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 reportfilterlistlock non-primitive spinlock in the kcsan module that could lead to a sleep in the real-tim...

CVE-2024-56610: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: kcsan: Turn reportfilterlistlock into a rawspinlock Ran Xiaokai reports that with a KCSAN-enabled PREEMPTRT kernel, we can see splats like: | BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:48 |...

CVE-2024-53160

In the Linux kernel, the following vulnerability has been resolved: rcu/kvfree: Fix data-race in modtimer / kvfreecallrcu KCSAN reports a data race when access the krcp-monitorwork.timer.expires variable in the scheduledelayedmonitorwork function: BUG: KCSAN: data-race in modtimer / kvfreecallrcu...

CVE-2024-53160 rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu

In the Linux kernel, the following vulnerability has been resolved: rcu/kvfree: Fix data-race in modtimer / kvfreecallrcu KCSAN reports a data race when access the krcp-monitorwork.timer.expires variable in the scheduledelayedmonitorwork function: BUG: KCSAN: data-race in modtimer / kvfreecallrcu...

CVE-2024-53160 rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu

In the Linux kernel, the following vulnerability has been resolved: rcu/kvfree: Fix data-race in modtimer / kvfreecallrcu KCSAN reports a data race when access the krcp-monitorwork.timer.expires variable in the scheduledelayedmonitorwork function: BUG: KCSAN: data-race in modtimer / kvfreecallrcu...

PT-2024-36918

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description A vulnerability in the Linux kernel has been resolved. The issue is related to the KCSAN reporting logic, which checks if it should filter a report on a detected data race. The report filterlis...

DEBIAN-CVE-2024-46704

In the Linux kernel, the following vulnerability has been resolved: workqueue: Fix spruious data race in flushwork When flushing a work item for cancellation, flushwork knows that it exclusively owns the work item through its PENDING bit. 134874e2eee9 "workqueue: Allow cancelworksync and...

CVE-2024-46704 workqueue: Fix spruious data race in __flush_work()

In the Linux kernel, the following vulnerability has been resolved: workqueue: Fix spruious data race in flushwork When flushing a work item for cancellation, flushwork knows that it exclusively owns the work item through its PENDING bit. 134874e2eee9 "workqueue: Allow cancelworksync and...

CVE-2024-46704: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: workqueue: Fix spruious data race in flushwork When flushing a work item for cancellation, flushwork knows that it exclusively owns the work item through its PENDING bit. 134874e2eee9 "workqueue: Allow cancelworksync and...

kernel: af_unix: Fix data races in unix_release_sock/unix_stream_sendmsg

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix data races in unixreleasesock/unixstreamsendmsg A data-race condition has been identified in afunix. In one data path, the write function unixreleasesock atomically writes to sk-skshutdown using WRITEONCE. However, on...

CVE-2024-41005

In the Linux kernel, the following vulnerability has been resolved: netpoll: Fix race condition in netpollowneractive KCSAN detected a race condition in netpoll: BUG: KCSAN: data-race in netrxaction / netpollsendskb write marked to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10: netrxaction...

CVE-2024-40953

In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on lastboostedvcpu in kvmvcpuonspin Use READ,WRITEONCE to access kvm-lastboostedvcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's...

SUSE CVE-2024-39508

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: Use setbit and testbit at worker-flags Utilize setbit and testbit on worker-flags within iouring/io-wq to address potential data races. The structure ioworker-flags may be accessed through various data paths, leadi...

CVE-2024-39508

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: Use setbit and testbit at worker-flags Utilize setbit and testbit on worker-flags within iouring/io-wq to address potential data races. The structure ioworker-flags may be accessed through various data paths, leadi...

CVE-2024-41005

In the Linux kernel, the following vulnerability has been resolved: netpoll: Fix race condition in netpollowneractive KCSAN detected a race condition in netpoll: BUG: KCSAN: data-race in netrxaction / netpollsendskb write marked to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10: netrxaction...

CVE-2024-41005 netpoll: Fix race condition in netpoll_owner_active

In the Linux kernel, the following vulnerability has been resolved: netpoll: Fix race condition in netpollowneractive KCSAN detected a race condition in netpoll: BUG: KCSAN: data-race in netrxaction / netpollsendskb write marked to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10: netrxaction...

CVE-2024-41005

CVE-2024-41005 involves a race in the Linux kernel netpoll code. The issue stems from netpoll_owner_active reading napi->poll_owner non-atomically to determine lock ownership, allowing a data race between net_rx_action and netpoll_send_skb. The fix replaces the non-atomic check with an atomic ...

CVE-2024-41005

In the Linux kernel, the following vulnerability has been resolved: netpoll: Fix race condition in netpollowneractive KCSAN detected a race condition in netpoll: BUG: KCSAN: data-race in netrxaction / netpollsendskb write marked to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10: netrxaction...

CVE-2024-39508 io_uring/io-wq: Use set_bit() and test_bit() at worker->flags

In the Linux kernel, the following vulnerability has been resolved: iouring/io-wq: Use setbit and testbit at worker-flags Utilize setbit and testbit on worker-flags within iouring/io-wq to address potential data races. The structure ioworker-flags may be accessed through various data paths, leadi...

CVE-2024-39508

CVE-2024-39508 affects the Linux kernel io-uring I/O-queue (io-wq) by a data race on io_worker->flags. The issue, exposed under KCSAN as a race between io_worker_handle_work and io_wq_activate_free_worker, arises from concurrent reads/writes to that flags field across multiple code paths. The ...