CVE-2023-53591 net/mlx5e: Fix deadlock in tc route query code

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix deadlock in tc route query code Cited commit causes ABBA deadlock0 when peer flows are created while holding the devcom rw semaphore. Due to peer flows offload implementation the lock is taken much higher up the ca...

CVE-2023-53581 net/mlx5e: Check for NOT_READY flag state after locking

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Check for NOTREADY flag state after locking Currently the check for NOTREADY flag is performed before obtaining the necessary lock. This opens a possibility for race condition when the flow is concurrently removed from...

CVE-2023-53580

CVE-2023-53580 affects the Linux kernel USB gadget core, where the gadget_unbind_driver() path could deadlock with usb_gadget_deactivate() when a UVC gadget driver is removed. The root cause is that gadget_unbind_driver() held udc->connect_lock while invoking the driver’s unbind(), while usb_g...

CVE-2023-53580 USB: Gadget: core: Help prevent panic during UVC unconfigure

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: core: Help prevent panic during UVC unconfigure Avichal Rakesh reported a kernel panic that occurred when the UVC gadget driver was removed from a gadget's configuration. The panic involves a somewhat complicated...

CVE-2023-53581 net/mlx5e: Check for NOT_READY flag state after locking

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Check for NOTREADY flag state after locking Currently the check for NOTREADY flag is performed before obtaining the necessary lock. This opens a possibility for race condition when the flow is concurrently removed from...

CVE-2022-50498 eth: alx: take rtnl_lock on resume

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnllock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c 2891 RIP: 0010:netifsetrealnumtxqueues+0x1ac/0x1c0 Call Trace: alxopen+0x230/0x570 alx...

CVE-2022-50498

CVE-2022-50498 : In the Linux kernel, the alx ethernet driver vulnerability stems from not taking the rtnl_lock during resume, allowing an rtnl assertion to trip in net/core/dev.c when reopening on resume. The issue is localized to the alx driver’s suspend/resume path and is triggered during devi...

CVE-2022-50498 eth: alx: take rtnl_lock on resume

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnllock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c 2891 RIP: 0010:netifsetrealnumtxqueues+0x1ac/0x1c0 Call Trace: alxopen+0x230/0x570 alx...

CVE-2022-50490 bpf: Propagate error from htab_lock_bucket() to userspace

In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from htablockbucket to userspace In htabmaplookupanddeletebatch if htablockbucket returns -EBUSY, it will go to next bucket. Going to next bucket may not only skip the elements in current bucket silently, but...

CVE-2022-50490 bpf: Propagate error from htab_lock_bucket() to userspace

In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from htablockbucket to userspace In htabmaplookupanddeletebatch if htablockbucket returns -EBUSY, it will go to next bucket. Going to next bucket may not only skip the elements in current bucket silently, but...

CVE-2023-53558

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Avoid prinfo with spin lock in cblistinitgeneric prinfo is called with rtp-cbsgbllock spin lock locked. Because prinfo calls printk that might sleep, this will result in BUG like below: 0.206455 cblistinitgeneric:...

CVE-2023-53558 rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Avoid prinfo with spin lock in cblistinitgeneric prinfo is called with rtp-cbsgbllock spin lock locked. Because prinfo calls printk that might sleep, this will result in BUG like below: 0.206455 cblistinitgeneric:...

CVE-2023-53558

CVE-2023-53558 affects the Linux kernel. Details from the initial document show a bug in rcu-tasks: pr_info() was called while holding rtp->cbs_gbl_lock, which could sleep and trigger a BUG; the vulnerability is resolved by moving pr_info() so it runs without the lock. The patch is described a...

CVE-2023-53558 rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Avoid prinfo with spin lock in cblistinitgeneric prinfo is called with rtp-cbsgbllock spin lock locked. Because prinfo calls printk that might sleep, this will result in BUG like below: 0.206455 cblistinitgeneric:...

CVE-2023-53549

CVE-2023-53549 is a Linux kernel vulnerability affecting netfilter ipset long task execution when adding/deleting large numbers of elements in one step. The issue arose because a prior patch to limit batch size was insufficient, risking hung tasks. The fix reworks the batching by saving state and...

CVE-2025-39941

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot write race condition Parallel concurrent writes to the same zram index result in leaked zsmalloc handles. Schematically we can have something like this: CPU0 CPU1 zramslotlock zsfreehandle zramslotlock zramslotlock...

CVE-2025-39941

CVE-2025-39941 relates to the Linux kernel zram subsystem. The vulnerability arises from a race in slot write handling where parallel writes to the same zram index can leak zsmalloc handles because zs_free() is executed too early. The documented fix is to reset the zram entry and assign the new h...

CVE-2025-39941 zram: fix slot write race condition

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot write race condition Parallel concurrent writes to the same zram index result in leaked zsmalloc handles. Schematically we can have something like this: CPU0 CPU1 zramslotlock zsfreehandle zramslotlock zramslotlock...

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 improper propagation of the htablockbucket error, which could lead to out-of-bounds memory accesses or kerne...

PT-2025-40777

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to a race condition involving Virtual Memory Area VMA iteration and the teardown of the mm struct. Specifically, the issue occurs during the exi...