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

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by changing j1939sockslock to rwlock. The following 3 locks may race against each other, causing a deadlock situation in the Syzbot bug report: - j1939sockslock - activesessionlistlock -...

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

In the Linux kernel, the following vulnerability has been resolved: hwrng: core – Fix page fault deadlock on mmap-ed hwrng There is a dead-lock in the hwrng device read path. This occurs when the user reads from /dev/hwrng into memory, and at the same time, /dev/hwrng is also mapped into memory...

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: Fixed a hang issue in nilfslookupdirtydatabuffers. Syzbot reported a hang issue in migratepagesbatch, called by mbind, and nilfslookupdirtydatabuffers, called in the log writer of nilfs2. While migratepagesbatch locks ...

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 onto the root’s btree...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue was fixed by dropping all dirty pages during umount if cperror is set. The xfstest generic/361 report indicates a bug as follows: f2fsbugonsbi, sbi-fsyncnodenum; Kernel bug located at fs/f2fs/super.c:1627! RIP:...

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

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, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed the lockdep splat issue and potential deadlock that occurs after running delayed items. When running delayed items, we hold the mutex of the delayed node. Then, we attempt to modify a subvolume btree to insert, updat...

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

In the Linux kernel, the following vulnerability has been resolved: cifs: The folio lock is released upon a successful read from fscache. Under the current code, when cifsreadpageworker is called, the contract between the caller and the callee is that the callee should unlock the page. This is...

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: 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...

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

In the Linux kernel, the following vulnerabilities have been resolved: Ring-Buffer: Fixed a deadloop issue when reading tracepipe. A soft lockup occurs when reading the file ‘tracepipe’: - Watchdog: BUG: Soft lockup – CPU6 stuck for 22 seconds! cat:4488 - ... - RIP: 0010:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fix multiple LUNRESET handling This fix addresses a bug where the initiator assumes that a LUNRESET has cleaned up running commands, when in fact it hasn’t. The bug was introduced in commit 51ec502a3266 “target:...

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 that was triggered by canceldelayedworksyn The following LOCKDEP was detected: Workqueue: events smclgrfreework smc WARNING: possible circular locking dependency detected...

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, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a deadlock between the quota disable process and the qgroup rescan worker process. The quota disable ioctl initiates a transaction before waiting for the qgroup rescan worker to complete. However, this wait can be...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: core: sysfs: Fix a hang issue when the device state is set via sysfs This fix addresses a regression introduced in the commit f0f82e2476f6 “scsi: core: Fix capacity setting to zero after offlineizing a device”. The issue...

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

A denial-of-service vulnerability due to a deadlock was discovered in sctpautoasconfinit in the net/sctp/socket.c file within the SCTP subsystem of the Linux kernel. This flaw allows users with local user privileges to trigger a deadlock and potentially cause the system to crash...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: do not allow userspace to block driver unbind In the unbind callback for fuac1 and fuac2, a call to sndcardfree via gaudiocleanup will disconnect the card and then wait for all resources to be released, which...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NVMe: Fixed the failure to reconnect due to reserved tag allocation. We identified an issue in a production environment while using NVMe over RDMA. The reconnection of adminq failed indefinitely, even when the remote target and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Block layer: Fixed a deadlock between bdlinkdiskholder and partitionscan. The openmutex of gendisk is used to protect the opening and closing of block devices. However, in bdlinkdiskholder, it is used to protect the creation of...

Astra Linux – Vulnerability in Linux 5.10

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...