CVE-2026-31721

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31703

In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in inodeswitchwbsworkfn inodeswitchwbsworkfn has a loop like: wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !list break; ... process the items ... Now adding of...

EUVD-2026-26649

In the Linux kernel, the following vulnerability has been resolved: atm: lec: fix use-after-free in sockdefreadable A race condition exists between lecatmclose setting priv-lecd to NULL and concurrent access to priv-lecd in sendtolecd, lechandlebridge, and lecatmsend. When the socket is freed via...

EUVD-2026-26630

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Fix BQL accounting for multi-BD TX packets When a TX packet spans multiple buffer descriptors scatter-gather, axienetfreetxchain sums the per-BD actual length from descriptor status into a caller-provided...

CVE-2026-43031

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Fix BQL accounting for multi-BD TX packets When a TX packet spans multiple buffer descriptors scatter-gather, axienetfreetxchain sums the per-BD actual length from descriptor status into a caller-provided...

CVE-2026-43031 net: xilinx: axienet: Fix BQL accounting for multi-BD TX packets

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Fix BQL accounting for multi-BD TX packets When a TX packet spans multiple buffer descriptors scatter-gather, axienetfreetxchain sums the per-BD actual length from descriptor status into a caller-provided...

CVE-2026-43031 net: xilinx: axienet: Fix BQL accounting for multi-BD TX packets

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Fix BQL accounting for multi-BD TX packets When a TX packet spans multiple buffer descriptors scatter-gather, axienetfreetxchain sums the per-BD actual length from descriptor status into a caller-provided...

EUVD-2026-26623

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject immediate NFQUEUE verdict nftqueue is always used from userspace nftables to deliver the NFQUEUE verdict. Immediately emitting an NFQUEUE verdict is never used by the userspace nft tools, so reject...

CVE-2026-43024

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject immediate NFQUEUE verdict nftqueue is always used from userspace nftables to deliver the NFQUEUE verdict. Immediately emitting an NFQUEUE verdict is never used by the userspace nft tools, so reject...

CVE-2026-43024

CVE-2026-43024 affects Linux kernel nf_tables/netfilter: nf_queue. The issue is that immediate NF_QUEUE verdicts were emitted and could be misused; upstream patch rejects immediate NF_QUEUE verdicts to fix it. Downstream advisories indicate fixes implemented in kernel updates (e.g., upstream kern...

CVE-2026-43024 netfilter: nf_tables: reject immediate NF_QUEUE verdict

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject immediate NFQUEUE verdict nftqueue is always used from userspace nftables to deliver the NFQUEUE verdict. Immediately emitting an NFQUEUE verdict is never used by the userspace nft tools, so reject...

CVE-2026-43024

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject immediate NFQUEUE verdict nftqueue is always used from userspace nftables to deliver the NFQUEUE verdict. Immediately emitting an NFQUEUE verdict is never used by the userspace nft tools, so reject...

CVE-2026-43022 Bluetooth: hci_sync: hci_cmd_sync_queue_once() return -EEXIST if exists

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hcicmdsyncqueueonce return -EEXIST if exists hcicmdsyncqueueonce needs to indicate whether a queue item was added, so caller can know if callbacks are called, so it can avoid leaking resources. Change the...

CVE-2026-43022

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hcicmdsyncqueueonce return -EEXIST if exists hcicmdsyncqueueonce needs to indicate whether a queue item was added, so caller can know if callbacks are called, so it can avoid leaking resources. Change the...

CVE-2026-43022 Bluetooth: hci_sync: hci_cmd_sync_queue_once() return -EEXIST if exists

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hcicmdsyncqueueonce return -EEXIST if exists hcicmdsyncqueueonce needs to indicate whether a queue item was added, so caller can know if callbacks are called, so it can avoid leaking resources. Change the...

EUVD-2026-26621

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hcicmdsyncqueueonce return -EEXIST if exists hcicmdsyncqueueonce needs to indicate whether a queue item was added, so caller can know if callbacks are called, so it can avoid leaking resources. Change the...

CVE-2026-43022

The CVE-2026-43022 issue affects the Linux kernel Bluetooth HCI synchronization path: hci_cmd_sync_queue_once() did not indicate when a queue item already existed, risking resource leaks. The fix changes hci_cmd_sync_queue_once() to return -EEXIST when a queue item already exists and requires upd...

CVE-2026-43021

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

CVE-2026-43021 Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

CVE-2026-43021

CVE-2026-43021 affects the Linux kernel Bluetooth hci_sync path. A failure in hci_cmd_sync_queue_once() can skip calling the destroy callback, causing leaks of references/memory. The issue manifests during error paths, potentially leaving resources allocated for the hci_sync queue. Public discuss...