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: accel/amdxdna: Fixed a runtime suspension deadlock that occurred when there was a pending job. The runtime suspension callback drains the running job’s workqueue before suspending the device. If a job is still executing and calls...

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 vulnerabilities have been resolved: - xfs: scrub: Unlock dquot before an early return in quota scrub. - xchkquotaitem: Can return early after calling xchkfblockprocesserror. If this helper returns false, the function returns immediately without dropping dq-qqloc...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: The release path occurs before igetfailed in btrfsreadlocked inode. In btrfsreadlocked inode, if we fail to look up the inode, we jump to the ‘out’ label with a path that has a read-locked leaf. Then, we call igetfailed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath12k – Fixed deadlock during the flushing of management frames The commit 1 converted the management transmission work item into a wiphy work item. Since a wiphy work item can only run under wiphy lock protection, a race...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rustbinder: The spinlock call in rustshrinkfreepage has been removed. When porting Rust Binder to version 6.18, I overlooked including the commit fb56fdf8b9a2 “mm/listlru: split the lock to per-cgroup scope” in the consideration...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: acpipowermeter Fixed deadlocks related to acpipowermeternotify The .notify callback function of the acpipowermeter driver, acpipowermeternotify, calls hwmondeviceunregister under a lock that is also acquired by callbacks i...

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: btrfs: Lock the inode in shared mode before starting fiemap. Currently, fiemap does not lock the inode itself VFS lock; instead, it only locks a file range within the inode’s io tree. However, this can lead to a deadlock if there...

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: drm/amdkfd: A deadlock occurs when the svm range restore operation is performed at process exit. The code kfdprocessnotifierrelease flushes svmrangerestorework, which in turn calls svmrangelistlockandflushwork to flush...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the net, neigh module, do not trigger immediate probes on NUDFAILED from neighmanagedwork. The syzkaller was able to trigger a deadlock for NTFMANAGED entries: - kworker/0:16/14617 is trying to acquire a lock: fffffffff8d4dd37...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm: vmscan: removed deadlock caused by throttling failing to progress. A soft lockup bug in kcompactd was reported in a private bugzilla. The following messages were observed in dmesg: watchdog: BUG: soft lockup – CPU33 stuck...

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: 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: 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 vulnerability has been resolved: btrfs: Fixed a deadlock that occurs during concurrent direct IO writes when there is limited free data space. When reserving data space for direct IO writes, a deadlock can occur if multiple tasks attempt to write to the same fil...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: In the zone operation, the code must traverse devices under the chunkmutex in btrfscanactivatezone. The btrfscanactivatezone function can be called with the devicelistmutex already held, which could lead to a deadlock. ...

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...