Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: intel-thc-hid: intel-quicki2c: Fixed the ACPI DSD ICRS/ISUB length issue. The QuickI2C ACPI DSD methods return ICRS and ISUB data with a trailing byte, causing the actual length to be one byte more than the struct definition...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: loop: Fixed use-after-free issues The doreqfilebacked function calls blkmqcompleterequest synchronously or asynchronously when using asynchronous I/O, unless memory allocation fails. Therefore, modify loophandlecmd so that it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Media: MediTech; vcodec: Fixed the H264 stateless decoder’s “smatch” warning. A “smatch static checker” warning has been fixed in vdech264reqif.c. This issue causes the kernel to crash when fb is NULL...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: lt8912b: Fixed crash when detaching a bridge The lt8912b driver, in its bridge-detaching function, calls drmconnectorunregister and drmconnectorcleanup. drmconnectorunregister should only be called for connectors...

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: ibmvnic: Do not reset the dql stats during a NONFATAL reset. All ibmvnic resets should instead call netdevtxresetqueue when reopening the device. netdevtxresetqueue resets the numqueued and numcompleted byte counters. These stats...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ublk: Fixed a race condition between iouringcmdcompleteintask and ublkCancelCmd. The ublkCancelCmd function calls iouringcmdDone to complete the uring command. However, we might have scheduled task operations via...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: mmc: alcor: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, the memory allocated in mmcallochost will be leaked, leading to a kernel crash due to the remov...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: tipc: Wait and exit until all work queues are completed On some hosts, a crash could occur simply by repeating these commands several times: bash modprobe tipc tipc bearer enable media udp name UDP1 localip 127.0.0.1 rmmod tipc T...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rvdso: In the vdsojointimens function, a NULL reference was corrected when using vfork. The testing results are as follows in the kernel log: 6.838454 Unable to handle kernel access to user memory without uaccess routines at...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free vulnerability was discovered in drivers/net/hamradio/6pack.c of Linux, which allows an attacker to crash the Linux kernel by simulating the ax25 device using the 6pack driver from the user space...

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

In the Linux kernel, the following vulnerability has been resolved: spmi: Added a check for a remove callback when removing a SPMI driver. When removing a SPMI driver, a crash may occur due to a NULL pointer dereference if no remove callback is defined. This was observed in a call trace during th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xen/netback: Avoid entering xenvifrxnextskb with an empty rx queue. xenvifrxnextskb expects the rx queue not to be empty. However, if the loop in xenvifrxaction performs multiple iterations, the availability of another skb in the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: fix calls to pagepoolgetstats Calling pagepoolgetstats in the mvneta driver without proper checks leads to kernel crashes. Firstly, the page pool is only available if the bm is not being used. The page pool is also n...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid crashes when inline data creation occurs after DIO write When an inode is created and written using direct IO, there is no way to clear the EXT4STATEMAYINLINEDATA flag. As a result, when the inode is truncated to just...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ipmi: Fixed UAF when uninstalling the ipmisi and ipmimsghandler modules Hi, During testing the installation and uninstallation of the ipmisi.ko and ipmimsghandler.ko modules, the system crashed. The log contains the following...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PowerPC: Do not attempt to copy PPR for tasks with NULL pt regs. PowerPC sets up PFKTHREAD and PFIOWORKER with a NULL pt regs, which, according to my arguably very brief checking, is not commonly done for other architectures. Thi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Fixed a kernel crash that occurred when the GPU was hard-reset. The GPU hard-reset sequence calls pmruntimeforcesuspend and pmruntimeforceresume. According to their documentation, these functions should only be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6getlladdr Some time ago, 8965779d2c0e "ipv6,mcast: always hold idev-lock before mcalock" switched ipv6getlladdr to ipv6getlladdr, which is a rcu-unsafe version. This was acceptable, as...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: A bug has been fixed in ext4mbreleasegrouppa. If a malicious fuzzer overwrites the ext4 superblock while it is mounted, causing sfirstdatablock to be set to a very large number, the calculation of the block group may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: Handling failures in registering sensors with thermal zones correctly. If an attempt is made to register a sensor with a thermal zone and it fails, the call to devmthermalzoneofsensorregister may return -ENODEV. This ca...