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This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2025-21705 →
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Vulnerability in linux-hwe-edge

UBUNTU-CVE-2025-21705 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-2025-21705 has been found in linux-hwe-edge.
Risk of unauthorized operations or information disclosure.
What to do: upgrade linux-hwe-edge to 6.8.0-1032.34~22.04.1 or later.
If unsure, ask your IT team or search "linux-hwe-edge UBUNTU-CVE-2025-21705" on the vendor's site.

UBUNTU-CVE-2025-21705 (linux-hwe-edge)
Attack vector: local / no user interaction
Patched: 6.8.0-1032.34~22.04.1 — 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 6.8.0-1032.34~22.04.1.

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 6.8.0-1032.34~22.04.1

    ステージング環境で 6.8.0-1032.34~22.04.1 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
< 6.8.0-1032.34~22.04.1
6.8.0-1032.34~22.04.1
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
< 6.8.0-1034.39~22.04.1
6.8.0-1034.39~22.04.1
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-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
< 6.8.0-1033.35~22.04.1
6.8.0-1033.35~22.04.1
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
< 6.8.0-64.67~22.04.1
6.8.0-64.67~22.04.1
Ubuntu:22.04:LTS linux-ibm-6.8
< 6.8.0-1029.29~22.04.1
6.8.0-1029.29~22.04.1
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
< 6.8.0-64.67.1~22.04.1
6.8.0-64.67.1~22.04.1
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
< 6.8.0-1031.34~22.04.1
6.8.0-1031.34~22.04.1
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
< 6.8.0-1029.30~22.04.1
6.8.0-1029.30~22.04.1
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
< 6.8.0-64.67~22.04.1
6.8.0-64.67~22.04.1
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
< 6.8.1-1025.26~22.04.1
6.8.1-1025.26~22.04.1
Ubuntu:24.04:LTS linux
< 6.8.0-64.67
6.8.0-64.67
Ubuntu:24.04:LTS linux-aws
< 6.8.0-1032.34
6.8.0-1032.34
Ubuntu:24.04:LTS linux-azure
< 6.8.0-1034.39
6.8.0-1034.39
Ubuntu:24.04:LTS linux-azure-6.11
< 6.11.0-1015.15~24.04.1
6.11.0-1015.15~24.04.1
Ubuntu:24.04:LTS linux-azure-nvidia
< 6.8.0-1022.23
6.8.0-1022.23
Ubuntu:24.04:LTS linux-gcp
< 6.8.0-1033.35
6.8.0-1033.35
Ubuntu:24.04:LTS linux-gcp-6.11
< 6.11.0-1015.15~24.04.1
6.11.0-1015.15~24.04.1
Ubuntu:24.04:LTS linux-gke
< 6.8.0-1028.32
6.8.0-1028.32
Ubuntu:24.04:LTS linux-gkeop
< 6.8.0-1015.17
6.8.0-1015.17
Ubuntu:24.04:LTS linux-hwe-6.11
< 6.11.0-26.26~24.04.1
6.11.0-26.26~24.04.1
Ubuntu:24.04:LTS linux-ibm
< 6.8.0-1029.29
6.8.0-1029.29
Ubuntu:24.04:LTS linux-lowlatency
< 6.8.0-64.67.1
6.8.0-64.67.1
Ubuntu:24.04:LTS linux-lowlatency-hwe-6.11
< 6.11.0-1014.15~24.04.1
6.11.0-1014.15~24.04.1
Ubuntu:24.04:LTS linux-nvidia
< 6.8.0-1031.34
6.8.0-1031.34
Ubuntu:24.04:LTS linux-nvidia-6.11
< 6.11.0-1010.10
6.11.0-1010.10
Ubuntu:24.04:LTS linux-nvidia-lowlatency
< 6.8.0-1031.34.1
6.8.0-1031.34.1
Ubuntu:24.04:LTS linux-nvidia-tegra
< 6.8.0-1008.8
6.8.0-1008.8
Ubuntu:24.04:LTS linux-oem-6.11
< 6.11.0-1022.22
6.11.0-1022.22
Ubuntu:24.04:LTS linux-oem-6.8
< 6.8.0-1031.31
6.8.0-1031.31
Ubuntu:24.04:LTS linux-oracle
< 6.8.0-1029.30
6.8.0-1029.30
Ubuntu:24.04:LTS linux-raspi
< 6.8.0-1031.35
6.8.0-1031.35
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
< 6.8.0-1017.18
6.8.0-1017.18
Ubuntu:Pro:Realtime:24.04:LTS linux-raspi-realtime
< 6.8.0-2026.27
6.8.0-2026.27
Ubuntu:Pro:Realtime:24.04:LTS linux-realtime
< 6.8.1-1025.26
6.8.1-1025.26
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-fips
< 6.8.0-78.78+fips1
6.8.0-78.78+fips1
Original description The description as published by the source.

In the Linux kernel, the following vulnerability has been resolved: mptcp: handle fastopen disconnect correctly Syzbot was able to trigger a data stream corruption: WARNING: CPU: 0 PID: 9846 at net/mptcp/protocol.c:1024 __mptcp_clean_una+0xddb/0xff0 net/mptcp/protocol.c:1024 Modules linked in: CPU: 0 UID: 0 PID: 9846 Comm: syz-executor351 Not tainted 6.13.0-rc2-syzkaller-00059-g00a5acdbf398 #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:__mptcp_clean_una+0xddb/0xff0 net/mptcp/protocol.c:1024 Code: fa ff ff 48 8b 4c 24 18 80 e1 07 fe c1 38 c1 0f 8c 8e fa ff ff 48 8b 7c 24 18 e8 e0 db 54 f6 e9 7f fa ff ff e8 e6 80 ee f5 90 <0f> 0b 90 4c 8b 6c 24 40 4d 89 f4 e9 04 f5 ff ff 44 89 f1 80 e1 07 RSP: 0018:ffffc9000c0cf400 EFLAGS: 00010293 RAX: ffffffff8bb0dd5a RBX: ffff888033f5d230 RCX: ffff888059ce8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000c0cf518 R08: ffffffff8bb0d1dd R09: 1ffff110170c8928 R10: dffffc0000000000 R11: ffffed10170c8929 R12: 0000000000000000 R13: ffff888033f5d220 R14: dffffc0000000000 R15: ffff8880592b8000 FS: 00007f6e866496c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6e86f491a0 CR3: 00000000310e6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace:…

Source: OSV.dev (Open Source Vulnerabilities) OSV

References

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