CVE-2026-53256 Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: hold listener socket in rfcommconnectind rfcommgetsockbychannel scans rfcommsklist under the list lock, but returns the selected listener after dropping that lock without taking a reference. rfcommconnectind th...

EUVD-2026-39289

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of a deferred filelock on double SMB2CANCEL A deferred byte-range lock an SMB2LOCK that blocks registers an async work on conn-asyncrequests via setupasyncwork, with cancelfn = smb2removeblockedlock and...

CVE-2026-53198 ksmbd: fix use-after-free of a deferred file_lock on double SMB2_CANCEL

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of a deferred filelock on double SMB2CANCEL A deferred byte-range lock an SMB2LOCK that blocks registers an async work on conn-asyncrequests via setupasyncwork, with cancelfn = smb2removeblockedlock and...

CVE-2026-53198 ksmbd: fix use-after-free of a deferred file_lock on double SMB2_CANCEL

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of a deferred filelock on double SMB2CANCEL A deferred byte-range lock an SMB2LOCK that blocks registers an async work on conn-asyncrequests via setupasyncwork, with cancelfn = smb2removeblockedlock and...

CVE-2026-53198

The CVE-2026-53198 issue affects ksmbd in the Linux kernel: a deferred byte-range lock (SMB2_LOCK) uses async_work with a cancel_fn (smb2_remove_blocked_lock) and cancel_argv pointing to a file_lock. If a second SMB2_CANCEL arrives before release_async_work(), the cancel callback can run again on...

CVE-2026-53198

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of a deferred filelock on double SMB2CANCEL A deferred byte-range lock an SMB2LOCK that blocks registers an async work on conn-asyncrequests via setupasyncwork, with cancelfn = smb2removeblockedlock and...

PT-2026-52294

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the ksmbd module of the Linux kernel. A deferred byte-range lock registers asynchronous work via setup async work, where the cancel fn is set to smb2...

PT-2026-52351

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Bluetooth RFCOMM implementation. The function rfcomm get sock by channel scans the rfcomm sk list under a list lock but returns the selected...

CVE-2026-53079

In the Linux kernel, the following vulnerability has been resolved: netsched: fix skb memory leak in deferred qdisc drops When the network stack cleans up the deferred list via qdiscrunend, it operates on the root qdisc. If the root qdisc do not implement the TCQFDEQUEUEDROPS flag the packets que...

CVE-2026-53079

In the Linux kernel, the following vulnerability has been resolved: netsched: fix skb memory leak in deferred qdisc drops When the network stack cleans up the deferred list via qdiscrunend, it operates on the root qdisc. If the root qdisc do not implement the TCQFDEQUEUEDROPS flag the packets que...

CVE-2026-53109

In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in ptefragdestroy powerpc uses ptfragrefcount as a reference counter for tracking it's pte and pmd page table fragments. For PTE table, in case of Hash with 64K pagesize, we have 16...

EUVD-2026-38977

In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in ptefragdestroy powerpc uses ptfragrefcount as a reference counter for tracking it's pte and pmd page table fragments. For PTE table, in case of Hash with 64K pagesize, we have 16...

EUVD-2026-38947

In the Linux kernel, the following vulnerability has been resolved: netsched: fix skb memory leak in deferred qdisc drops When the network stack cleans up the deferred list via qdiscrunend, it operates on the root qdisc. If the root qdisc do not implement the TCQFDEQUEUEDROPS flag the packets que...

CVE-2026-53079

CVE-2026-53079 affects the Linux kernel networking path in net_sched. The issue is a memory leak where, during deferred qdisc drops, packets not freed on root qdisc due to missing TCQ_F_DEQUEUE_DROPS handling remain stranded on child to_free lists. The fix makes qdisc_dequeue_drop() fetch and che...

CVE-2026-53079 net_sched: fix skb memory leak in deferred qdisc drops

In the Linux kernel, the following vulnerability has been resolved: netsched: fix skb memory leak in deferred qdisc drops When the network stack cleans up the deferred list via qdiscrunend, it operates on the root qdisc. If the root qdisc do not implement the TCQFDEQUEUEDROPS flag the packets que...

CVE-2026-53079 net_sched: fix skb memory leak in deferred qdisc drops

In the Linux kernel, the following vulnerability has been resolved: netsched: fix skb memory leak in deferred qdisc drops When the network stack cleans up the deferred list via qdiscrunend, it operates on the root qdisc. If the root qdisc do not implement the TCQFDEQUEUEDROPS flag the packets que...

CVE-2026-53025 greybus: raw: fix use-after-free on cdev close

In the Linux kernel, the following vulnerability has been resolved: greybus: raw: fix use-after-free on cdev close This addresses a use-after-free bug when a raw bundle is disconnected but its chardev is still opened by an application. When the application releases the cdev, it causes the followi...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ata: libata-scsi: avoid Non-NCQ command starvation When a non-NCQ command is issued while NCQ commands are being executed, atascsiqcissue indicates to the SCSI layer that the command issuance should be deferred by returning...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: IOMMU: Disable SVA when CONFIGX86 is set The patch series “Fix stale IOTLB entries for kernel address space”, version 7, proposes a fix for a security vulnerability related to IOMMU Shared Virtual Addressing SVA. In an SVA contex...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: schedext: A potential deadlock has been fixed in deferredirqworkfn. For PREEMPTRT=y kernels, deferredirqworkfn is executed in the per-cpu irqwork/ task context, and not in disable-irq. If the rq returned by containerof is the...