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This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2025-21961 →
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Vulnerability in linux-hwe-edge

UBUNTU-CVE-2025-21961 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-2025-21961 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-2025-21961" on the vendor's site.

UBUNTU-CVE-2025-21961 (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: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
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
Original description The description as published by the source.

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: fix truesize for mb-xdp-pass case When mb-xdp is set and return is XDP_PASS, packet is converted from xdp_buff to sk_buff with xdp_update_skb_shared_info() in bnxt_xdp_build_skb(). bnxt_xdp_build_skb() passes incorrect truesize argument to xdp_update_skb_shared_info(). The truesize is calculated as BNXT_RX_PAGE_SIZE * sinfo->nr_frags but the skb_shared_info was wiped by napi_build_skb() before. So it stores sinfo->nr_frags before bnxt_xdp_build_skb() and use it instead of getting skb_shared_info from xdp_get_shared_info_from_buff(). Splat looks like: ------------[ cut here ]------------ WARNING: CPU: 2 PID: 0 at net/core/skbuff.c:6072 skb_try_coalesce+0x504/0x590 Modules linked in: xt_nat xt_tcpudp veth af_packet xt_conntrack nft_chain_nat xt_MASQUERADE nf_conntrack_netlink xfrm_user xt_addrtype nft_coms CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.14.0-rc2+ #3 RIP: 0010:skb_try_coalesce+0x504/0x590 Code: 4b fd ff ff 49 8b 34 24 40 80 e6 40 0f 84 3d fd ff ff 49 8b 74 24 48 40 f6 c6 01 0f 84 2e fd ff ff 48 8d 4e ff e9 25 fd ff ff <0f> 0b e99 RSP: 0018:ffffb62c4120caa8 EFLAGS: 00010287 RAX: 0000000000000003 RBX: ffffb62c4120cb14 RCX: 0000000000000ec0 RDX: 0000000000001000 RSI: ffffa06e5d7dc000 RDI: 0000000000000003 RBP: ffffa06e5d7ddec0 R08: ffffa06e6120a800 R09: ffffa06e7a119900 R10: 0000000000002310 R11: ffffa06e5d7dcec0 R12: ffffe4360575f740 R13: ffffe43600000000 R14: 00000000000…

Source: OSV.dev (Open Source Vulnerabilities) OSV

References

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