curl: CURLSHOPT_UNSHARE race can cause UAF in shared SSL session cache during HTTPS transfer

Summary CURLSHOPTUNSHARE can free a shared SSL session cache while another thread is starting a normal HTTPS transfer with the same share handle. The failing transfer reaches the cache through curleasyperform, during the OpenSSL handshake. libcurl appears to try to reject this kind of lifetime...

CLSA-2025-1757961506 kernel: Fix of 26 CVEs

posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel CVE-2025-38352 - xfrm: state: fix out-of-bounds read during lookup CVE-2024-57982 - nfsd: fix race between laundromat and freestateid CVE-2024-50106 - nfsd: split scstatus out of sctype CVE-2024-50106 - nfsd: avoid race...

kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...