Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Drivers: Staging: rtl8192eu: Fixed a deadlock in rtwjoinbsseventprehandle. There is a deadlock in rtwjoinbsseventprehandle, as shown below: Thread 1 | Thread 2 | settimer rtwjoinbsseventprehandle | modtimer spinlockbh //1 | Wait...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: schedext: The deadlock caused by SCXKICKWAIT was fixed by deferring the wait until the target CPU’s kickSYNC progresses. The busy-waiting mechanism in kickcpusirqworkfn uses smpCondLoadAcquire until the target CPU’s kickSYNC...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fixed deadlock issues during suspend and resume operations. When an application sends a query IOCTL while auto suspend is in progress, a deadlock can occur. The query process first acquires devlock, then calls...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ntfs3: fixed a circular locking dependency in rununpackex. Syzbot reported a circular locking dependency between wnd-rwlock sbi-used.bitmap and ni-file.runlock. The deadlock scenario is as follows: 1. ntfsextendmft acquires...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a deadlock in l2capconndel. The l2capconndel function calls canceldelayedworksync for both infotimer and idaddrtimer while holding conn-lock. However, the functions l2capinfotimeout and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Revert “f2fs: block cache/dio write during f2fsenablecheckpoint”. This revert commits 196c81fdd438f7ac429d5639090a9816abb9760a. The original patch might cause a deadlock; revert it. write remount - writebegin - lockpage --- lock ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fortify the spinlock against deadlock by interrupt In the function ieee80211txdequeue, there is a specific locking sequence: begin: spinlock&local-queuestopreasonlock; qstopped = local-queuestopreasonsq;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: ufs: core: mcq: Fix for the deadlock issue caused by &hwq-cqlock When the ufscdhandler function is executed, the CQ event interrupt may enter a waiting state for the same lock. This can occur in ufscdhandlemcqcqevents an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed a deadlock issue during reading mqd from debugfs An erroneous disk backup on my desktop entered the debugfs directory, triggering the following deadlock scenario in the amdgpu debugfs files. The machine also...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - Block: Fixed the issue where queues could freeze, compared to the lock order in sysfs store methods. The queueattrstore method always freezes a device queue before calling the attribute store operation. For attributes that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ice: Fix for locking during Tx timestamp tracking cleanup Commit 4dd0d5c33c3e “ice: Add locking around Tx timestamp tracker cleanup” added a lock around the Tx timestamp tracker process, which is used to clean up any remaining SK...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mac80211: Fixed a deadlock issue in AP/VLAN handling. Syzbot reports that when APVLAN interfaces are active, closing the AP interface they belong to can lead to a deadlock. This isn’t surprising—since we use devclose to handle...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix the reference leak The commit 20d72b00ca81 “netfs: Fix the request’s work item to not require a ref” modifies the netfsallocrequest function to initialize the reference counter to 2 instead of 1. The rationale is that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: The block operation involving GFPNOIO around the sysfs-store function. The sysfs-store function is called with the queue frozen. Meanwhile, there are several -store callbacks such as updatenrrequests, wbt, scheduler that use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ice: Fixed a race condition during the interface enslavement process. The commit 5dbbbd01cbba83 “ice: Avoiding RTNL lock when recreating auxiliary devices” modifies the process of recreating auxiliary devices. As a result, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘media: v4l2-ctrls: show all owned controls in logstatus’”. This change is reflected in commit 9801b5b28c6929139d6fceeee8d739cc67bb2739. This patch introduced a potential deadlock scenario: Wed May 8 10:02:06 2024 Possibl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Only use reserved BCS instances for the usmmigrateexecqueue. The GuC context scheduling queue contains 2 entries. Therefore, it is possible for a migration job to get stuck behind a fault if the migrateexecqueue shares...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Failure in bpftimercancel when the callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls will wait for the other callback to complete executio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fixed a deadlock during uvcprobe If uvcprobe fails, it may end up calling uvcstatusunregister before uvcstatusinit is called. This issue was fixed by checking whether dev-status is NULL during uvcstatusunregister...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mwifiex: The link must be brought down before the interface is deleted. We can encounter a deadlock situation when using rmmod to remove a driver or during firmware reset. This is because the cfg80211unregisterwdev function mu...