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This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2025-21913 →
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Vulnerability in linux-hwe-edge

UBUNTU-CVE-2025-21913 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-2025-21913 has been found in linux-hwe-edge.
Risk of unauthorized operations or information disclosure.
What to do: upgrade linux-hwe-edge to 6.8.0-1039.41~22.04.1 or later.
If unsure, ask your IT team or search "linux-hwe-edge UBUNTU-CVE-2025-21913" on the vendor's site.

UBUNTU-CVE-2025-21913 (linux-hwe-edge)
Attack vector: local / no user interaction
Patched: 6.8.0-1039.41~22.04.1 — 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 6.8.0-1039.41~22.04.1.

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 6.8.0-1039.41~22.04.1

    ステージング環境で 6.8.0-1039.41~22.04.1 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
< 6.8.0-1039.41~22.04.1
6.8.0-1039.41~22.04.1
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
< 6.8.0-1036.42~22.04.1
6.8.0-1036.42~22.04.1
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
< 6.8.0-1040.42~22.04.1
6.8.0-1040.42~22.04.1
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
< 6.8.0-85.85~22.04.1
6.8.0-85.85~22.04.1
Ubuntu:22.04:LTS linux-ibm-6.8
< 6.8.0-1037.37~22.04.1
6.8.0-1037.37~22.04.1
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
< 6.8.0-84.84.1~22.04.1
6.8.0-84.84.1~22.04.1
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
< 6.8.0-1039.42~22.04.1
6.8.0-1039.42~22.04.1
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
< 6.8.0-1037.38~22.04.1
6.8.0-1037.38~22.04.1
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
< 6.8.0-84.84~22.04.1
6.8.0-84.84~22.04.1
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
< 6.8.1-1034.35~22.04.1
6.8.1-1034.35~22.04.1
Ubuntu:24.04:LTS linux
< 6.8.0-84.84
6.8.0-84.84
Ubuntu:24.04:LTS linux-aws
< 6.8.0-1039.41
6.8.0-1039.41
Ubuntu:24.04:LTS linux-azure
< 6.8.0-1038.44
6.8.0-1038.44
Ubuntu:24.04:LTS linux-azure-6.11
< 6.11.0-1018.18~24.04.1
6.11.0-1018.18~24.04.1
Ubuntu:24.04:LTS linux-azure-nvidia
< 6.8.0-1025.27
6.8.0-1025.27
Ubuntu:24.04:LTS linux-gcp
< 6.8.0-1040.42
6.8.0-1040.42
Ubuntu:24.04:LTS linux-gcp-6.11
< 6.11.0-1016.16~24.04.1
6.11.0-1016.16~24.04.1
Ubuntu:24.04:LTS linux-gke
< 6.8.0-1036.40
6.8.0-1036.40
Ubuntu:24.04:LTS linux-gkeop
< 6.8.0-1023.25
6.8.0-1023.25
Ubuntu:24.04:LTS linux-hwe-6.11
< 6.11.0-28.28~24.04.1
6.11.0-28.28~24.04.1
Ubuntu:24.04:LTS linux-ibm
< 6.8.0-1037.37
6.8.0-1037.37
Ubuntu:24.04:LTS linux-intel
All versions
—
Ubuntu:24.04:LTS linux-lowlatency
< 6.8.0-84.84.1
6.8.0-84.84.1
Ubuntu:24.04:LTS linux-lowlatency-hwe-6.11
< 6.11.0-1015.16~24.04.2
6.11.0-1015.16~24.04.2
Ubuntu:24.04:LTS linux-nvidia
< 6.8.0-1039.42
6.8.0-1039.42
Ubuntu:24.04:LTS linux-nvidia-6.11
< 6.11.0-1012.12
6.11.0-1012.12
Ubuntu:24.04:LTS linux-nvidia-lowlatency
< 6.8.0-1039.42.1
6.8.0-1039.42.1
Ubuntu:24.04:LTS linux-nvidia-tegra
< 6.8.0-1010.10
6.8.0-1010.10
Ubuntu:24.04:LTS linux-oem-6.11
< 6.11.0-1024.24
6.11.0-1024.24
Ubuntu:24.04:LTS linux-oem-6.8
All versions
—
Ubuntu:24.04:LTS linux-oracle
< 6.8.0-1037.38
6.8.0-1037.38
Ubuntu:24.04:LTS linux-raspi
< 6.8.0-1039.43
6.8.0-1039.43
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
< 6.8.0-1018.19
6.8.0-1018.19
Ubuntu:Pro:Realtime:24.04:LTS linux-raspi-realtime
< 6.8.0-2030.31
6.8.0-2030.31
Ubuntu:Pro:Realtime:24.04:LTS linux-realtime
< 6.8.1-1034.35
6.8.1-1034.35
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-aws-fips
< 6.8.0-1039.41+fips1
6.8.0-1039.41+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-azure-fips
< 6.8.0-1040.46+fips1
6.8.0-1040.46+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-fips
< 6.8.0-84.84+fips1
6.8.0-84.84+fips1
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-gcp-fips
< 6.8.0-1040.42+fips1
6.8.0-1040.42+fips1
Original description The description as published by the source.

In the Linux kernel, the following vulnerability has been resolved: x86/amd_nb: Use rdmsr_safe() in amd_get_mmconfig_range() Xen doesn't offer MSR_FAM10H_MMIO_CONF_BASE to all guests. This results in the following warning: unchecked MSR access error: RDMSR from 0xc0010058 at rIP: 0xffffffff8101d19f (xen_do_read_msr+0x7f/0xa0) Call Trace: xen_read_msr+0x1e/0x30 amd_get_mmconfig_range+0x2b/0x80 quirk_amd_mmconfig_area+0x28/0x100 pnp_fixup_device+0x39/0x50 __pnp_add_device+0xf/0x150 pnp_add_device+0x3d/0x100 pnpacpi_add_device_handler+0x1f9/0x280 acpi_ns_get_device_callback+0x104/0x1c0 acpi_ns_walk_namespace+0x1d0/0x260 acpi_get_devices+0x8a/0xb0 pnpacpi_init+0x50/0x80 do_one_initcall+0x46/0x2e0 kernel_init_freeable+0x1da/0x2f0 kernel_init+0x16/0x1b0 ret_from_fork+0x30/0x50 ret_from_fork_asm+0x1b/0x30 based on quirks for a "PNP0c01" device. Treating MMCFG as disabled is the right course of action, so no change is needed there. This was most likely exposed by fixing the Xen MSR accessors to not be silently-safe.

Source: OSV.dev (Open Source Vulnerabilities) OSV

References

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