Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent deadlock during ep0 read loop Currently, the ffsep0read function holds ffs-mutex when it prepares to go to sleep and wait for an event. When no setup events are pending, it calls...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: super: Fixed an emergency thaw deadlock on frozen block devices The dothawallcallback function calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen using bdevfreeze, releasing the last block-laye...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: slub: Avoid waking up kswapd in settrackprepare settrackprepare may cause lock recursion. The issue arises because it is called from hrtimerstartrangens, which holds percpuhrtimerbasesn.lock. However, when...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: rcu: Dump vmalloc memory info safely Currently, for double invoke callrcu, the memory information of rcuhead objects will be dumped. If these objects are not allocated from the slab allocator, vmallocdumpobj will be invoked, a...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fix for a use-after-free of the timer for the log writer thread This patch series, titled “nilfs2: Fix for log writer-related issues”, addresses three issues related to the nilfs2 log writer. These include a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: j1939: preventing deadlock by moving j1939skerrqueue This commit addresses a deadlock situation that can occur in certain scenarios, such as when running data TP/ETP transfers and subscribing to the error queue while...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed a deadlock caused by canceldelayedworksyn The following LOCKDEP was detected: Workqueue: events smclgrfreework smc WARNING: a circular locking dependency was detected...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fixed a deadlock in the “disable” sysfs attribute. The show and store callback routines for the “disable” sysfs attribute in port.c acquire the device lock for the port’s parent hub. This can cause problems if another...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211: Fixed a deadlock in the ieee80211stapsdeliverwakeup function. The ieee80211stapsdeliverwakeup function uses sta-pslock to synchronize with the ieee80211txhunicastpsbuf function, which is called from the softirq...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Do not hold the nilock lock when calling truncatesetsize. syzbot reports a hung task during the call to douseraddrfault 1. This occurs because there is a silent deadlock between the PGlocked bit and the nilock lock. Sin...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: i2c: pnx: Fixed a potential deadlock warning from the deltimersync call in isr. When deltimersync is called in an interrupt context, a warning is thrown due to a potential deadlock. The timer is only used to exit from...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel. A deadlock occurs when multiple session setup requests are sent simultaneously, which may lead to a denial of service...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvme-multipath: deferring partition scanning. We need to prevent the partition scanning from occurring within the controller’s scanwork context. If a path error occurs here, I/O will wait until a path becomes available or all pat...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fixed deadlock issue when using the NCM gadget The cdns3 driver suffers from the same deadlock issue as fixed in cdnsp with the commit 58f2fcb3a845 „usb: cdnsp: Fixed deadlock issue during use of the NCM gadget”. Unde...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: padata: Always disable BHs when running -parallel. A deadlock can occur when an overloaded system runs -parallel within the context of the current task. The code structure is as follows: c padatadoparallel -parallel...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A potential hang occurred in nilfsdetachlogwriter. Syzbot reported a potential hang during nilfsdetachlogwriter called when nilfs2 unmounts the file system. Analysis revealed that this issue arises because nilfssegctorsyn...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: Use memallocnofssave in pagecacheraorder. See commit f2c817bed58d “mm: Use memallocnofssave in readahead”, ensure that pagecacheraorder does not attempt to reclaim file-backed pages too often, as this can lead to a deadlock...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iavf: Fixed error handling for reset operations. Do not call iavfclose during error handling for iavfresettask. Doing so may lead to a double call to napidisable, which can cause a deadlock. Removing the VF may cause...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid double-rtnllock ELP metric worker The batadvvelpgetthroughput function might be called when the RTNL lock is already held. This could be problematic when the work queue item is cancelled using...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: clk: Obtain runtime PM information before traversing the tree to retrieve clksummary. Similar to the previous commit, we should ensure that all devices are resumed during runtime before printing the clksummary through debugfs...