CVE-2026-64225

Linux kernel CVE-2026-64225 affects octeontx2-af CGX: cgx_speed_mbps has 13 elements, but RESP_LINKSTAT_SPEED can yield 0–15, leading to out-of-bounds access and potential memory corruption/System crash. The fix adds a bounds check and defaults the speed to 0 when index is out of range. Affected ...

PT-2026-64340

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds array access occurs in the octeontx2-af driver. The cgx speed mbps array contains 13 elements, but the RESP LINKSTAT SPEED value can range from 0 to 15. When RESP LINKST...

CVE-2026-64225: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: CGX: add bounds check to cgxspeedmbps index cgxspeedmbps has 13 elements but RESPLINKSTATSPEED can yield values 0-15. If it returns a value = 13, this causes an out-of-bounds array access. Add a bounds check and...

CVE-2026-63923

A flaw was found in the Linux kernel's octeontx2-af driver. A malicious Virtual Function VF attached to a Physical Function PF in switchdev representor mode can send a specially crafted REPEVENTNOTIFY message. This message contains an unvalidated pcifunc field, which can lead to an out-of-bounds...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 bsc1243603. CVE-2025-71302: drm/panthor: fix for dma-fence safe access rules...

SUSE CVE-2026-63923

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues: The following security issues were fixed: CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 bsc1243603. CVE-2025-71302: drm/panthor: fix for dma-fence safe access...

Linux Distros Unpatched Vulnerability : CVE-2026-63923

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify...

CVE-2026-63923

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...

CVE-2026-63923 octeontx2-af: validate body pcifunc in rvu_mbox_handler_rep_event_notify

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...

CVE-2026-63923

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...

CVE-2026-63923 octeontx2-af: validate body pcifunc in rvu_mbox_handler_rep_event_notify

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...

CVE-2026-63923

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...

EUVD-2026-45696

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...

CVE-2026-63923

CVE-2026-63923 affects the Linux kernel’s octeontx2-af path, where rvu_mbox_handler_rep_event_notify forwards attacker-controlled event fields (pcifunc) without proper bounds checking. The root cause is lack of validation when translating nested body pcifunc into PF/VF mailbox indices, allowing o...

CVE-2026-63923: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...

CVE-2026-46249

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix PF driver crash with kexec kernel booting During a kexec reboot the hardware is not power-cycled, so AF state from the old kernel can persist into the new kernel. When AF and PF drivers are built as modules, the...

CVE-2026-46249

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix PF driver crash with kexec kernel booting During a kexec reboot the hardware is not power-cycled, so AF state from the old kernel can persist into the new kernel. When AF and PF drivers are built as modules, the...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the octeontx2-af driver failing to clear the RVUM block revision during kexec reboot. This causes...

CVE-2026-46249: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix PF driver crash with kexec kernel booting During a kexec reboot the hardware is not power-cycled, so AF state from the old kernel can persist into the new kernel. When AF and PF drivers are built as modules, the...