USN-7774-4 linux-kvm vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

CVE-2022-50422

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix use-after-free bug in smpexecutetasksg When executing SMP task failed, the smpexecutetasksg calls deltimer to delete "slowtask-timer". However, if the timer handler sastaskinternaltimedout is running, the deltim...

UBUNTU-CVE-2022-50422

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix use-after-free bug in smpexecutetasksg When executing SMP task failed, the smpexecutetasksg calls deltimer to delete "slowtask-timer". However, if the timer handler sastaskinternaltimedout is running, the deltim...

CVE-2022-50422

CVE-2022-50422 affects the Linux kernel’s SCSI LIBSAS path. When SMP task execution fails, smp_execute_task_sg() calls del_timer() to remove slow_task->timer, but if sas_task_internal_timedout() is running, the timer isn’t stopped, causing a use-after-free of task->slow_task. The fix is to ...

CVE-2022-50422 scsi: libsas: Fix use-after-free bug in smp_execute_task_sg()

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix use-after-free bug in smpexecutetasksg When executing SMP task failed, the smpexecutetasksg calls deltimer to delete "slowtask-timer". However, if the timer handler sastaskinternaltimedout is running, the deltim...

CVE-2022-50422 scsi: libsas: Fix use-after-free bug in smp_execute_task_sg()

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix use-after-free bug in smpexecutetasksg When executing SMP task failed, the smpexecutetasksg calls deltimer to delete "slowtask-timer". However, if the timer handler sastaskinternaltimedout is running, the deltim...

USN-7775-3 linux-azure-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

CVE-2025-39900

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y syzbot reported a WARNING in esttimer 1 Problem here is that with CONFIGPREEMPTRT=y, timer callbacks can be preempted. Adopt preemptdisablenested/preemptenablenested to fi...

UBUNTU-CVE-2025-39900

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y syzbot reported a WARNING in esttimer 1 Problem here is that with CONFIGPREEMPTRT=y, timer callbacks can be preempted. Adopt preemptdisablenested/preemptenablenested to fi...

CVE-2025-39900 net_sched: gen_estimator: fix est_timer() vs CONFIG_PREEMPT_RT=y

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y syzbot reported a WARNING in esttimer 1 Problem here is that with CONFIGPREEMPTRT=y, timer callbacks can be preempted. Adopt preemptdisablenested/preemptenablenested to fi...

CVE-2025-39900

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y syzbot reported a WARNING in esttimer 1 Problem here is that with CONFIGPREEMPTRT=y, timer callbacks can be preempted. Adopt preemptdisablenested/preemptenablenested to fi...

CVE-2025-39900 net_sched: gen_estimator: fix est_timer() vs CONFIG_PREEMPT_RT=y

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y syzbot reported a WARNING in esttimer 1 Problem here is that with CONFIGPREEMPTRT=y, timer callbacks can be preempted. Adopt preemptdisablenested/preemptenablenested to fi...

PT-2025-40107

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the libsas component of the Linux kernel, specifically within the smp execute task sg function. This occurs when an SMP task execution fails, and the del...

PT-2025-40074

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the net sched subsystem, specifically in the est timer function when CONFIG PREEMPT RT is enabled. This configuration can lead to preemption of...

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 stems from a failure to use a synchronization mechanism when deleting timers in the smpexecutetasksg function, which...

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 Linux kernel that stems from a race condition between the esttimer and CONFIGPREEMPTRT configurations, which could result in a null pointer...

The vulnerability in the core/timer.c component of the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the core/timer.c component in the Linux operating system is related to insufficient locking mechanisms. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2025-8200

The Mega Elements – Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Countdown Timer widget in all versions up to, and including, 1.3.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it...

CVE-2025-8200

The Mega Elements – Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Countdown Timer widget in all versions up to, and including, 1.3.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it...

CVE-2025-8200

CVE-2025-8200 affects Mega Elements – Addons for Elementor (WordPress): Stored Cross-Site Scripting via the Countdown Timer widget in all versions up to 1.3.2, caused by insufficient input sanitization and output escaping on user-supplied attributes. Exploitation requires at least contributor-lev...