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...

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

In the Linux kernel, the following vulnerability has been resolved: drm: Do not accidentally unreference the same framebuffer multiple times due to deadlock handling. If a deadlock occurs after the fb lookup in drmmodepageflipioctl, we proceed to unreference the fb and then retry the entire proce...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fixed deadlock issues with SRQ async events. The xalock function for the SRQ table may be required in AEQ. Use xastoreirq/xaeraseirq to avoid deadlock...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drivers: staging: rtl8723bs: Fixed locking issues in rtwjointimeouthandler. The commit number 041879b12ddb states: “drivers: staging: rtl8192bs: Fixed deadlock in rtwjoinbsseventprehandle. In addition, rtwjointimeouthandler wa...

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

In the Linux kernel, the following vulnerability has been resolved: ceph: fixed a deadlock or deadcode issue caused by misuse of dget. The lock order between denty and its parent is incorrect; we should always ensure that the parent gets the lock first. However, since this deadcode is never used,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: typec: displayport: Fixed a potential deadlock condition. The deadlock can occur due to a recursive lock acquisition of crostypecaltmodedata::mutex. The call chain is as follows: 1. crostypecaltmodework acquires the mutex. 2...

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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: The return error code in mdp5mixerrelease is incorrect when a deadlock is detected. There is a possibility that mdp5getglobalstate may return-EDEADLK when acquiring the modeset lock. However, currently,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cgroup: Added the missing cpusreadlock function to cgroupattachtaskall. The syzbot tool encounters a warning regarding percpurwsemassertheld&cpuhotpluglock when calling cpusetattach 1. This issue was missed because cpusetattach i...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: pcigeneric: Use pcitryresetfunction to avoid deadlock. There are multiple places where the recovery work is scheduled asynchronously. Additionally, there are multiple places where the caller waits synchronously fo...

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

In the Linux kernel, the following vulnerability has been resolved: serial: imx: fix tx statemachine deadlock When using the serial port as a RS485 port, the tx statemachine is used to control the RTS pin to drive the RS485 transceiver’s TXEN pin. When the TTY port is closed mid-transmission e.g....

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: A bug has been fixed if the bio field exceeds its limit. If dmintegritychecklimits fails, the code will exit with DMMAPIOKILL. However, the range would already be locked at this point, and it would not be unlocked,...

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: hfsplus: removed the mutexlock check in hfsplusfreeextents Syzbot reported an issue with the hfsplus filesystem: ------------ cut here --- WARNING: CPU: 0 PID: 4400 at fs/hfsplus/extents.c:346 hfsplusfreeextents+0x700/0xad0 Ca...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Fuse: Fix for the deadlock caused by reclaimeduring. The commit e26ee4efbc79 “Fuse: Allocate ff-releaseargs only if release is needed” avoids allocating ff-releaseargs if the server does not implement open. However, in doing so,...

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

In the Linux kernel, the following vulnerability has been resolved: nvmet-fc: avoiding deadlock on the delete association path When deleting an association, the shutdown path experiences a deadlock condition because we try to flush the nvmetwq nested structure. This issue can be avoided by delayi...

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 6.1

In the Linux kernel, the following vulnerability has been resolved: erofs: Add GFPNOIO to the bio completion if necessary. The bio completion path in the process context e.g., dm-verity will directly call into decompression instead of triggering another workqueue context for minimal scheduling...