Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline…
Summary
Vulnerability reported (CVE-2022-29901). Confidential information can be exposed externally.
Original description
The description as published by the source.
Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.
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 CVE-2022-29901 has been found.
Confidential information can be exposed externally.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "CVE-2022-29901" on the vendor's site.
CVE-2022-29901
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.
A vulnerability (unclassified) has been reported.
Check the vendor advisory for the affected versions.
Severity: ?. Confidential information can be exposed externally.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで影響コンポーネントを特定する。
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2Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2022-29901 linux Fixed in: 5.10.136-1
- Ubuntu UBUNTU-CVE-2022-29901 linux-aws Fixed in: 4.4.0-1120.126
References
- advisory debian.org
- advisory intel.com
- advisory security.gentoo.org
- advisory security.netapp.com
- web openwall.com
- web lists.debian.org
- web lists.debian.org
- web lists.fedoraproject.org
- web openwall.com
- web openwall.com
- web openwall.com
- web comsec.ethz.ch
- web lists.fedoraproject.org
- web secpod.com