CVE-2026-74664 net: openvswitch: reallocate update replies for mismatched IDs

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reallocate update replies for mismatched IDs ovsflowcmdnew preallocates the optional reply skb before it takes ovsmutex and before it knows which existing flow will be updated. That is normally fine because the...

CVE-2026-74663 net/sched: reject overly deep qdisc hierarchies

In the Linux kernel, the following vulnerability has been resolved: net/sched: reject overly deep qdisc hierarchies Deep qdisc hierarchies can lead to excessive recursion in qdisc tree walkers and exhaust the kernel stack. The existing loop check does not cover the create-and-graft path, so a...

CVE-2026-74662 inet: frags: publish queues before arming timer

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inetfragcreate arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before th...

CVE-2026-74661 mac802154: fix netdev use-after-free in beacon worker

In the Linux kernel, the following vulnerability has been resolved: mac802154: fix netdev use-after-free in beacon worker mac802154beaconworker reads local-beaconreq under RCU and derives the sub-interface from the request, but then drops the RCU read lock and continues to use both sdata and the...

CVE-2026-74660 netfilter: ebt_nflog: pin the NFLOG backend

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtnflog: pin the NFLOG backend nflogunregister runs after the per-net teardown so its final RCU grace period also drains readers that obtained the logger from a per-net binding. However, ebtnflog passes an explicit UL...

CVE-2026-74659 net: bridge: mrp: fix uninitialised bytes on the wire

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mrp: fix uninitialised bytes on the wire brmrpalloctestskb builds MRP test frames on an skb from devallocskb, which does not clear the linear data area. On the MRA ring-role branch the sub-option TLV header is append...

CVE-2026-74658 futex: Prevent robust futex exit race some more

In the Linux kernel, the following vulnerability has been resolved: futex: Prevent robust futex exit race some more A robust futex unlock stores 0 over the whole futex value - wiping FUTEXWAITERS - and wakes a single waiter. That wakeup is a one-shot notification: the protocol relies on its...

CVE-2026-74657 ipv4: Fix fib_nlmsg_size() for RTA_VIA nexthops

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix fibnlmsgsize for RTAVIA nexthops fibnlmsgsize still estimates nexthop space as if every gateway is encoded as an IPv4 RTAGATEWAY attribute. IPv4 routes can also carry an IPv6 gateway, which fibnexthopinfo dumps as RTAVI...

CVE-2026-74656 ipv4: fix use-after-free in fib_nhc_update_mtu()

In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...

CVE-2026-74654 serial: 8250_dma: Clear stale RX state on shutdown

In the Linux kernel, the following vulnerability has been resolved: serial: 8250dma: Clear stale RX state on shutdown serial8250releasedma terminates RX DMA and releases the channel, but leaves rxrunning set. If the port is closed while an RX transfer is active, the stale state remains while rxch...

CVE-2026-74655 serial: qcom-geni: fix TX DMA buffer flush

In the Linux kernel, the following vulnerability has been resolved: serial: qcom-geni: fix TX DMA buffer flush When transmit flushing a qcom-geni UART during an ongoing TX DMA, the UART gets stuck infinitely repeating corrupted TX DMA frames. The DMA-mode uartops does not provide a flushbuffer...

CVE-2026-74653 serial: 8250_of: clear stuck empty-FIFO RX-timeout on LPC32xx

In the Linux kernel, the following vulnerability has been resolved: serial: 8250of: clear stuck empty-FIFO RX-timeout on LPC32xx The NXP LPC32xx UART PORTLPC3220 can latch an RX character-timeout interrupt while the RX FIFO is empty: IIR reports UARTIIRRXTIMEOUT 0x0c but LSR.DR is clear. A...

CVE-2026-74652 serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ

In the Linux kernel, the following vulnerability has been resolved: serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ The RS485 trigger hrtimers are embedded in the devm-managed port and can fire after it is freed. The IRQ handler can arm a timer, so free the IRQ first and then cancel...

CVE-2026-74651 staging: rtl8723bs: fix OOB read in rtw_get_wpa_ie()

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB read in rtwgetwpaie rtwgetwpaie reads bytes at fixed offsets into a vendor-specific information element without checking that the element is long enough, causing an out-of-bounds read for a short...

CVE-2026-74650 staging: rtl8723bs: fix OOB read in WMM_param_handler()

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB read in WMMparamhandler WMMparamhandler copies a fixed-size WMM parameter element out of a received information element without checking that the element is long enough, causing an out-of-bounds read f...

CVE-2026-74649 staging: rtl8723bs: fix missing shared-key auth challenge length check

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix missing shared-key auth challenge length check The WEP shared-key authentication handler uses the challenge-text element's attacker-controlled length without checking it against the fixed 128-byte chgtxt...

CVE-2026-74647 misc: fastrpc: Remove buffer from list prior to unmap operation

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Remove buffer from list prior to unmap operation fastrpcreqmunmapimpl is called to unmap any buffer. The buffer is getting removed from the list after it is unmapped from DSP. This can create potential race...

CVE-2026-74648 staging: rtl8723bs: validate monitor transmit frame lengths

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: validate monitor transmit frame lengths rtwcfg80211monitorifxmitentry removes the radiotap header and then reads the 802.11 frame control field without checking that a base 802.11 header remains. The data path...

CVE-2026-74646 misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: take fl-lock when moving mmaps on interrupted invoke When an invoke is interrupted by a signal, waitforcompletioninterruptible returns -ERESTARTSYS and fastrpcinternalinvoke moves every buffer from fl-mmaps onto...

CVE-2026-74645 mm/damon/lru_sort: error out for >10000 active_mem_bp

In the Linux kernel, the following vulnerability has been resolved: mm/damon/lrusort: error out for 10000 activemembp damosquotascore can trigger division by zero if the target value is zero. DAMONLRUSORT lets users set the target value for the hot memory scheme via activemembp parameter. It avoi...