CVE-2026-80926

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2oplockbreaknoti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected,...

CVE-2026-80927

In the Linux kernel, the following vulnerability has been resolved: timekeeping: Check the return value of tkgetauxts64 in doadjtimex If the auxiliary clock is disabled during tkgetauxts64 but is enabled before tks-clockvalid is checked, then uninitialized stackdata will be used in the calculatio...

AZL-100751 CVE-2026-80926 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2oplockbreaknoti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected,...

CVE-2026-80926

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2oplockbreaknoti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected,...

CVE-2026-80932

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: flush works in dependency order virtiovsockremove stops the virtqueues and then flushes each work item before freeing the enclosing virtiovsock. The current order does not account for dependencies between those item...

UBUNTU-CVE-2026-80927

In the Linux kernel, the following vulnerability has been resolved: timekeeping: Check the return value of tkgetauxts64 in doadjtimex If the auxiliary clock is disabled during tkgetauxts64 but is enabled before tks-clockvalid is checked, then uninitialized stackdata will be used in the calculatio...

UBUNTU-CVE-2026-80932

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: flush works in dependency order virtiovsockremove stops the virtqueues and then flushes each work item before freeing the enclosing virtiovsock. The current order does not account for dependencies between those item...

UBUNTU-CVE-2026-80926

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2oplockbreaknoti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected,...

CVE-2026-80927

In the Linux kernel, the following vulnerability has been resolved: timekeeping: Check the return value of tkgetauxts64 in doadjtimex If the auxiliary clock is disabled during tkgetauxts64 but is enabled before tks-clockvalid is checked, then uninitialized stackdata will be used in the calculatio...

Exploit for Use After Free in Microsoft

CVE-2026-42978-PoC-Research CVE-2026-4...

CVE-2026-89772 btrfs: write-protect folios during data writeback

In the Linux kernel, the following vulnerability has been resolved: btrfs: write-protect folios during data writeback commit 095be159f3eb "btrfs: unify folio dirty flag clearing" replaced the foliocleardirtyforio call in extentwritecachepages with a plain foliotestdirty check. Besides clearing th...

CVE-2026-89771 ring-buffer: Fix subbuf resize race with ring buffer readers

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix subbuf resize race with ring buffer readers tracebuffer subbufsize is read lockless in ringbufferreadpage and ringbufferreadstart, while it can simultaneously be resized with ringbuffersubbuforderset. Instead of...

CVE-2026-89771 ring-buffer: Fix subbuf resize race with ring buffer readers

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix subbuf resize race with ring buffer readers tracebuffer subbufsize is read lockless in ringbufferreadpage and ringbufferreadstart, while it can simultaneously be resized with ringbuffersubbuforderset. Instead of...

CVE-2026-89771

This Linux kernel race condition affects the trace ring buffer resize mechanism. The field trace_buffer::subbuf_size is read locklessly in ring_buffer_read_page() and ring_buffer_read_start() while it can be concurrently modified by ring_buffer_subbuf_order_set(). According to Red Hat, this can a...

EUVD-2026-76683

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix subbuf resize race with ring buffer readers tracebuffer subbufsize is read lockless in ringbufferreadpage and ringbufferreadstart, while it can simultaneously be resized with ringbuffersubbuforderset. Instead of...

CVE-2026-89771

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix subbuf resize race with ring buffer readers tracebuffer subbufsize is read lockless in ringbufferreadpage and ringbufferreadstart, while it can simultaneously be resized with ringbuffersubbuforderset. Instead of...

CVE-2026-89766

This Linux kernel vulnerability affects the PIDFD_GET_*_NAMESPACE ioctls in pidfd_ioctl(), which perform a ptrace credentials check before handing out a namespace file descriptor. Unlike the equivalent procfs paths (proc_ns_get_link, proc_ns_readlink), the pidfd path did not hold the target task'...

EUVD-2026-76676

In the Linux kernel, the following vulnerability has been resolved: rust: devres: fix race between concurrent revokers There is a potential race condition when two paths try to revoke a Devres concurrently. The driver core's devresreleaseall calls Revocable::revoke via the release callback, while...

CVE-2026-89764

CVE-2026-89764 affects the Linux kernel's Rust devres (device resource) subsystem. A race condition occurs when two code paths concurrently revoke a Devres resource: the driver core's devres_release_all() calls Revocable::revoke() via the release callback, while Devres::drop() calls revoke_nosync...

CVE-2026-89764 rust: devres: fix race between concurrent revokers

In the Linux kernel, the following vulnerability has been resolved: rust: devres: fix race between concurrent revokers There is a potential race condition when two paths try to revoke a Devres concurrently. The driver core's devresreleaseall calls Revocable::revoke via the release callback, while...