K000163350: Linux kernel vulnerability CVE-2026-31786

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c The build id returned by HYPERVISORxenversionXENVERbuildid is neither NUL terminated nor a string. The first causes a buffer overflow as sprintf in...

ROS-20260916-73-0028

The vulnerability of the buildidshow function in the drivers/xen/privcmd.c module of the Linux kernel device driver library is related to the re-release of previously released memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

kernel: Buffer overflow in drivers/xen/sys-hypervisor.c

A flaw was found in the Linux kernel. A buffer overflow vulnerability exists in the Xen hypervisor driver drivers/xen/sys-hypervisor.c. This flaw occurs because the HYPERVISORxenversionXENVERbuildid function returns a build ID that is not properly null-terminated. When the buildidshow function...

CVE-2026-31786: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c The build id returned by HYPERVISORxenversionXENVERbuildid is neither NUL terminated nor a string. The first causes a buffer overflow as sprintf in buildidshow will read and copy ti...