CVE-2026-43037
Multiple vulnerabilities have been discovered in Red Hat Linux kernel. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.
CSIRTS triage
- What
- Multiple kernel vulnerabilities including remote code execution, privilege escalation, and denial of service flaws.
- Who is affected
- Red Hat Enterprise Linux and compatible systems running vulnerable kernel versions.
- Urgency
- Critical; kernel-level RCE vulnerabilities demand immediate patching across all affected systems.
- Action
- Apply Red Hat kernel security updates via yum/dnf update to patch all identified vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 44% of all EPSS-scored CVEs.
Advisory coverage (33)
- unknownUSN-8667-1: Linux kernel (KVM) vulnerabilitiesubuntu · 2026-08-21
- unknownUSN-8529-2: Linux kernel vulnerabilitiesubuntu · 2026-08-13
- unknownUSN-8548-2: Linux kernel vulnerabilitiesubuntu · 2026-08-13
- unknownUSN-8530-2: Linux kernel (HWE) vulnerabilitiesubuntu · 2026-08-13
- unknownUSN-8635-1: Linux kernel (Azure) vulnerabilitiesubuntu · 2026-08-12
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 31, 2026)cert-fr-avis · 2026-07-31
- unknownUSN-8615-2: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-07-29
- highUSN-8619-1: Linux kernel (HWE) vulnerabilitiesubuntu · 2026-07-28
- unknownUSN-8616-1: Linux kernel (IBM) vulnerabilitiesubuntu · 2026-07-28
- unknownUSN-8615-1: Linux kernel vulnerabilitiesubuntu · 2026-07-28
- unknownUSN-8547-2: Linux kernel (Azure FIPS) vulnerabilitiesubuntu · 2026-07-28
- highUSN-8609-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8607-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8606-1: Linux kernel (Azure) vulnerabilitiesubuntu · 2026-07-24
- unknownUSN-8605-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu · 2026-07-24
- unknownUSN-8604-1: Linux kernel (Azure) vulnerabilitiesubuntu · 2026-07-24
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 24, 2026)cert-fr-avis · 2026-07-24
- unknownUSN-8490-2: Linux kernel (Real-time) vulnerabilitiesubuntu · 2026-07-17
- unknownUSN-8490-1: Linux kernel vulnerabilitiesubuntu · 2026-07-17
- unknownUSN-8548-1: Linux kernel vulnerabilitiesubuntu · 2026-07-15
- unknownUSN-8547-1: Linux kernel vulnerabilitiesubuntu · 2026-07-15
- unknownUSN-8546-1: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-07-15
- unknownUSN-8545-1: Linux kernel (HWE) vulnerabilitiesubuntu · 2026-07-15
- unknownUSN-8530-1: Linux kernel (AWS) vulnerabilitiesubuntu · 2026-07-10
- unknownUSN-8529-1: Linux kernel vulnerabilitiesubuntu · 2026-07-10
- unknownexploitedUSN-8528-1: Linux kernel (Xilinx ZynqMP) vulnerabilitiesubuntu · 2026-07-10
- unknownUSN-8527-1: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-07-10
- unknownUSN-8492-5: Linux kernel (FIPS) vulnerabilitiesubuntu · 2026-07-10
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 2026)cert-fr-avis · 2026-07-10
- unknownUSN-8492-4: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-07-09
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 3, 2026)cert-fr-avis · 2026-07-03
- unknownRedHat Linux Kernel Multiple Vulnerabilitieshkcert · 2026-07-02
- unknownMultiple vulnerabilities in the Red Hat Linux kernel (June 26, 2026)cert-fr-avis · 2026-06-26
External references
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