Astra Linux – Vulnerability in Linux, Linux 5.10

A race condition flaw was discovered in the Linux kernel sound subsystem due to improper locking mechanisms. This could lead to a NULL pointer derefrence during the handling of the SNDCTLDSPSYNC ioctl command. A privileged local user such as root or a member of the audio group could exploit this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Use deltimersync instead of deltimer in the fw reset flow of the halting poll. Replace deltimer with deltimersync in the fw reset polling activation flow. This prevents a race condition that occurs when deltimer is call...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Watchdog: sc520wdt: A possible use-after-free occurred in wdtturnoff. The remove method of this module calls deltimer. However, that function does not wait until the timer handler is completed. This means that the timer handler m...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-edma: HDMA: Add sync read before starting the DMA transfer in remote setup The linked list elements and pointers are not stored in the same memory as the HDMA controller register. If the doorbell register is toggled...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: atm: iphase: fixed a possible use-after-free in iamoduleexit The remove function of this module calls deltimer. However, that function does not wait for the timer handler to complete. This means that the timer handler may still b...

Astra Linux – Vulnerability in Containerd

Containerd is an open-source container runtime. A bug was discovered in the CRI implementation of Containerd, where programs within a container can cause the Containerd daemon to consume memory indefinitely during the invocation of the ExecSync API. This can result in Containerd consuming all...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: If hcicmdsyncqueueonce returns -EEXIST, it indicates that a queue item already exists. The hcicmdsyncqueueonce function needs to indicate whether a queue item was added, so that the caller can know if...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: Fixed UAF in hcidisconnectallsync A use-after-free can occur in hcidisconnectallsync if a connection is deleted due to concurrent processing of a controller event. To prevent this, the code now attempts to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/i915: mark requests for GuC virtual engines to avoid use-after-free. References to i915requests may be trapped by the user space within a syncfile or dmabuf dma-resv and held indefinitely across different processes. To counte...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “sh: push-switch: Reorder cleanup operations to avoid use-after-free bug” The original code placed “flushwork” before “timershutdownsync” in “switchdrvremove”. Although we use “flushwork” to stop the worker, it could be reschedul...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: soundwire: bus: Fix unbalanced pmruntimeput causing usage count underflow This issue is addressed by the commit 443a98e649b4 “soundwire: bus: use pmruntimeresumeandget”. The calls to pmruntimeresumeandget are changed back to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: fixed a crash in setmeshsync and setmeshcomplete. There is a bug: KASAN: a stack-out-of-bounds issue in setmeshsync, caused by memcpy from a poorly declared on-stack flexible array. Another crash occurs in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: rejecting malformed HCICMDSYNC commands In mgmthcicmdsync, check whether the size of the parameters passed in struct mgmtcphcicmdsync matches the total size of the data i.e., sizeofstruct mgmtcphcicmdsync plus th...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ax25: Fixing use-after-free bugs caused by ax25dsdeltimer. When the ax25 device is being detached, the ax25devdevicedown function calls ax25dsdeltimer to clean up the slavetimer. When the timer handler is running, 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: Bluetooth: btintel: Fixed a null pointer dereference in btintelreadversion. If hcicmdsyncComplete is triggered and skb is NULL, then hdev-reqskb will also be NULL, which will cause this issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Fixed a use-after-free issue in tipcnamedreinit. syzbot identified the following issue: BUG: KASAN: Use-after-free in tipcnamedreinit+0x94f/0x9b0 net/tipc/namedistr.c:413 A 8-byte read at address ffff88805299a000 was...

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

In the Linux kernel, the following vulnerability has been resolved: Media: BTTV – Fixed an issue where a use-after-free error occurred due to the btv-timeout timer. There may be a race condition between the btvirqtimeout timer function and bttvremove. The timer is set up in the probe phase, and...

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

In the Linux kernel, the following vulnerability has been resolved: In md/raid10, the issue of null-ptr-deref in raid10syncrequest has been fixed. In initresync, the mempool is initialized, and conf-havereplacemnt is set to 0 at the beginning of the sync process. closesync frees the mempool when...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/writeback: Skip mappings with ASNODATAINTEGRITY in waitsbinodes. In the while loop of waitsbinodes, it is documented that we must wait for all pages under writeback to ensure data integrity. Consequently, if a mapping, such as...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: md: made rdevaddable usable for rcu mode Our testcase triggered a panic: BUG: kernel NULL pointer dereference, address: 00000000000000e0 … Oops: 0000 1 SMP NOPTI CPU: 2 UID: 0 PID: 85 Comm: kworker/2:1 Not tainted 6.16.0+ 94...