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Signal

New Linux privilege escalation flaw 'Fragnesia' adds to recent kernel vulnerabilities

Evidence first: scan the strongest sources, then decide whether to go deeper.

Published 2026-05-14 20:29 UTCUpdated 2026-05-15 00:50 UTC
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cvevulnerabilitylinuxprivilege_escalationkernelexploit
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Evidence trail (top sources)
top sources (2 domains)domains are deduped. counts indicate coverage, not truth.
2 top sources shown
limited source diversity in top sources
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Overview

Fragnesia (CVE-2026-46300) is a newly disclosed local privilege escalation vulnerability in the Linux kernel affecting the XFRM ESP-in-TCP subsystem.

Entities
DigitalDefenceFragnesiaCopyFailDirty FragRobert Beggs
Score total
0.86
Momentum 24h
2
Posts
2
Origins
2
Source types
1
Duplicate ratio
0%
Why now
  • Fragnesia is the latest in a rapid succession of Linux kernel privilege escalation flaws.
  • A public exploit is already available, increasing risk of active attacks.
  • Linux administrators must respond quickly to protect systems from exploitation.
Why it matters
  • Fragnesia enables local attackers to bypass critical Linux kernel security controls.
  • Multiple recent Linux kernel vulnerabilities increase risk for unpatched systems.
  • Public proof-of-concept exploit raises urgency for patching and mitigation.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: medium
Recurring claims
  • Fragnesia is a local privilege escalation vulnerability in the Linux kernel affecting the XFRM ESP-in-TCP subsystem.
  • Fragnesia is the fourth Linux privilege escalation flaw disclosed in the last three weeks, following CopyFail and Dirty Frag.
  • A proof-of-concept exploit for Fragnesia is publicly available, but remote exploitation is not possible.
How sources frame it
  • Robert Beggs, DigitalDefence: neutral
All evidence
All evidence
Meet Fragnesia, the third Linux kernel vulnerability in a month
CSO Online · csoonline.com · 2026-05-14 20:29 UTC
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Top publishers (this list)
  • SC Media (1)
  • CSO Online (1)
Top origin domains (this list)
  • scworld.com (1)
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