CVE-2026-43249

In the Linux kernel, the following vulnerability has been resolved: 9p/xen: protect xen9pfsfrontfree against concurrent calls The xenwatch thread can race with other back-end change notifications and call xen9pfsfrontfree twice, hitting the observed general protection fault due to a double-free...

CVE-2026-43239

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in -queryinterfaces It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifacelastupdate under ifacelock...

CVE-2026-43121

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix userref race between scrub and refill paths The iozcrxputniovuref function uses a non-atomic check-then-decrement pattern atomicread followed by separate atomicdec to manipulate userrefs. This is serialized...

CVE-2025-71285

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Drop the MHI autoqueue feature for IPCR DL channels MHI stack offers the 'autoqueue' feature, which allows the MHI stack to auto queue the buffers for the RX path DL channel. Though this feature simplifies the client...

CVE-2025-71285

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Drop the MHI autoqueue feature for IPCR DL channels MHI stack offers the 'autoqueue' feature, which allows the MHI stack to auto queue the buffers for the RX path DL channel. Though this feature simplifies the client...

CVE-2025-71285 net: qrtr: Drop the MHI auto_queue feature for IPCR DL channels

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Drop the MHI autoqueue feature for IPCR DL channels MHI stack offers the 'autoqueue' feature, which allows the MHI stack to auto queue the buffers for the RX path DL channel. Though this feature simplifies the client...

CVE-2026-43275

In the Linux kernel, a race condition in the UFS core driver can occur during system suspend when Runtime Power Management (RPM) level is zero. The driver previously bypassed flushing the exception-event handling work in this state, risking illegal host-controller access after entering deep power...

CVE-2026-43275

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Flush exception handling work when RPM level is zero Ensure that the exception event handling work is explicitly flushed during suspend when the runtime power management level is set to UFSPMLVL0. When the RPM...

CVE-2026-43275 scsi: ufs: core: Flush exception handling work when RPM level is zero

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Flush exception handling work when RPM level is zero Ensure that the exception event handling work is explicitly flushed during suspend when the runtime power management level is set to UFSPMLVL0. When the RPM...

CVE-2026-43271

In the Linux kernel, the following vulnerability has been resolved: md-cluster: fix NULL pointer dereference in processmetadataupdate The function processmetadataupdate blindly dereferences the 'thread' pointer acquired via rcudereferenceprotected within the waitevent macro. While the code commen...

CVE-2026-43271

CVE-2026-43271 involves the Linux kernel md-cluster module where a race during MD array startup can cause a NULL pointer dereference in process_metadata_update when a METADATA_UPDATED message arrives before mddev->thread is initialized. The root cause is the code path that dereferences the thr...

CVE-2026-43249 9p/xen: protect xen_9pfs_front_free against concurrent calls

In the Linux kernel, the following vulnerability has been resolved: 9p/xen: protect xen9pfsfrontfree against concurrent calls The xenwatch thread can race with other back-end change notifications and call xen9pfsfrontfree twice, hitting the observed general protection fault due to a double-free...

CVE-2026-43249

In the Linux kernel, the following vulnerability has been resolved: 9p/xen: protect xen9pfsfrontfree against concurrent calls The xenwatch thread can race with other back-end change notifications and call xen9pfsfrontfree twice, hitting the observed general protection fault due to a double-free...

CVE-2026-43249

The CVE-2026-43249 entry describes a race in the Linux kernel 9p/xen frontend: xenwatch and backend change notifications can concurrently call xen_9pfs_front_free, causing a double-free and a general protection fault. The fixes guard the teardown path so only a single caller releases the front-en...

CVE-2026-43249 9p/xen: protect xen_9pfs_front_free against concurrent calls

In the Linux kernel, the following vulnerability has been resolved: 9p/xen: protect xen9pfsfrontfree against concurrent calls The xenwatch thread can race with other back-end change notifications and call xen9pfsfrontfree twice, hitting the observed general protection fault due to a double-free...

CVE-2026-43239

The CVE-2026-43239 issue concerns the Linux kernel SMB client where two concurrent operations could race while updating network interfaces via query_interfaces(), risking an inconsistent state. The root cause is improper synchronization of iface_last_update under iface_lock. Public advisories con...

CVE-2026-43239

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in -queryinterfaces It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifacelastupdate under ifacelock...

CVE-2026-43239 smb: client: prevent races in ->query_interfaces()

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in -queryinterfaces It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifacelastupdate under ifacelock...

CVE-2026-43239 smb: client: prevent races in ->query_interfaces()

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in -queryinterfaces It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifacelastupdate under ifacelock...

CVE-2026-43239

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in -queryinterfaces It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifacelastupdate under ifacelock...