Friday Squid Blogging: Bigfin Squid
2026-05-16T07:23:41Z•531d51c5433122da00dc3756d1ea7003cc61917eac4862156e093902bf07ec1f
AF_ALGAnthropic-MythosCVE-2026-31431GPT-5.5LLM-securityage-verification-bypassbiometric-bypasscopy.failfacial-recognitioninsider-bettinglinux-kernellocal-privilege-escalationpage-cachepolymarketsecurity-policysmart-glassessplicetext-steganographyvulnerability-research
What happened
Collection of security-related blog posts: a severe Linux kernel local privilege escalation dubbed “copy.fail” (CVE-2026-31431) disclosed with a working PoC that abuses the kernel crypto API (AF_ALG) plus splice() to write into another file’s page cache, affecting major distributions and evading checksum-based detectors; discussion of powerful LLMs (Anthropic’s Mythos and OpenAI GPT-5.5) that are highly capable at finding software vulnerabilities; LLMs being effective at text-in-text steganography; on-camera age-verification bypasses (e.g., fooled by a fake mustache); ICE development of smart‑
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- schneier_blog
- Record identifier
- 531d51c5433122da00dc3756d1ea7003cc61917eac4862156e093902bf07ec1f
- Enrichment time
- 2026-05-16T07:23:41Z
- AI-assisted enrichment
- Yes
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