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CVE-2026-45994
high
CVSS 7.1
Out-of-Bounds Read in linux (CVE-2026-45994)
Summary
vulnerability in linux (CVE-2026-45994). Confidential information can be exposed externally.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-45994** has been found in linux.
Confidential information can be exposed externally. CVSS score: 7.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "linux CVE-2026-45994" on the vendor's site.
CVE-2026-45994 (linux) — CWE-125 / CVSS v3 7.1
Attack vector: local / no user interaction
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
**out-of-bounds read** (CWE-125) exists in linux.
📍 Affected scope
linux — .
🔥 Severity
Severity: High (CVSS 7.1/10). Confidential information can be exposed externally
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ 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' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'linux' . | 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` を grep し、稼働しているサービス・バージョンを把握する。
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7Post-deployment verification verify
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 Step 3 と同じログクエリでアラート再発が無いか継続監視。
References
- web https://git.kernel.org/stable/c/0eb09f737428e482a32a2e31e5e223f2b35a71d3
- web https://git.kernel.org/stable/c/a672682d39dd34e2b5ba4feb436723bed65125ff
- web https://git.kernel.org/stable/c/aefc1a97da17d8309974690c8a03e439a91ebb1c
- web https://git.kernel.org/stable/c/d0fb4d1dc43f8d5179917a2daaa82680993d4cdf
- web https://git.kernel.org/stable/c/ee5737891464030a189837467df3b81a273718ad
- web https://nvd.nist.gov/vuln/detail/CVE-2026-45994
- web https://github.com/advisories/GHSA-rcq2-mghh-wcf4
- web https://git.kernel.org/stable/c/44ee19422aa82a6847594866de7e5a31e4ef98b3
- web https://git.kernel.org/stable/c/7b8a574da5d7ea99b943f7a3458a17a1d95e8838
- web https://git.kernel.org/stable/c/d50e2019c9d7c433f56d9dff65703eb904aa1fb1