Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: caif: Fix use-after-free in caifSerial ldiscClose There is a use-after-free bug in caifSerial where handletx may access ser-tty after tty has been freed. The race condition occurs between ldiscClose and packet transmissio...

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: fs: writeback: Fixed a use-after-free issue in markinodedirty. A use-after-free issue occurred when markinodedirty accessed bdiwriteback, which was in progress during the switch operation. CPU: 1, PID: 562, Comm: systemd-random-N...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: ACPI: custommethod – fixed a potential use-after-free issue. In the cmwrite function, the buffer is always freed when it reaches the end of the function. If the requested count is less than table.length, the allocated buffer will...

Astra Linux – Vulnerability in Linux 5.10

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel 5.14-rc3. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling o...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: soc-compress: Repositioned and added pcmmutex. If paniconwarn is set and the compress stream DPCM is initiated, then a kernel panic occurs because card-pcmmutex is not properly locked. In the following functions, a warni...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: pxa: fixed a null-pointer dereference in filter The kasprintf function would return a NULL pointer when kmalloc fails to allocate memory. It is necessary to check the return pointer before calling strcmp...

Astra Linux – Vulnerability in Linux 5.10, Linux

A vulnerability was discovered in the Linux kernel before version 5.16.12. In the file drivers/net/usb/sr9700.c, attackers can obtain sensitive information from heap memory by using crafted frame lengths from a device...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/dpmst: Fixed the issue where the message reception state was reset after the topology was removed. If the MST topology is removed during the reception of an MST down reply or an MST up request sideband message, the states of...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fixed a use-after-free issue related to KFENCE violations during the sysfs firmware write process. During the sysfs firmware write process, a use-after-free read warning was logged from the lpfcwrobject routine: BUG:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: serial: amba-pl011: avoid SBSA UART accessing the DMACR register The chapter “B Generic UART” in “ARM Server Base System Architecture” 1 describes a generic UART interface. Such a generic UART does not support DMA. In current cod...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi: avoid null dereference in deinit. If venusprobe fails at pmruntimeputsync, it first calls hfiDestroy, and then hficoredeinit. Since hfiDestroy sets core-ops to NULL, hficoredeinit can no longer call the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbd: fix dmaunmapsg nents The dmaunmapsg functions should be called with the same nents as the dmamapsg, not with the value returned by the map function...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: Missing check for virtio Two missing checks in virtionethdrtoskb allowed syzbot to crash kernels again. 1. After the skbsegment function, the buffer may become non-linear nrfrags != 0. However, since the SKBTXSHAREDFRAG...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Topology: Keep the cpumask unchanged when printing cpumap. During fuzz testing, the following warning was discovered: Different return values 15 and 11 from vsnprintf"%pbl",.... Warning: “keyward” is a warning in kvasprintf...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Net: Ethernet: mtk-star-emac: fixed spinlock recursion issues during rx/tx polls. Use spinlockirqsave and spinunlockirqrestore instead of spinlock and spinunlock in the mtk-star-emac driver to avoid spinlock recursion issues...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/jfs: prevented double-free in dbUnmount after failed jfsremount Syzkaller reported the following issue: ================================================================== BUG: KASAN: double-free in slabfree mm/slub.c:3787...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - For tty: an option was added to allow a TTY to reject a new ldisc. This allows us to limit the number of virtual terminals to just NTTY. These terminals are somewhat special; in particular, the “conwrite” routine violates th...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: A reference count leak was fixed in snruncoremmiomap. pcigetdevice increases the reference count of the returned pcidev. Therefore, snruncoregetmcdev will return a pcidev with its reference count increased...

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

In the Linux kernel, the following vulnerability has been resolved: net: fec: removed .ndopollcontroller to avoid deadlocks. A deadlock issue was found in the sungem driver. Please refer to the commit ac0a230f719b “eth: sungem: removed .ndopollcontroller to avoid deadlocks”. The root cause of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Pages may be leaked if setmemoryencrypted fails. In CoCo VMs, it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail, resulting in an error and the shared memory being...