UBUNTU-CVE-2023-53331

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Check start of empty przs during init After commit 30696378f68a "pstore/ram: Do not treat empty buffers as valid", initialization would assume a prz was valid after seeing that the buffersize is zero regardless of the...

CVE-2023-53331

Summary (CVE-2023-53331) : In the Linux kernel, the pstore/ram path could treat an empty prz as valid during init, allowing a start value equal to zero to bypass bounds checks and trigger out-of-bounds writes, potentially causing panics in multiple code paths (e.g., sysdump_panic_event, panic, do...

CVE-2023-53331 pstore/ram: Check start of empty przs during init

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Check start of empty przs during init After commit 30696378f68a "pstore/ram: Do not treat empty buffers as valid", initialization would assume a prz was valid after seeing that the buffersize is zero regardless of the...

CVE-2023-53331 pstore/ram: Check start of empty przs during init

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Check start of empty przs during init After commit 30696378f68a "pstore/ram: Do not treat empty buffers as valid", initialization would assume a prz was valid after seeing that the buffersize is zero regardless of the...

CVE-2023-53315

CVE-2023-53315 pertains to the Linux kernel WiFi driver ath11k, where a long-running traffic load could receive an RX descriptor with value 0 in the REO destination ring. This invalid descriptor could cause the IDR lookup to fetch the wrong SKB (SKB indexed by buffer id 0), leading to SKB memory ...

CVE-2023-53315 wifi: ath11k: Fix SKB corruption in REO destination ring

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Fix SKB corruption in REO destination ring While running traffics for a long time, randomly an RX descriptor filled with value "0" from REO destination ring is received. This descriptor which is invalid causes the...

CVE-2023-53315 wifi: ath11k: Fix SKB corruption in REO destination ring

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Fix SKB corruption in REO destination ring While running traffics for a long time, randomly an RX descriptor filled with value "0" from REO destination ring is received. This descriptor which is invalid causes the...

CVE-2023-53312 net: fix net_dev_start_xmit trace event vs skb_transport_offset()

In the Linux kernel, the following vulnerability has been resolved: net: fix netdevstartxmit trace event vs skbtransportoffset After blamed commit, we must be more careful about using skbtransportoffset, as reminded us by syzbot: WARNING: CPU: 0 PID: 10 at include/linux/skbuff.h:2868...

CVE-2022-50344

CVE-2022-50344 - Linux kernel ext4 null-ptr-deref Affects: Linux kernel ext4 subsystem (ext4_write_info) in quota handling during umount/shutdown paths. Root cause: A null pointer dereference can occur in ext4_write_info when the superblock root inode is no longer valid during unmount, leading to...

AZL-71209 CVE-2025-39829 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: trace/fgraph: Fix the warning caused by missing unregister notifier This warning was triggered during testing on v6.16: notifier callback ftracesuspendnotifiercall already registered WARNING: CPU: 2 PID: 86 at kernel/notifier.c:2...

CVE-2025-39829

In the Linux kernel, the following vulnerability has been resolved: trace/fgraph: Fix the warning caused by missing unregister notifier This warning was triggered during testing on v6.16: notifier callback ftracesuspendnotifiercall already registered WARNING: CPU: 2 PID: 86 at kernel/notifier.c:2...

DEBIAN-CVE-2025-39829

In the Linux kernel, the following vulnerability has been resolved: trace/fgraph: Fix the warning caused by missing unregister notifier This warning was triggered during testing on v6.16: notifier callback ftracesuspendnotifiercall already registered WARNING: CPU: 2 PID: 86 at kernel/notifier.c:2...

CVE-2025-39829

CVE-2025-39829 is a Linux kernel issue in the trace/fgraph path. The vulnerability arises from a notifier that is not unregistered after a failed start_graph_tracing, causing a repeated warning when writing to function_profile_enabled. The connected Nessus entries confirm the concrete details: th...

CVE-2025-39829 trace/fgraph: Fix the warning caused by missing unregister notifier

In the Linux kernel, the following vulnerability has been resolved: trace/fgraph: Fix the warning caused by missing unregister notifier This warning was triggered during testing on v6.16: notifier callback ftracesuspendnotifiercall already registered WARNING: CPU: 2 PID: 86 at kernel/notifier.c:2...

CVE-2025-39821

CVE-2025-39821 (Linux kernel perf - UBSAN risk) The issue is a logic flaw in perf event throttling where a group’s disabled member in PERF_EVENT_STATE_OFF could be throttle-started/stoppped, causing PMU drivers to receive an event with hw.idx = -1. This negative index is used as a shift exponent ...

CVE-2025-39821 perf: Avoid undefined behavior from stopping/starting inactive events

In the Linux kernel, the following vulnerability has been resolved: perf: Avoid undefined behavior from stopping/starting inactive events Calling pmu-start/stop on perf events in PERFEVENTSTATEOFF can leave event-hw.idx at -1. When PMU drivers later attempt to use this negative index as a shift...

UBUNTU-CVE-2023-53280

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Remove unused nvmelswaitq wait queue System crash when qla2x00startspsp returns error code EGAIN and wakeup gets called for uninitialized wait queue sp-nvmelswaitq. qla2xxx 0000:37:00.1-2121:5: Returning existing...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates from not properly handling the state of an event when performing a stop or start operation on an inactive...

PT-2025-38013

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A null-pointer dereference issue was identified in the ext4 filesystem within the Linux kernel. The vulnerability occurs during the ext4 write info function, potentially triggered duri...

PT-2025-37966

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw where calling pmu-start/stop on perf events in PERF EVENT STATE OFF can lead to undefined behavior. This occurs when event-hw.idx is at -1, and PMU...