All versions
—
Ubuntu:22.04:LTS linux-riscv-6.8
< 6.8.0-136.136~22.04.3
6.8.0-136.136~22.04.3
Ubuntu:22.04:LTS linux-starfive-5.19
All versions
—
Ubuntu:22.04:LTS linux-starfive-6.2
All versions
—
Ubuntu:22.04:LTS linux-starfive-6.5
All versions
—
Ubuntu:Pro:Realtime:22.04:LTS linux-realtime-6.8
< 6.8.1-1056.57~22.04.2
6.8.1-1056.57~22.04.2
Ubuntu:24.04:LTS linux
< 6.8.0-136.136
6.8.0-136.136
Ubuntu:24.04:LTS linux-aws
< 6.8.0-1061.64
6.8.0-1061.64
Ubuntu:24.04:LTS linux-azure
< 6.8.0-1063.71
6.8.0-1063.71
Ubuntu:24.04:LTS linux-azure-6.11
All versions
—
Ubuntu:24.04:LTS linux-azure-fde
< 6.8.0-1062.69
6.8.0-1062.69
Ubuntu:24.04:LTS linux-azure-nvidia
All versions
—
Ubuntu:24.04:LTS linux-gcp
< 6.8.0-1064.72
6.8.0-1064.72
Ubuntu:24.04:LTS linux-gcp-6.11
All versions
—
Ubuntu:24.04:LTS linux-gke
< 6.8.0-1059.67
6.8.0-1059.67
Ubuntu:24.04:LTS linux-gkeop
< 6.8.0-1046.50
6.8.0-1046.50
Ubuntu:24.04:LTS linux-hwe-6.11
All versions
—
Ubuntu:24.04:LTS linux-ibm
< 6.8.0-1061.62
6.8.0-1061.62
Ubuntu:24.04:LTS linux-intel
All versions
—
Ubuntu:24.04:LTS linux-lowlatency
< 6.8.0-136.136.2
6.8.0-136.136.2
Ubuntu:24.04:LTS linux-lowlatency-hwe-6.11
All versions
—
Ubuntu:24.04:LTS linux-nvidia
< 6.8.0-1059.62
6.8.0-1059.62
Ubuntu:24.04:LTS linux-nvidia-6.11
All versions
—
Ubuntu:24.04:LTS linux-nvidia-lowlatency
< 6.8.0-1059.62.1
6.8.0-1059.62.1
Ubuntu:24.04:LTS linux-nvidia-tegra
< 6.8.0-1030.31
6.8.0-1030.31
Ubuntu:24.04:LTS linux-oem-6.11
All versions
—
Ubuntu:24.04:LTS linux-oem-6.8
All versions
—
Ubuntu:24.04:LTS linux-oracle
< 6.8.0-1058.61
6.8.0-1058.61
Ubuntu:24.04:LTS linux-raspi
< 6.8.0-1061.65
6.8.0-1061.65
Ubuntu:24.04:LTS linux-raspi-realtime
All versions
—
Ubuntu:24.04:LTS linux-realtime
All versions
—
Ubuntu:24.04:LTS linux-riscv
All versions
—
Ubuntu:24.04:LTS linux-xilinx
< 6.8.0-1033.34
6.8.0-1033.34
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-aws-fips
< 6.8.0-1061.64+fips1
6.8.0-1061.64+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-azure-fips
< 6.8.0-1063.71+fips2
6.8.0-1063.71+fips2
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-fips
< 6.8.0-136.136+fips2
6.8.0-136.136+fips2
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-gcp-fips
< 6.8.0-1064.72+fips1
6.8.0-1064.72+fips1
Ubuntu:Pro:Realtime:24.04:LTS linux-raspi-realtime
< 6.8.0-2050.52
6.8.0-2050.52
Ubuntu:Pro:Realtime:24.04:LTS linux-realtime
< 6.8.1-1056.57
6.8.1-1056.57
Ubuntu:26.04 linux-nvidia
All versions
—
Ubuntu:Nvidia-BlueField:24.04:LTS linux-bluefield
< 6.8.0-1028.33
6.8.0-1028.33
Original description The description as published by the source.

In the Linux kernel, the following vulnerability has been resolved: kernel: be more careful about dup_mmap() failures and uprobe registering If a memory allocation fails during dup_mmap(), the maple tree can be left in an unsafe state for other iterators besides the exit path. All the locks are dropped before the exit_mmap() call (in mm/mmap.c), but the incomplete mm_struct can be reached through (at least) the rmap finding the vmas which have a pointer back to the mm_struct. Up to this point, there have been no issues with being able to find an mm_struct that was only partially initialised. Syzbot was able to make the incomplete mm_struct fail with recent forking changes, so it has been proven unsafe to use the mm_struct that hasn't been initialised, as referenced in the link below. Although 8ac662f5da19f ("fork: avoid inappropriate uprobe access to invalid mm") fixed the uprobe access, it does not completely remove the race. This patch sets the MMF_OOM_SKIP to avoid the iteration of the vmas on the oom side (even though this is extremely unlikely to be selected as an oom victim in the race window), and sets MMF_UNSTABLE to avoid other potential users from using a partially initialised mm_struct. When registering vmas for uprobe, skip the vmas in an mm that is marked unstable. Modifying a vma in an unstable mm may cause issues if the mm isn't fully initialised.

Source: OSV.dev (Open Source Vulnerabilities) OSV

References

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