CVE-2026-89754

In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix stale walk-action escaping walkpmdrange If -pmdentry sets walk-action = ACTIONAGAIN, the pmdnone check is retried. The PMD entry may be cleared at the point of retry. In this case, if walk-ops-installpte is not...

CVE-2026-89752

In the Linux kernel, the following vulnerability has been resolved: mm: memcg: stop reclaim when a limit update is superseded kernfs serializes file operations only per open file, so separate open files can update the same memory.high or memory.max file concurrently. Both handlers store the new...

CVE-2026-89753

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: report RCU-tasks quiescent states in shrinklruvec I am seeing some rcutasks stalls in the Meta fleet during reclaim. INFO: rcutasks detected stalls on tasks: 0000000088620d09: .. nvcsw: 6735/6735 holdout: 1 idlecpu: -1...

CVE-2026-89751

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix off-by-one in port I/O handling handlein and handleout in arch/x86/coco/tdx/tdx.c use: u64 mask = GENMASKBITSPERBYTE size, 0; GENMASKh, l includes bit h. For size=1 INB, this produces GENMASK8, 0 = 0x1FF 9 bits inste...

CVE-2026-89750

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Clear copied tracing state before fork duplication duptaskstruct copies usereventmm from the parent into the child, without grabbing a reference to it. usereventmmdup should replace it, but it leaves that copi...

CVE-2026-89749

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix crash passing ERRPTR to kthreadstop eventteststuff calls kthreadrun and unconditionally passes the returned taskstruct pointer to kthreadstop. kthreadrun returns an error pointer such as ERRPTR-ENOMEM when kthread...

CVE-2026-89748

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix retry exhaustion in simple ring buffer reader swap simpleringbufferswapreaderpage starts with retry set to 8 and post-decrements it only after a failed link replacement. On the final attempt, a successful replacement...

CVE-2026-89747

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix use-after-free in tracepipe read on sub-buffer order change Writing to buffersubbufsizekb calls ringbuffersubbuforderset, which frees every sub-buffer of the ring buffer, including the reader page, and replaces them...

CVE-2026-89746

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix use-after-free with same-name named triggers When two hist triggers on different events are registered with the same name=, the second one reuses the first as nameddata. Both are added to tr-histvars by savehistvars...

CVE-2026-89745

In the Linux kernel, the following vulnerability has been resolved: debugfs: Fix lockdown check for mmapprepare Commit 651fdda8406d "relay: update relay to use mmapprepare" changed the mmap file operation to mmapprepare for relayfs, but the lockdown check in debugfs was not updated accordingly...

CVE-2026-89744

In the Linux kernel, the following vulnerability has been resolved: device property: fix infinite loop in fwnodeforeachchildnode When iterate over children of a fwnode that has a secondary fwnode, fwnodegetnextchildnode can enter an infinite loop if the secondary fwnode has more than one child...

CVE-2026-89743

In the Linux kernel, the following vulnerability has been resolved: misc: nsm: bound the device-reported response length nsmsendrecvmsglocked stores the virtqueue used-ring length reported by the NSM device into msg-resp.len without bounding it to the response buffer. A malicious or buggy backend...

CVE-2026-89742

In the Linux kernel, the following vulnerability has been resolved: rapidio: mportcdev: fix use-after-free in dmareqfree dmareqfree acquires bufmutex through req-map, drops the mapping reference with krefput, and then dereferences req-map again to unlock the mutex. If krefput drops the last...

CVE-2026-89741

In the Linux kernel, the following vulnerability has been resolved: Revert "media: v4l2-dev: fix error handling in videoregisterdevice" This reverts commit 2a934fdb01db6458288fc9386d3d8ceba6dd551a. The intentions of that patch were good, but it doesn't work. The idea is that if deviceregister...

CVE-2026-89740

In the Linux kernel, the following vulnerability has been resolved: serial: imx: serialize imxuartports lifetime imxuartprobe publishes its devm-allocated port in imxuartports before uartaddoneport because console setup uses the table. The entry is not cleared when adding the port fails or after...

CVE-2026-89739

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Fix use-after-free in dwc3gadgetfreeendpoints due to race condition In dwc3gadgetinitendpoint, &dep-nostreamwork is bound with dwc3nostreamwork, and dwc3gadgetendpointstreamevent can queue this delayed work on...

CVE-2026-89737

In the Linux kernel, the following vulnerability has been resolved: usb: typec: thunderbolt: Disable work before freeing tbt on remove tbtaltmoderemove drops the plug and cable references without draining tbt-work. The work function dereferences those references, and can also requeue itself in it...

CVE-2026-89738

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: at91udc: drain polled-VBUS timer/work before udc is freed In polled-VBUS mode board.vbuspin && board.vbuspolled, probe arms a self-restarting cycle: at91vbustimer schedules vbustimerwork, and at91vbustimerwork calls...

CVE-2026-89736

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: Fix use-after-free on sound card disconnect gaudiocleanup invokes sndcardfreewhenclosed to initiate sound card teardown and immediately frees the underlying struct snduacchip context. However,...

CVE-2026-89735

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: midi2: remove default configfs groups on teardown fmidi2allocinst creates default configfs child groups for the default endpoint and default block using configfsadddefaultgroup, setting their internal refcount to 1...