Astra Linux – Vulnerability in Linux 5.10

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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Do not leak snaprwsem when handlecapgrant is called on an IMPORT operation. When handlecapgrant is called on an IMPORT operation, the snaprwsem resource is held, and the function is expected to release it before returning...

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 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 in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed to avoid potential panic during recovery. During recovery, if FAULTBLOCK is enabled, it is possible that f2fsreservenewblock will return -ENOSPC during recovery, which may trigger a panic. Additionally, if the faul...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent deadlock while disabling aRFS When disabling aRFS under the priv-statelock, any scheduled aRFS operations are canceled using the cancelworksync function. This function waits for the operation to finish if it ha...

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 vulnerability has been resolved: RDMA/irdma: Fixed a deadlock that occurred during netdev reset with active connections. This issue was addressed by preventing the deadlock that occurs when the netdev function is executed during a device reset while RDMA...

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: wifi: iwlwifi: Use requestmodulenowait This seems to address a deadlock issue that occurred during the LED merge in version 6.9. The deadlock occurs on my system with 24 iwlwifi radios; perhaps it’s because all worker threads are...

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 – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: For dm-raid456 and md/raid456: A deadlock has been fixed in dm-raid456 when I/O operations are concurrent with the reshape operation. For raid456, if reshape is still in progress, then I/O operations across the reshape positio...

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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: enetc: avoid deadlock in enetctxonesteptstamp This lockdep message explains it better than I could: ================================= WARNING: inconsistent lock state 6.2.0-rc2-07010-ga9b9500ffaac-dirty 967 Not tainted...

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 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 – 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 vulnerability has been resolved: IB/ipoib: Fixed the issue with locking the mcast list. The release of priv-lock while iterating over priv-multicastlist in ipoibmcastjointask creates a situation where ipoibmcastdevFlush may remove the items while the iteration i...

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 – 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:...