CVE-2022-49018 mptcp: fix sleep in atomic at close time

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix sleep in atomic at close time Matt reported a splat at msk close time: BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877 inatomic: 1, irqsdisabled: 0, nonblock: 0, pid: 155, name:...

CVE-2022-48997 char: tpm: Protect tpm_pm_suspend with locks

In the Linux kernel, the following vulnerability has been resolved: char: tpm: Protect tpmpmsuspend with locks Currently tpm transactions are executed unconditionally in tpmpmsuspend function, which may lead to races with other tpm accessors in the system. Specifically, the hwrandom tpm driver...

CVE-2022-48997 char: tpm: Protect tpm_pm_suspend with locks

In the Linux kernel, the following vulnerability has been resolved: char: tpm: Protect tpmpmsuspend with locks Currently tpm transactions are executed unconditionally in tpmpmsuspend function, which may lead to races with other tpm accessors in the system. Specifically, the hwrandom tpm driver...

CVE-2024-50060 io_uring: check if we need to reschedule during overflow flush

In the Linux kernel, the following vulnerability has been resolved: iouring: check if we need to reschedule during overflow flush In terms of normal application usage, this list will always be empty. And if an application does overflow a bit, it'll have a few entries. However, nothing obviously...

CVE-2024-50060 io_uring: check if we need to reschedule during overflow flush

In the Linux kernel, the following vulnerability has been resolved: iouring: check if we need to reschedule during overflow flush In terms of normal application usage, this list will always be empty. And if an application does overflow a bit, it'll have a few entries. However, nothing obviously...

CVE-2024-50060

CVE-2024-50060 is documented in the IBM bulletin as a Linux kernel vulnerability fix for the io_uring subsystem. The issue involved the need to reschedule during overflow flush in io_uring handling. The described root cause notes that overflow entries can accumulate and flushing could take a long...

CVE-2024-47744

In the Linux kernel, the following vulnerability has been resolved: KVM: Use dedicated mutex to protect kvmusagecount to avoid deadlock Use a dedicated mutex to guard kvmusagecount to fix a potential deadlock on x86 due to a chain of locks and SRCU synchronizations. Translating the below lockdep...

DEBIAN-CVE-2024-47736

In the Linux kernel, the following vulnerability has been resolved: erofs: handle overlapped pclusters out of crafted images properly syzbot reported a task hang issue due to a deadlock case where it is waiting for the folio lock of a cached folio that will be used for cache I/Os. After looking...

CVE-2024-47744 KVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock

In the Linux kernel, the following vulnerability has been resolved: KVM: Use dedicated mutex to protect kvmusagecount to avoid deadlock Use a dedicated mutex to guard kvmusagecount to fix a potential deadlock on x86 due to a chain of locks and SRCU synchronizations. Translating the below lockdep...

CVE-2024-47744 KVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock

In the Linux kernel, the following vulnerability has been resolved: KVM: Use dedicated mutex to protect kvmusagecount to avoid deadlock Use a dedicated mutex to guard kvmusagecount to fix a potential deadlock on x86 due to a chain of locks and SRCU synchronizations. Translating the below lockdep...

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 an issue with access to uninitialized locks in the ext4 file system...

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 sockmap module not properly handling soft locks in the sockhashfree function...

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 fuse file system failing to use exclusive locks when FUSEICACHEIOMODE is set...

kernel: NFSv4: Don't hold the layoutget locks across multiple RPC calls

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Don't hold the layoutget locks across multiple RPC calls When doing layoutget as part of the open compound, we have to be careful to release the layout locks before we can call any further RPC calls, such as setattr. The...

kernel: filelock: Remove locks reliably when fcntl/close race is detected

In the Linux kernel, the following vulnerability has been resolved: filelock: Remove locks reliably when fcntl/close race is detected When fcntlsetlk races with close, it removes the created lock with dolockfilewait. However, LSMs can allow the first dolockfilewait that created the lock while...

kernel: filelock: Remove locks reliably when fcntl/close race is detected

In the Linux kernel, the following vulnerability has been resolved: filelock: Remove locks reliably when fcntl/close race is detected When fcntlsetlk races with close, it removes the created lock with dolockfilewait. However, LSMs can allow the first dolockfilewait that created the lock while...

The vulnerability of the fcntl_setlk() function in the Linux operating system allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the fcntlsetlk function in the fs/locks.c module of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

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 improper use of RCU locks...

Unspecified vulnerability in Linux kernel (CNVD-2024-39299)

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 bonding component incorrectly using spinlocks instead of mutual exclusion locks to protect the...

OESA-2024-2126 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Prevent use after free on completion memory On driver unload any pending descriptors are flushed at the time the interrupt is freed:...