UBUNTU-CVE-2026-89519

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace SCXRQBALKEEP with a dispatch verdict return SCXRQBALKEEP tells the pick to keep running the previous task, a leftover from when balancing and picking were separate operations. An rq-level flag only works while...

CVE-2026-89535

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reorder rpcrdmarnunregister before rdmadestroyid svcrdmafree caches rdma-sccmid-device before teardown, then calls rdmadestroyidsccmid which frees the cmid. rpcrdmarnunregister follows, but between those two calls the...

UBUNTU-CVE-2026-89595

In the Linux kernel, the following vulnerability has been resolved: fsnotify: Fix stale object mask after concurrent mark updates When a mark gets a new event bit, fanotify and inotify may avoid recalculating the object mask if the cached aggregate already contains that bit. This is racy with a...

CVE-2026-81005

In the Linux kernel, the following vulnerability has been resolved: ipmi: si: Fix NULL pointer dereference after failed registration trysmiinit allocates newsmi-sism and later calls ipmiregistersmimod, which maps to ipmiaddsmi. During ipmiaddsmi, the upper IPMI message handler obtains the initial...

DEBIAN-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...

DEBIAN-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-100172 CVE-2026-80928 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: smack: fix cred UAF in smackfilesendsigiotask When inspecting the credentials of another task, objective credentials -realcred, accessed with taskcred must always be used. Accessing -cred on a non-current task is forbidden unless...

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,...

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...

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...

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...