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This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2024-50250 →
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Vulnerability in linux-hwe-edge

UBUNTU-CVE-2024-50250 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-2024-50250 has been found in linux-hwe-edge.
Confidential information can be exposed externally.
What to do: upgrade linux-hwe-edge to 6.8.0-1027.29~22.04.1 or later.
If unsure, ask your IT team or search "linux-hwe-edge UBUNTU-CVE-2024-50250" on the vendor's site.

UBUNTU-CVE-2024-50250 (linux-hwe-edge)
Attack vector: local / no user interaction
Patched: 6.8.0-1027.29~22.04.1 — 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: ?. Confidential information can be exposed externally.

How to fix

Update to 6.8.0-1027.29~22.04.1.

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 6.8.0-1027.29~22.04.1

    ステージング環境で 6.8.0-1027.29~22.04.1 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-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-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
< 6.8.0-1027.29~22.04.1
6.8.0-1027.29~22.04.1
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
< 6.8.0-1027.32~22.04.1
6.8.0-1027.32~22.04.1
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
< 6.8.0-1028.30~22.04.1
6.8.0-1028.30~22.04.1
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
< 6.8.0-58.60~22.04.1
6.8.0-58.60~22.04.1
Ubuntu:22.04:LTS linux-ibm-6.8
< 6.8.0-1024.24~22.04.1
6.8.0-1024.24~22.04.1
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
< 6.8.0-58.60.1~22.04.1
6.8.0-58.60.1~22.04.1
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
< 6.8.0-1026.29~22.04.1
6.8.0-1026.29~22.04.1
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
< 6.8.0-1024.25~22.04.1
6.8.0-1024.25~22.04.1
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
< 6.8.0-58.60.1~22.04.1
6.8.0-58.60.1~22.04.1
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
< 6.8.1-1020.21~22.04.1
6.8.1-1020.21~22.04.1
Ubuntu:24.04:LTS linux
< 6.8.0-58.60
6.8.0-58.60
Ubuntu:24.04:LTS linux-aws
< 6.8.0-1027.29
6.8.0-1027.29
Ubuntu:24.04:LTS linux-azure
< 6.8.0-1027.32
6.8.0-1027.32
Ubuntu:24.04:LTS linux-azure-6.11
< 6.11.0-1012.12~24.04.1
6.11.0-1012.12~24.04.1
Ubuntu:24.04:LTS linux-azure-nvidia
< 6.8.0-1014.15
6.8.0-1014.15
Ubuntu:24.04:LTS linux-gcp
< 6.8.0-1028.30
6.8.0-1028.30
Ubuntu:24.04:LTS linux-gcp-6.11
< 6.11.0-1011.11~24.04.1
6.11.0-1011.11~24.04.1
Ubuntu:24.04:LTS linux-gke
< 6.8.0-1023.27
6.8.0-1023.27
Ubuntu:24.04:LTS linux-gkeop
< 6.8.0-1010.12
6.8.0-1010.12
Ubuntu:24.04:LTS linux-ibm
< 6.8.0-1024.24
6.8.0-1024.24
Ubuntu:24.04:LTS linux-lowlatency
< 6.8.0-58.60.1
6.8.0-58.60.1
Ubuntu:24.04:LTS linux-nvidia
< 6.8.0-1026.29
6.8.0-1026.29
Ubuntu:24.04:LTS linux-nvidia-6.11
< 6.11.0-1007.7
6.11.0-1007.7
Ubuntu:24.04:LTS linux-nvidia-lowlatency
< 6.8.0-1026.29.1
6.8.0-1026.29.1
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
< 6.11.0-1015.15
6.11.0-1015.15
Ubuntu:24.04:LTS linux-oem-6.8
< 6.8.0-1026.26
6.8.0-1026.26
Ubuntu:24.04:LTS linux-oracle
< 6.8.0-1024.25
6.8.0-1024.25
Ubuntu:24.04:LTS linux-raspi
< 6.8.0-1028.32
6.8.0-1028.32
Ubuntu:24.04:LTS linux-raspi-realtime
All versions
—
Ubuntu:24.04:LTS linux-realtime
All versions
—
Ubuntu:24.04:LTS linux-riscv
< 6.8.0-58.60.1
6.8.0-58.60.1
Ubuntu:24.04:LTS linux-xilinx
< 6.8.0-1017.18
6.8.0-1017.18
Ubuntu:Pro:FIPS-updates:24.04:LTS linux-fips
< 6.8.0-78.78+fips1
6.8.0-78.78+fips1
Ubuntu:Pro:Realtime:24.04:LTS linux-raspi-realtime
< 6.8.0-2023.24
6.8.0-2023.24
Ubuntu:Pro:Realtime:24.04:LTS linux-realtime
< 6.8.1-1020.21
6.8.1-1020.21
Original description The description as published by the source.

In the Linux kernel, the following vulnerability has been resolved: fsdax: dax_unshare_iter needs to copy entire blocks The code that copies data from srcmap to iomap in dax_unshare_iter is very very broken, which bfoster's recent fsx changes have exposed. If the pos and len passed to dax_file_unshare are not aligned to an fsblock boundary, the iter pos and length in the _iter function will reflect this unalignment. dax_iomap_direct_access always returns a pointer to the start of the kmapped fsdax page, even if its pos argument is in the middle of that page. This is catastrophic for data integrity when iter->pos is not aligned to a page, because daddr/saddr do not point to the same byte in the file as iter->pos. Hence we corrupt user data by copying it to the wrong place. If iter->pos + iomap_length() in the _iter function not aligned to a page, then we fail to copy a full block, and only partially populate the destination block. This is catastrophic for data confidentiality because we expose stale pmem contents. Fix both of these issues by aligning copy_pos/copy_len to a page boundary (remember, this is fsdax so 1 fsblock == 1 base page) so that we always copy full blocks. We're not done yet -- there's no call to invalidate_inode_pages2_range, so programs that have the file range mmap'd will continue accessing the old memory mapping after the file metadata updates have completed. Be careful with the return value -- if the unshare succeeds, we still need to return the numb…

Source: OSV.dev (Open Source Vulnerabilities) OSV

References

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