CVE-2025-68744

In the Linux kernel, the following vulnerability has been resolved: bpf: Free special fields when update lru,percpuhash maps As lru,percpuhash maps support BPFKPTRREF,PERCPU, missing calls to 'bpfobjfreefields' in 'pcpucopyvalue' could cause the memory referenced by BPFKPTRREF,PERCPU fields to be...

CVE-2023-54160

In the Linux kernel, the following vulnerability has been resolved: firmware: armsdei: Fix sleep from invalid context BUG Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra triggers: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 0,...

CVE-2023-54090

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fix panic during XDPTX with 64 CPUs Commit 4fe815850bdc "ixgbe: let the xdpdrv work with more than 64 cpus" adds support to allow XDP programs to run on systems with more than 64 CPUs by locking the XDP TX rings and indexi...

UBUNTU-CVE-2022-50771

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix thiscpuread lockdep warning in rcuforcequiescentstate Running rcutorture with non-zero fqsduration module parameter in a kernel built with CONFIGPREEMPTION=y results in the following splat: BUG: using thiscpuread in...

CVE-2023-54160

In the Linux kernel, the following vulnerability has been resolved: firmware: armsdei: Fix sleep from invalid context BUG Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra triggers: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 0,...

UBUNTU-CVE-2023-54160

In the Linux kernel, the following vulnerability has been resolved: firmware: armsdei: Fix sleep from invalid context BUG Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra triggers: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 0,...

CVE-2023-54160

The CVE-2023-54160 entry corresponds to a Linux kernel vulnerability where firmware: arm_sdei triggered a sleep-from-invalid-context BUG on preempt-rt kernels (Ampere Altra). The crash is tied to cpuhp hotplug paths and SDEI callbacks executed with interrupts disabled, with reports that cpuhp_up ...

CVE-2023-54160 firmware: arm_sdei: Fix sleep from invalid context BUG

In the Linux kernel, the following vulnerability has been resolved: firmware: armsdei: Fix sleep from invalid context BUG Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra triggers: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 0,...

CVE-2023-54160 firmware: arm_sdei: Fix sleep from invalid context BUG

In the Linux kernel, the following vulnerability has been resolved: firmware: armsdei: Fix sleep from invalid context BUG Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra triggers: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 0,...

CVE-2023-54090 ixgbe: Fix panic during XDP_TX with > 64 CPUs

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fix panic during XDPTX with 64 CPUs Commit 4fe815850bdc "ixgbe: let the xdpdrv work with more than 64 cpus" adds support to allow XDP programs to run on systems with more than 64 CPUs by locking the XDP TX rings and indexi...

CVE-2023-54090 ixgbe: Fix panic during XDP_TX with > 64 CPUs

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fix panic during XDPTX with 64 CPUs Commit 4fe815850bdc "ixgbe: let the xdpdrv work with more than 64 cpus" adds support to allow XDP programs to run on systems with more than 64 CPUs by locking the XDP TX rings and indexi...

CVE-2022-50771

The CVE-2022-50771 entry describes a Linux kernel fix where rcu_force_quiescent_state() used __this_cpu_read() in preemptible code, incorrectly triggering a lockdep warning during rcutorture with CONFIG_PREEMPTION=y. The patch replaces __this_cpu_read() with raw_cpu_read() to correct the preempti...

CVE-2022-50771 rcu: Fix __this_cpu_read() lockdep warning in rcu_force_quiescent_state()

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix thiscpuread lockdep warning in rcuforcequiescentstate Running rcutorture with non-zero fqsduration module parameter in a kernel built with CONFIGPREEMPTION=y results in the following splat: BUG: using thiscpuread in...

CVE-2022-50771 rcu: Fix __this_cpu_read() lockdep warning in rcu_force_quiescent_state()

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix thiscpuread lockdep warning in rcuforcequiescentstate Running rcutorture with non-zero fqsduration module parameter in a kernel built with CONFIGPREEMPTION=y results in the following splat: BUG: using thiscpuread in...

CVE-2022-50761 x86/xen: Fix memory leak in xen_init_lock_cpu()

In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xeninitlockcpu In xeninitlockcpu, the @name has allocated new string by kasprintf, if bindipitoirqhandler fails, it should be freed, otherwise may lead to a memory leak issue, fix it...

UBUNTU-CVE-2025-68375

In the Linux kernel, the following vulnerability has been resolved: perf/x86: Fix NULL event access and potential PEBS record loss When intelpmudrainpebsicl is called to drain PEBS records, the perfeventoverflow could be called to process the last PEBS record. While perfeventoverflow could trigge...

UBUNTU-CVE-2023-54033

In the Linux kernel, the following vulnerability has been resolved: bpf: fix a memory leak in the LRU and LRUPERCPU hash maps The LRU and LRUPERCPU maps allocate a new element on update before locking the target hash table bucket. Right after that the maps try to lock the bucket. If this fails,...

CVE-2023-54008

In the Linux kernel, the following vulnerability has been resolved: virtiovdpa: build affinity masks conditionally We try to build affinity mask via createaffinitymasks unconditionally which may lead several issues: - the affinity mask is not used for parent without affinity support only VDUSE...

CVE-2023-54033 bpf: fix a memory leak in the LRU and LRU_PERCPU hash maps

In the Linux kernel, the following vulnerability has been resolved: bpf: fix a memory leak in the LRU and LRUPERCPU hash maps The LRU and LRUPERCPU maps allocate a new element on update before locking the target hash table bucket. Right after that the maps try to lock the bucket. If this fails,...

CVE-2023-54008

CVE-2023-54008 affects the Linux kernel virtio_vdpa path where affinity masks are built unconditionally via create_affinity_masks(). The issue arises from potentially incorrect affinity handling when CPUs, groups, or devices (e.g., networking) exceed available CPUs, triggering a warning in group_...