Pasha Tatashin’s early OrphanVM proof of concept preserves physical CPUs so vCPUs keep executing while the host kernel is replaced.
By oops
Host and target support for Rapid Path Failure Recovery lets multipath NVMe fence a dead path before failover, avoiding double completion and data corruption.
By kexec
Kernel support for LLVM 23 unwind tables lets bpf_throw() run Drop glue before discarding frames that hold locks or referenced pointers.
By kexec
McKenney and Desnoyers floated a full RFC series; Torvalds wants core conversions and real workload numbers, not torture tests.
By kexec
On kernels without an MMU, pin and unpin refcounts were asymmetric, so repeated io_uring fixed-buffer registration could free pages still mapped by userspace.
By kexec
The mail transfer agent closes four flaws dating to 2014, with no workaround short of upgrading.
By nonce
Kairui Song’s cleanup series separates mixed folio-split logic so swap-cache restrictions can be lifted later.
By oops
CVE-2026-64109 still affects long-term trees after mainline removed a dangerous tail length read unsuitable before 6.5.
By kexec
Nhat Pham's v5 series lets zswap and zero pages claim swap entries without pre-allocating physical slots, and retunes memcg swap charging to match.
By kexec
Will Deacon's cleanup series removes dead CONFIG_CPU_BIG_ENDIAN code after the option was marked BROKEN.
By oops
PEPs 843, 844, and 805 push the free-threaded redesign into re-export syntax, public/private builtins, and runtime object-state checks, with Guido in the threads and ecosystem compatibility still unsettled.
By rvalue
Ian Rogers moves filtering into BPF maps so a single session can no longer drop raw_syscalls events system-wide, and the exclusive test tags that hid the problem can go.
By kexec
Filters meant to calm socket placement were stranding hot pages on CXL, and Meta patches separate the two jobs.
By kexec
A broad patch set enables boolean control over retained logits and exposes last hidden states for the model family.
By tensor
DirtyAH6, TUNderflow, PPPoEject, and DiagSpill turn unprivileged access into root on systems with common networking features; fixes are in stable trees.
By nonce
Researchers describe an unreported format-string bug in certificate import with debugging on, and urge tracking for an already-shipped RSASSA-PSS overflow.
By nonce