Local Privilege Escalation Vulnerability in Linux Kernel Utilizing Netfilter
CVE-2026-23111
Key Information:
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What is CVE-2026-23111?
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Affected Version(s)
Linux 25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8 < 8c760ba4e36c750379d13569f23f5a6e185333f5
Linux d60be2da67d172aecf866302c91ea11533eca4d9
Linux 628bd3e49cba1c066228e23d71a852c23e26da73 < 42c574c1504aa089a0a142e4c13859327570473d
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
News Articles
SwapupdateCVE-2026-23111One-Character Linux Kernel Flaw Enables Local Root Access, Exploits Now Public
Swati KhandelwalJun 08, 2026Linux / Vulnerability
21 hours ago
The Hacker NewsCVE-2026-23111One-Character Linux Kernel Flaw Enables Local Root Access, Exploits Now Public
CVE-2026-23111 is a Linux kernel nf_tables use-after-free that lets an unprivileged local user escalate to root and escape a container.
1 day ago
It Security NewsCVE-2026-23111New Linux Kernel Vulnerability Lets Attackers Escalate Privileges to Root - IT Security News
A use-after-free vulnerability in the Linux kernel’s nftables subsystem has been disclosed, enabling unprivileged local attackers to escalate privileges to root on widely deployed distributions including Debian Bookworm, Debian Trixie, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. Tracked as CVE-2026-2311...
1 day ago
References
CVSS V3.1
Timeline
- 🟡
Public PoC available
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Exploit known to exist
- 📰
First article discovered by It Security News
Vulnerability published
Vulnerability Reserved