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 vibrating work queue null pointer dereference that could lead to accessing a freed queue after a device is...

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 queuing only chained jobs when the HCI work queue is empty...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-28956: x86/ibt: Keep IBT disabled during alternative patching bsc1242006. CVE-2024-35840: mptcp: use OPTIONMPTCPMPJSYNACK in subflowfinishconnect bsc122459...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: workqueue: Place the pwq after detaching the rescuer from the pool. The commit 68f83057b913 "workqueue: Reap workers via kthreadstop and remove detachcompletion" adds code to reapply the benefits to normal workers. However, it...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed NULL pointer dereference in the KFD queue. Through KFD IOCTL fuzing, we encountered a NULL pointer dereference when calling kfdqueueacquirebuffers. Cherry-picked from commit 049e5bf3c8406f87c3d8e1958e0a16804fa1d...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: pdscore: Make “waitcontext” a full part of the “qinfo” structure, rather than a stack variable that disappears after “pdscadminqpost” is executed. This ensures that the context is still available after the “wait” loop has ended...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ublk: Make sure that ubq-canceling is set when the queue is frozen. Now, the ublk driver relies on ubq-canceling to determine whether a request can be dispatched via uringcmd and iouringcmdcompleteintask. Once ubq-canceling is se...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: fmidi: fmidicomplete calling queuework When using USB MIDI, a lock attempt is made twice through a reentrant call to fmiditransmit, resulting in a deadlock. The issue is fixed by using queuework to schedule the inner...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Media: Venus: HFI – Add a check to handle incorrect queue size. qsize represents the size of the shared queue between the driver and the firmware. The firmware can modify this value to an invalid, large value. In such situations,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: schhfsc: The bug related to qlen accounting was fixed when using peek in hfscenqueue. When enqueuing the first packet to an HFSC class, hfscenqueue calls the peek operation of the child qdisc before incrementing sch-q.qlen and...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Added a NULL check in ufshcdmcqcomplpendingtransfer. Also added a NULL check for the returned hwq pointer by ufshcdmcqreqtohwq. This is similar to the fix in commit 74736103fb41 “scsi: ufs: core: Fix ufs abort ra...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: codel: The check sch-q.qlen was removed before the call to qdisctreereducebacklog. After ensuring that all calls to -qlennotify are idempotent, it is now safe to remove the check for qlen!=0 from both fqcodeldequeue and...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Ice: Fixed error handling in the Tx scheduler during the XDP callback. When the XDP program is loaded, the XDP callback adds new Tx queues. This means that the callback must update the Tx scheduler with the new queue numbers. In...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: nvkm: The available space of the GSP cmdq buffer is calculated correctly. r535gspcmdqpush waits for an available page in the GSP cmdq buffer when handling a large RPC request. When it encounters at least one available page in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: watchqueue: fix pipe accounting mismatch Currently, watchqueuesetsize modifies the pipe buffers allocated to user-pipebufs, without updating the pipe-nraccounted value on the pipe itself. This occurs due to the if...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: The value of sccount is decreased directly if the dlrecall queue operation fails. A deadlock warning occurred when invoking nfs4putstid after a failed dlrecall queue operation: T1 T2 nfs4laundromat nfs4getclientreaplist...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Wifi: wl1251 – Fixed a memory leak in wl1251txwork. The skb queued for transmission to txqueue is lost when the wl1251pselpwakeup function fails with an -ETIMEDOUT error. This issue has been fixed by re-queuing the skb back into...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Synchronous access between the reset thread and the TM thread for reply queues. When the task management thread processes reply queues while the reset thread resets them, the task management thread accesses an inval...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: amdkfd: The gangctxbo memory object is properly freed when attempting to initialize the user queue. The destructor of the gtt bo is declared as: void amdgpuamdkfdfreegttmemstruct amdgpudevice adev, void memobj; This function take...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Block: Fixed resource leak in the blkmqsysfsregister error path. When registration of a queue fails after blkmqsysfsregister is successful, but the function later encounters an error, we need to clean up the blkmqsysfs resources...