Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the gpio: omap section, it is not necessary to register the driver within the probe function. Commit 11a78b794496 “ARM: OMAP: MPUIO wake updates” registers the omapmpuiodriver from the omapmpuioinit function, which is called...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: octeontx2-af: Workarounds for stalls caused by disabling sticky operations. It is known that the sticky mode of the NIX SQ manager can cause stalls when multiple SQs share an SMQ and transmit concurrently. Additionally, PSE ma...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to avoid potential deadlocks. The function f2fstrylockop was used in f2fswritecompressedpages to prevent potential deadlocks, just as we did in f2fswritesingledatapage...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Fix for a possible deadlock when holding Fwb to get inlinedata 1. Mount with wsync. 2. Create a file with ORDWR, and the request is sent to mds.0: cephatomicopen -- cephmdscdorequestopenc finishopenfile, dentry, cephopen --...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not set the encryption key during the jbd2 transaction. A commit labeled “a80f7fcf1867” “ext4: fixup ext4fctrack functions’ signature” extended the scope of the transaction in ext4unlink too far, causing it to include a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a deadlock that occurred when cloning inline extents and using qgroups. There are a few exceptional cases where cloning an inline extent requires copying the inline extent data into a page of the destination inode...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The can: mcp251x device has a bug where a deadlock can occur in the error path of the mcp251xopen function. The mcp251xopen function calls freeirq in its error path, with the mpclock mutex being held. However, if an interrupt has...

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

In the Linux kernel, the following vulnerability has been resolved: i2c: stm32f7: Do not prepare/unprepare the clock during runtime suspend/resume If there is any clock controller attached to this I2C bus controller, such as Versaclock or an AIC32x4 I2C codec, then an I2C transfer triggered by th...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a deadlock issue when converting an inline directory in nojournal mode. In nojournal mode, ext4finishconvertinlinedir can cause a self-deadlock by calling ext4handledirtydirblock after having already taken the...

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

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: The release path is checked before inode lookup during the ino lookup ioctl operation. During the ino lookup ioctl operation, we may call btrfsiget to obtain an inode reference while we are holding a reference to the...

Astra Linux – Vulnerability in Linux 5.15

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 in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netlink: fixed a potential deadlock in netlinkseterr syzbot reported a possible deadlock in netlinkseterr 1 A similar issue was fixed in commit 1d482e666b8e “netlink: disabling IRQs for netlinklocktable” in netlinklocktable Th...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: nvmet-tcp: fixed incorrect locking in the statechange sk callback We are not changing anything in the TCP connection state, so we should not use a writelock but rather a read lock. This caused a deadlock when running nvmet-tcp...

Astra Linux – Vulnerability in Mariadb 10.3

In MariaDB before 10.9.2, the compresswrite function in extra/mariabackup/dscompress.cc does not release the datamutex upon a stream write failure, which allows local users to trigger a deadlock...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Driver core: Fixed a deadlock in deviceattach. In the deviceattach function, the lock-holding logic is as follows: … deviceattach devicelockdev // Get the lock for dev asyncscheduledevdeviceattachasynchelper, dev; // Function cal...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: Staging: rtl8192bs: 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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a deadlock in nilfscountfreeblocks A semaphore deadlock can occur if nilfsgetblock detects metadata corruption while locating data blocks, and a superblock writeback occurs at the same time: task 1 task 2 ------...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: The handling of the pcichanneliofrozen case is now only performed in amdgpupciresume. In current code, when a PCI error state pcichannelionormal is detected, it will report the PCIERSRESULTCANRECOVER status to the PCI...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed a possible deadlock in rfcommskstatechange. syzbot reports a possible deadlock in rfcommskstatechange 1. While rfcommsockconnect acquires the sk lock and waits for the rfcomm lock, rfcommsockrelease might acquire...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: Use spinlockirqsave in adjustinuseandcalccost. The adjustinuseandcalccost function uses spinlockirq, and IRQ will be enabled when unlocking. A DEADLOCK may occur if other locks are held and IRQs are disabled before...