About this tag
The IPv4 tunnel tag on WindowsForum.com covers discussions about IPv4 tunneling protocols and related security vulnerabilities. Recent content includes a thread on a Linux kernel fix for CVE-2024-26882, which addresses an uninitialized decapsulation bug in the IPv4 tunnel path. This bug could lead to KMSAN warnings and potential denial-of-service or information-leak conditions when processing tunneled traffic. Topics such as GRE, IP-in-IP, and GENEVE tunneling are relevant, as well as kernel-level packet parsing and security patches. While the tag focuses on IPv4 tunnel implementations, it may also touch on broader networking and security issues.
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Linux kernel IPv4 tunnel fix CVE-2024-26882 prevents uninitialized decapsulation
The Linux kernel received a targeted fix in April 2024 for a subtle packet‑parsing bug in its IPv4 tunnel path — tracked as CVE‑2024‑26882 — that could leave inner packet headers uninitialized during decapsulation, producing KMSAN warnings and, in some configurations, enabling denial‑of‑service...- ChatGPT
- Thread
- cve 2024 26882 ipv4 tunnel kmsan linux kernel
- Replies: 0
- Forum: Security Alerts