CVE-2024-57885

CVE-2024-57885: In the Linux kernel, a kmemleak print operation could emit a "sleeping function called from invalid context" warning when /sys/kernel/debug/kmemleak is read under specific conditions (CONFIG_PREEMPT_RT=y, SELinux as LSM, kptr_restrict=1, kmemleak buffer non-empty). The issue arise...

PT-2026-2893

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.18.0 Description The Linux kernel contains an issue within the smc91x driver when built with PREEMPT RT. A broken interrupt request IRQ context occurs due to improper handling of IRQ disabling and restoration...

UBUNTU-CVE-2024-56610

In the Linux kernel, the following vulnerability has been resolved: kcsan: Turn reportfilterlistlock into a rawspinlock Ran Xiaokai reports that with a KCSAN-enabled PREEMPTRT kernel, we can see splats like: | BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:48 |...

CVE-2024-56610 kcsan: Turn report_filterlist_lock into a raw_spinlock

In the Linux kernel, the following vulnerability has been resolved: kcsan: Turn reportfilterlistlock into a rawspinlock Ran Xiaokai reports that with a KCSAN-enabled PREEMPTRT kernel, we can see splats like: | BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:48 |...

CVE-2024-56585 LoongArch: Fix sleeping in atomic context for PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix sleeping in atomic context for PREEMPTRT Commit bab1c299f3945ffe79 "LoongArch: Fix sleeping in atomic context in setuptlbhandler" changes the gfp flag from GFPKERNEL to GFPATOMIC for allocpagesnode. However, for...

CVE-2024-56585

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix sleeping in atomic context for PREEMPTRT Commit bab1c299f3945ffe79 "LoongArch: Fix sleeping in atomic context in setuptlbhandler" changes the gfp flag from GFPKERNEL to GFPATOMIC for allocpagesnode. However, for...

CVE-2024-56585 LoongArch: Fix sleeping in atomic context for PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix sleeping in atomic context for PREEMPTRT Commit bab1c299f3945ffe79 "LoongArch: Fix sleeping in atomic context in setuptlbhandler" changes the gfp flag from GFPKERNEL to GFPATOMIC for allocpagesnode. However, for...

PT-2025-9951

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue is related to the use of kmallocGFP ATOMIC in non-preemptible context in PREEMPT RT, which is not safe. The patch enforce...

PT-2024-36892

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description A vulnerability in the Linux kernel has been resolved, specifically related to the LoongArch architecture and PREEMPT RT kernels. The issue arises from the replacement of normal spinlocks with ...

PT-2025-3664

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description The issue is related to the Linux kernel, specifically with the riscv architecture. The problem arises when the die function is called in an exception handler, which cannot sleep. However, die...

AZL-53537 CVE-2024-50140 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: sched/core: Disable page allocation in tasktickmmcid With KASAN and PREEMPTRT enabled, calling taskworkadd in tasktickmmcid may cause the following splat. 63.696416 BUG: sleeping function called from invalid context at...

CVE-2024-50140 sched/core: Disable page allocation in task_tick_mm_cid()

In the Linux kernel, the following vulnerability has been resolved: sched/core: Disable page allocation in tasktickmmcid With KASAN and PREEMPTRT enabled, calling taskworkadd in tasktickmmcid may cause the following splat. 63.696416 BUG: sleeping function called from invalid context at...

PT-2024-35552

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.12.0-rc2+ Description The issue is related to the Linux kernel's KVM Kernel-based Virtual Machine component, specifically affecting LoongArch architecture. On PREEMPT RT enabled kernels, unmarked hrtimers are...

PT-2024-33972

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.61 Description: The issue arises when KASAN and PREEMPT RT are enabled, and task work add is called in task tick mm cid, potentially causing a sleeping function to be called from an invalid context. This...

kernel: tracing: Fix sleeping function called from invalid context on RT kernel

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix sleeping function called from invalid context on RT kernel When setting bootparams="traceevent=initcall:initcallstart tpprintk=1" in the cmdline, the outputprintk was called, and the spinlockirqsave was called in the...

PT-2024-8410

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the qbman component of the Linux kernel, where the smp call function always runs its callback in hard IRQ context, even on PREEMPT RT, where spinlocks can sleep...

PT-2025-18500

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability has been resolved in the Linux kernel. The issue is related to the x86/fpu component, where the fpregs lock is not properly dropped before inheriting FPU permissions. Thi...

PT-2025-8256

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.17.1-rt17+ Description A issue in the Linux kernel has been identified where a sleeping function is called from an invalid context on RT kernel. This occurs when setting specific boot parameters, including "tra...