Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gpio: mockup: Fixed a NULL pointer dereferencing issue when removing debugfs. We now remove the debugfs entries of the device when unbinding the driver. This now causes a NULL-pointer dereferencing issue at the end of the module,...

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

In the Linux kernel, the following vulnerability has been resolved: watchdog: Fix kmemleak in watchdogcdevregister kmemleak reports memory leaks in watchdogdevregister, as follows: unreferenced object 0xffff888116233000 size 2048: comm ""modprobe"", pid 28147, jiffies 4353426116 age 61.741s hex...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fixed a possible use-after-free in nicstarcleanup The remove path of this module calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the BPF code, ensure that skb-len != 0 when redirecting a packet to a tunneling device. The syzkaller function managed to trigger another case where skb-len == 0 when entering devqueuexmit. WARNING: CPU: 0, PID: 2470; Location...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: usb: cdns3 – Fix for use-after-free at workaround 2 BUG: KFENCE – Use-after-free during read operation in listdelentryvalid+0x10/0xac The code snippet is as follows: c cdns3wa2removeoldrequest … kfreeprivreq-request.buf;...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel version up to 6.1.9, there is a use-after-free issue in the bigbenremove function within the drivers/hid/hid-bigbenff.c file, caused by a crafted USB device. This issue arises because the LED controllers remain registered for an excessively long period of time...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition between quota rescan and disabling quotas, which could lead to a NULL pointer derefrence. If one task attempts to start the quota rescan worker while another task attempts to disable quotas, we can e...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: tty: serial: Fixed a deadlock in sa1100settermios There is a deadlock in sa1100settermios, as shown below: Thread 1 | Thread 2 | sa1100enablems sa1100settermios | modtimer spinlockirqsave //1 | Wait for a while ... |...

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: clk: Get runtime PM before walking the tree during disableunused. Doug reported 1 the following hung task: INFO: task swapper/0:1 was blocked for more than 122 seconds. Not tainted 5.15.149-21875-gf795ebc40eb8 1 “echo 0...

Astra Linux – Vulnerability in Linux 5.15

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...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fixed a possible incorrect match in nfosffind. nfosffind incorrectly returns true in case of a mismatch, which leads to copying uninitialized memory areas in nftosf. This can result in leaking stale kerne...

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: Bluetooth: L2CAP: Fixed use-after-free issue Fixed a potential use-after-free in l2caplecommandrej...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rt4801: Fixed a NULL pointer dereferencing issue when priv-enablegpios is NULL. devmgpiodgetarrayoptional may return NULL if no GPIO was assigned...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - tty: serial: Fixed a refcount leak issue in uccuart.c In socinfo, offindnodebytype will return a node pointer with the refcount incremented. We should use ofnodeput when it is no longer needed...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: openvswitch: Fixed a leak in nested actions. When parsing user-provided actions, the openvswitch module may dynamically allocate memory and store pointers in the internal copy of the actions. This memory must be freed whe...

Astra Linux – Vulnerability in Linux 5.10, Linux

In v4l2m2mquerybuf of v4l2-mem2mem.c, there is a possible out-of-bounds write due to improper input validation. This could lead to a local escalation of privileges, as the system requires execution privileges to exploit the vulnerability. User interaction is not required for exploitation. Product...

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

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt6797 – Added a check for the return value of mtkallocclkdata. The check is added to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: vtioctl: fixed arrayindexnospec in vtsetactivate. arrayindexnospec ensures that an out-of-bounds value is set to zero on the transient path. Reducing this value by one afterward causes a transient integer underflow. vsa.consol...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8 contains SAUCE patches that may involve the use of an uninitialized variable in the AppArmor AFINET/AFINET6 socket mediation code. This bug can be triggered by a non-privileged local user, and it could lead to incorrect, fine-grained mediation of network sockets...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: sf-pdma: Added multithread support for a DMA channel. When we obtain a DMA channel and attempt to use it across multiple threads, it can lead to errors and cause the system to hang. bash % echo 64...