Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/raid5-cache: fixed a deadlock in r5lexitlog. The commit b13015af94cf “md/raid5-cache: Clear conf-log after finishing work” introduced a new problem: // The caller holds reconfigmutex r5lexitlog flushwork&log-disablewritebackwo...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ubifs: Fixed a deadlock issue in concurrent rename whiteout and inode writeback processes. Related tasks with deadlocks: 77.028764 Task: kworker/u8:4 State: D Stack: 0 PID: 132 77.028820 Call trace: 77.029027 schedule+0x8c/0x1...

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: migrate: corrected lock ordering for hugetlb file folio operations Syzbot has identified a deadlock analyzed by Lance Yang: 1 Task 5749: Holds foliolock, then attempts to acquire immaprwsem read lock. 2 Task 5754: Holds...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7921s – Fixed the issue where potentially hung tasks might occur during chip recovery. During chip recovery e.g., chip reset, there is a possibility that the kernel worker resetwork holds a lock and waits for 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: USB: Gadget: fmidi: fmidicomplete calling queuework When using USB MIDI, a lock attempt is made twice through a reentrant call to fmiditransmit, resulting in a deadlock. The issue is fixed by using queuework to schedule the inner...

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: Nilfs2: Fixed potential deadlocks caused by newly created symlinks. Syzbot reported that pagesymlink, called by nilfssymlink, triggers memory reclamation involving the filesystem layer. This can lead to circular lock dependencies...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: lpi2c: Avoid calling clkgetrate during transfer Instead of repeatedly calling clkgetrate for each transfer, lock the clock rate and cache the value. A deadlock was observed when adding the tlv320aic32x4 audio codec to the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed a deadlock between the devlink lock and esw-wq. esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler acquires the devlink lock. .eswitchmodeset acquires the devlink lock in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - usb: dwc2: gadget: Fixed the mismatch between spinlock and unlock calls in dwc2hsotgudcstop. - dwc2gadgetexitclockgating: Internally calls the callgadget macro, which expects hsotg-lock to be held since it performs...

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: net: cadence: macb: Fixed a possible deadlock in macbhalttx. There is a situation where, after THALT is set to a high value, TGO also remains high. Since the jiffies values are never updated, and we are in a context with interrup...

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 in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: afbluetooth: Fixed deadlock issues Attempting to use socklock on .recvmsg may cause a deadlock as shown below. Therefore, instead of using socksock, use skreceivequeue.lock on btsockioctl to avoid UAF: INFO: Task...

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 – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192e: Fixed a deadlock in rtllibbeaconsstop. There is a deadlock in rtllibbeaconsstop, as shown below: Thread 1 | Thread 2 | rtllibsendbeacon rtllibbeaconsstop | modtimer spinlockirqsave //1 | Wait for a whi...

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: virtio-blk: Do not keep the queue frozen during system suspension. The commit 4ce6e2db00de “virtio-blk: Ensure no requests are in the virtqueues before deleting the vqs.” replaces “queue quiesce” with “queue freeze” in virtio-blk...

Astra Linux – Vulnerability in Linux 6.1

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 found in Linux 5.10, Linux 5.15

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid deadlock on fallback while reinjecting Jakub reported a MPTCP deadlock at the time of fallback: WARNING: possible recursive locking detected 6.18.0-rc7-virtme 1 Not tainted -------------------------------------------...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nvme-multipath: fixed the lockdep warning due to the partition scan operation. The test cases nvme/014, 057, and 058 occasionally fail due to the lockdep warning. As reported in the Closes tag URL, this warning indicates that ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Remove WQMEMRECLAIM from storvscerrorwq The storvscerrorwq workqueue should not be marked as WQMEMRECLAIM, as it does not need to retain the status of forward progress under memory pressure. Marking this workqueue ...