[UPDATE] [medium] Linux Kernel: Vulnerability allows privilege escalation
A local attacker can exploit a vulnerability in the Linux Kernel to elevate their privileges.
CSIRTS triage
- What
- A local attacker can exploit a vulnerability in the Linux Kernel to elevate their privileges.
- Who is affected
- Local users of the Linux Kernel.
- Urgency
- Remediation is medium urgency as exploitation is possible but not currently observed.
- Action
- Apply the latest security patches for the Linux Kernel.
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-2026-1771
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.
- Low exploitation riskCVE-2026-462430.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-46243 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownUSN-8530-1: Linux kernel (AWS) vulnerabilitiesubuntu
- unknownUSN-8529-1: Linux kernel vulnerabilitiesubuntu
- unknownexploitedUSN-8528-1: Linux kernel (Xilinx ZynqMP) vulnerabilitiesubuntu
- unknownUSN-8527-1: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu
- unknownUSN-8492-5: Linux kernel (FIPS) vulnerabilitiesubuntu
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 2026)cert-fr-avis
- unknownUSN-8492-4: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu
- unknownUSN-8490-2: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 3, 2026)cert-fr-avis
- unknownRedHat Linux Kernel Multiple Vulnerabilitieshkcert
- highCVE-2026-46243: smb: client: reject userspace cifs.spnego descriptionsmsrc
Recent advisories for Linux Kernel
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-53363: In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: preserve shar…nvd · 2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of servicecert-bund · 2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of servicecert-bund · 2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attackcert-bund · 2026-07-10
- high[UPDATE] [high] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-07-10
- high[UPDATE] [high] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-07-10
More from CERT-Bund (BSI) Security Advisories
- medium[NEW] [medium] DENX U-Boot: Multiple vulnerabilities allow execution of arbitrary code and DoS2026-07-10
- medium[NEW] [medium] Samsung Android: Multiple vulnerabilities2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attack2026-07-10
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-10