[UPDATE] [high] Linux Kernel (Fragnesia): Vulnerability Allows Gaining Administrator Rights
A local attacker can exploit a vulnerability in the Linux Kernel to gain administrator rights.
CSIRTS triage
- What
- A local attacker can exploit a vulnerability in the Linux Kernel to gain administrator rights.
- Who is affected
- Local deployments of the Linux Kernel are affected.
- Urgency
- Remediation is urgent due to the high severity of privilege escalation.
- Action
- Update the Linux Kernel to the latest version to fix this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1530
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Moderate exploitation riskCVE-2026-463007.0% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 94% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-46300 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownFragnesia Local Privilege Escalation report via ESP-in-TCP in the Linux Kernelaws
- unknownexploitedOngoing updates on Copy.fail and variantsaws
- unknownexploitedSiemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFPcisa
- highUSN-8569-1: Linux kernel (HWE) vulnerabilitiesubuntu
- unknownexploitedUSN-8528-1: Linux kernel (Xilinx ZynqMP) vulnerabilitiesubuntu
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 2026)cert-fr-avis
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 3, 2026)cert-fr-avis
- unknownRedHat Linux Kernel Multiple Vulnerabilitieshkcert
- unknownMultiple vulnerabilities in the Ubuntu Linux kernel (June 26, 2026)cert-fr-avis
- criticalexploitedImpact of Linux Kernel vulnerabilities on B&R productscisa
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