CVE-2026-90211 bpf, s390: Clear fetch destination on faulting arena atomic

In the Linux kernel, the following vulnerability has been resolved: bpf, s390: Clear fetch destination on faulting arena atomic Same missing register clear as on riscv64. A RMW atomic on an arena pointer is converted to BPFPROBEATOMIC and gets an exception table entry, but bpfjitprobeatomicpre on...

CVE-2026-90211

In the Linux kernel, the following vulnerability has been resolved: bpf, s390: Clear fetch destination on faulting arena atomic Same missing register clear as on riscv64. A RMW atomic on an arena pointer is converted to BPFPROBEATOMIC and gets an exception table entry, but bpfjitprobeatomicpre on...

EUVD-2026-81804

In the Linux kernel, the following vulnerability has been resolved: bpf, s390: Clear fetch destination on faulting arena atomic Same missing register clear as on riscv64. A RMW atomic on an arena pointer is converted to BPFPROBEATOMIC and gets an exception table entry, but bpfjitprobeatomicpre on...

CVE-2026-90209 s390/debug: Fix deadlock during unregister

In the Linux kernel, the following vulnerability has been resolved: s390/debug: Fix deadlock during unregister Unregistering an s390dbf debug area while one of the associated debugfs files is being written to can cause a deadlock: $ echo .../vmur/level $ rmmod vmur...

EUVD-2026-81803

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF in bpftrampolinemultiattachfree on update failure When bpftrampolineupdate fails before modifyfentrymulti/ unregisterfentrymulti is called, curimage is unchanged curimage == oldimage and ftrace still calls into it...

EUVD-2026-81802

In the Linux kernel, the following vulnerability has been resolved: s390/debug: Fix deadlock during unregister Unregistering an s390dbf debug area while one of the associated debugfs files is being written to can cause a deadlock: $ echo .../vmur/level $ rmmod vmur...

CVE-2026-90210 bpf: Fix UAF in bpf_trampoline_multi_attach_free on update failure

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF in bpftrampolinemultiattachfree on update failure When bpftrampolineupdate fails before modifyfentrymulti/ unregisterfentrymulti is called, curimage is unchanged curimage == oldimage and ftrace still calls into it...

CVE-2026-90209 s390/debug: Fix deadlock during unregister

In the Linux kernel, the following vulnerability has been resolved: s390/debug: Fix deadlock during unregister Unregistering an s390dbf debug area while one of the associated debugfs files is being written to can cause a deadlock: $ echo .../vmur/level $ rmmod vmur...

CVE-2026-90210 bpf: Fix UAF in bpf_trampoline_multi_attach_free on update failure

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF in bpftrampolinemultiattachfree on update failure When bpftrampolineupdate fails before modifyfentrymulti/ unregisterfentrymulti is called, curimage is unchanged curimage == oldimage and ftrace still calls into it...

CVE-2026-90210

CVE-2026-90210 is a Use-After-Free (UAF) in the Linux kernel's BPF trampoline subsystem , specifically in bpf_trampoline_multi_attach_free. When bpf_trampoline_update() fails before modify_fentry_multi() or unregister_fentry_multi() is called, cur_image remains equal to old_image and ftrace conti...

CVE-2026-90210

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF in bpftrampolinemultiattachfree on update failure When bpftrampolineupdate fails before modifyfentrymulti/ unregisterfentrymulti is called, curimage is unchanged curimage == oldimage and ftrace still calls into it...

CVE-2026-90209

In the Linux kernel, the following vulnerability has been resolved: s390/debug: Fix deadlock during unregister Unregistering an s390dbf debug area while one of the associated debugfs files is being written to can cause a deadlock: $ echo .../vmur/level $ rmmod vmur...

CVE-2026-90209

CVE-2026-90209 affects the Linux kernel s390dbf debug subsystem . A deadlock occurs when a debug area is unregistered (e.g., via rmmod) while an associated debugfs file is simultaneously being written to. Both the unregister path (debug_unregister() → debugfs_remove() → waiting for debugfs_file_p...

EUVD-2026-81801

In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/samsungpwm: Switch to rawspinlockt type Samsung PWM timer might be used as a clock source on some legacy systems. When PREEMPTRT is enabled on ARM, regular spinlock is converted to a sleeping lock mutex-based,...

CVE-2026-90208 clocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type

In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/samsungpwm: Switch to rawspinlockt type Samsung PWM timer might be used as a clock source on some legacy systems. When PREEMPTRT is enabled on ARM, regular spinlock is converted to a sleeping lock mutex-based,...

CVE-2026-90208

In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/samsungpwm: Switch to rawspinlockt type Samsung PWM timer might be used as a clock source on some legacy systems. When PREEMPTRT is enabled on ARM, regular spinlock is converted to a sleeping lock mutex-based,...

CVE-2026-90208

CVE-2026-90208 affects the Linux kernel's Samsung PWM clocksource driver (clocksource/drivers/samsung_pwm). On legacy systems where the Samsung PWM timer serves as a clock source, the samsung_pwm_lock regular spinlock is converted to a sleeping (mutex-based) lock when PREEMPT_RT is enabled on ARM...

CVE-2026-90208 clocksource/drivers/samsung_pwm: Switch to raw_spinlock_t type

In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/samsungpwm: Switch to rawspinlockt type Samsung PWM timer might be used as a clock source on some legacy systems. When PREEMPTRT is enabled on ARM, regular spinlock is converted to a sleeping lock mutex-based,...

CVE-2026-90207

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize input teardown with eventinput sndmidiinputevent must not be running while a rawmidi substream is closing, since this can lead to the trigger state becoming out-of-step through this sequence in...

CVE-2026-90206

CVE-2026-90206 is a race condition in the Linux kernel's nvmet (NVM Express Target) subsystem. The function nvmet_alloc_ctrl() allocates queue memory based on the subsystem's current max_qid , but a concurrent write via configfs can increase max_qid before the new controller is added to the subsy...