Linux kernel TCP flaw CVE-2026-98432 allows remote root on MPTCP servers
Anthropic says an unreleased Claude model built a root exploit in about 53 minutes; no in-the-wild attacks are confirmed.
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Product
Red Hat Enterprise Linux
- Mentions · 7d2
- Mentions · 30d4
- All mentions7
- First seenSep 8, 2026
- Last mentioned4d ago
Timeline
7 articles · newest firstLinux TCP use-after-free scored 9.8; Ubuntu and RHEL unfixed
Anthropic says Claude built a remote root exploit via MPTCP, a link absent from the CVE and fix.
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Red Hat lists RHEL and Kafka products in advisory AV26-1084
The October 26 notice names affected lines but gives no CVE identifiers, impact, or fixed RHEL versions.
36
Canadian Cyber Centre flags vulnerabilities across many Red Hat products
Advisory AV26-1061 lists every named product as affected in all versions and states no CVEs.
42
Critical Red Hat Satellite Flaw Could Enable Root Password Theft and Code Execution Attacks
Red Hat fixed Satellite flaw CVE-2026-96659, which can leak host root passwords and enable Foreman command execution.
67
Critical Linux KVM Flaw Enables Guest-to-Host Escape on ARM64 Systems
A Linux KVM bug on ARM64 with nested virtualization can let a guest read and write host kernel memory.
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2026-005: High Vulnerability in the Linux Kernel ("Copy Fail")
Linux kernel flaw CVE-2026-31431 ('Copy Fail', CVSS 7.8) allows unprivileged users to gain root via AF_ALG; a public PoC is out and most distros remain unpatched.
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Related CVEs
by mentions- CVE-2026-98432<1%9.8Use-after-free in Linux kernel IPv4 TCP options
- CVE-2026-3143198%7.8Local Privilege Escalation (Copy Fail) in Linux Kernel algif_aead Interface
- Improper TLB invalidation in Linux kernel KVM/arm64 risks cross-VM memory exposure
- Low-privilege info disclosure in Foreman template preview
- Authenticated safemode bypass RCE in Foreman
Appears with
- Red Hatvendor · 7
- Linux kernelproduct · 4
- SUSEvendor · 3
- Red Hat Satelliteproduct · 2
- Claudeai model · 2
- Debianvendor · 2
- Amazon Linuxproduct · 2
- Amazonvendor · 2
- Ubuntuproduct · 2
- Oraclevendor · 2
- Canonicalvendor · 2
- Anthropicorganization · 2
- Streams for Apache Kafkaproduct · 1
- Foremanproduct · 1
- Red Hat Ansible Automation Platformproduct · 1
- StreamsHub Console for Apache Kafkaproduct · 1
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