Linux kernel get_ext_report() function Heap Buffer Overflow

The vulnerability of the getextreport function in the drivers/virt/coco/sev-guest/sev-guest.c module of the Linux kernel is related to improper boundary removal of critical data. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility ...

Linux kernel get_ext_report() function Heap Buffer Overflow

The vulnerability of the getextreport function in the drivers/virt/coco/sev-guest/sev-guest.c module of the Linux kernel is related to incorrect calculation of the buffer size. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of...

CVE-2026-52959: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request SVMVMGEXITEXTGUESTREQUEST, getextreport allocates a buffer to retrieve a certificate blob from the host, keeping track ...