kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice

A use-after-free UAF vulnerability, which also presents a potential infinite loop condition, has been resolved in the Linux kernel. This flaw affects the HFSC Hierarchical Fair Service Curve queuing discipline when it is used in conjunction with NETEM Network Emulation. A malicious user could...

btrfs: fix crash on racing fsync and size-extending write into prealloc

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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 lack of mutual exclusion protection in concurrent calls to asuswmiregisterdriver, which could lead to memo...

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 the nfsdautomount function not handling negative directory entries correctly, which could lead to a system crash...

PT-2025-38372

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.0-rc4 for upstream base 2022 11 10 16 12 1 Description A flaw exists in the Linux kernel's RDMA/mlx5 subsystem related to the handling of port numbers within the mlx5 ib get hw stats function. Specifically,...

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 insufficient multithreading support for DMA channels, which could lead to a system crash...

UBUNTU-CVE-2023-53322

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Wait for io return on terminate rport System crash due to use after free. Current code allows terminaterportio to exit before making sure all IOs has returned. For FCP-2 device, IO's can hang on in HW because drive...

kernel: net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done

A vulnerability was found in the Linux kernel's management of network namespaces. By manipulating the lifecycle of network namespaces, an attacker could exploit this vulnerability to cause a system crash or leak sensitive system memory. Exploitation of this vulnerability requires that a user has...

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 stems from a corrupted SKB in the REO target ring, which could lead to memory corruption and a system crash...

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 lack of synchronization mechanism between finalizepkvm and kvmarminit, which could lead to HYP mode...

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 the use of kmalloc to allocate buffers instead of contiguous pages, which could result in memory corruption ...

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 page extension mapping not being set correctly in the btrfscontexpand function, which could lead to an...

AZL-70813 CVE-2025-39746 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: shutdown driver when hardware is unreliable In rare cases, ath10k may lose connection with the PCIe bus due to some unknown reasons, which could further lead to system crashes during resuming due to watchdog timeout...

kernel: ext4: use-after-free in ext4_xattr_set_entry()

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw allows a privileged local user to cause a system crash or other undefined behaviors...

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 not properly handling a hardware unreliability condition, which could lead to a system crash...

kernel: ext4: use-after-free in ext4_xattr_set_entry()

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw allows a privileged local user to cause a system crash or other undefined behaviors...

kernel: ext4: use-after-free in ext4_xattr_set_entry()

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw allows a privileged local user to cause a system crash or other undefined behaviors...