CVE-2022-0995（linux linux kernel）の深刻度・悪用状況・対象バージョン
7.8 重要（CVSS 3.x） 悪用確認済み（CISA KEV） EPSS 取得中…
概要
An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system.
実際の攻撃で悪用されています。 CISA KEV への追加日: 2026-08-26。対象製品を使っている場合は最優先で対策してください。
CISA の要求対応: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA の要求対応: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
影響を受ける製品
| ベンダー | 製品 | 対象バージョン |
|---|---|---|
| linux | linux_kernel | ≥ 5.8 かつ < 5.10.106 |
| linux | linux_kernel | ≥ 5.11 かつ < 5.15.29 |
| linux | linux_kernel | ≥ 5.16 かつ < 5.16.5 |
| linux | linux_kernel | 5.17 |
| linux | linux_kernel | 5.17 |
| linux | linux_kernel | 5.17 |
| linux | linux_kernel | 5.17 |
| linux | linux_kernel | 5.17 |
| linux | linux_kernel | 5.17 |
| linux | linux_kernel | 5.17 |
| fedoraproject | fedora | 35 |
| netapp | h300e_firmware | すべて／記載なし |
| netapp | h300s_firmware | すべて／記載なし |
| netapp | h410c_firmware | すべて／記載なし |
| netapp | h410s_firmware | すべて／記載なし |
基本情報
- 公開日
- 2022-03-25
- 最終更新
- 2026-08-27
- NVD の状態
- Analyzed
- 弱点の種類
- CWE-787
対策の進め方
- 上の表で、使っている製品とバージョンが対象か確認します。
- ベンダーの公式アドバイザリ（下の参考情報の「Vendor Advisory」「Patch」）で修正版・回避策を確認します。
- 悪用が確認されているため、パッチ適用までの間もアクセス制限・侵害の痕跡確認を検討します。
- 日本語の情報は JVN iPedia で CVE-2022-0995 を検索 できます。
参考情報
- http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html ExploitThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=2063786 Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb PatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20220429-0001/ Third Party Advisory
- http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html ExploitThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=2063786 Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb PatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20220429-0001/ Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0995 US Government Resource
- NVD: CVE-2022-0995
- CVE.org: CVE-2022-0995
データ出典: NIST NVD、CISA KEV、FIRST EPSS。翻訳は参考情報で、正確性は原文を優先してください。