CVE-2026-31686

creationtimestamp| type| source ---|---|--- 2026-07-02 05:50:38+00:00| seen| https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities20260702 2026-07-06 05:52:54+00:00| seen| https://www.hkcert.org/security-bulletin/debian-linux-kernel-multiple-vulnerabilities20260706...

UBUNTU-CVE-2026-31686

In the Linux kernel, the following vulnerability has been resolved: mm/kasan: fix double free for kasan pXds kasanfreepxd assumes the page table is always struct page aligned. But that's not always the case for all architectures. E.g. In case of powerpc with 64K pagesize, PUD table of size 4096...