Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: um: initcputasks earlier. This issue is currently addressed in umlfinishsetup. However, for example, when KCOV is enabled, this can still cause crashes, as some initialization code may call functions like memparse, which have...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: md: initbioset in mddevinit. IO operations may be required before mdrun, such as updating metadata after writing to sysfs. Without bioset, this triggers a NULL pointer dereference, as shown below: BUG: NULL pointer dereference in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: avs: Fixed a possible null-ptr-deref issue when initializing hardware. The result of the avsdaifindpathtemplate function must be verified before being used. Since the ‘template’ is already known when...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/panthor: Fixed a UAF in the panthorgemcreatewithhandle function’s debugfs code. The object may potentially have already been deleted after the drmgemobjectput call. In general, the object should be fully constructed before...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nvmet: pci-epf: Do not complete commands twice if nvmetreqinit fails The issue arises when nvmetreqinit calls nvmetreqcomplete internally in case of failures, such as when an unsupported opcode is encountered. This triggers the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64: kexec: The kexecbuf structure was previously declared without initialization. The patch series “kexec: Fix invalid field access” addresses this issue. The kexecBuf structure was declared without being initialized. The comm...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: blk-throttle: Fixed an access race issue during the activation of the throttle policy. Upon repeated cold boots, we occasionally encounter a NULL pointer crash in blkshouldthrotl, when checking the throttle policy before the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: vdpasimblk: The number of address spaces and virtqueue groups were set. The commit bda324fd037a “vdpasim: control virtqueue support” added two new fields nas, ngroups to vdpasimdevattr, but we forgot to initialize them for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fixed a deadlock in contextxa. The variable ivpudevice-contextxa is locked both in the kernel thread and in the IRQ context. This requires the XAFLAGSLOCKIRQ flag to be passed during initialization. Otherwise, the loc...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Initialize Xen timers only once A check for existing xen timers was added before initializing a new timer. Currently, the kvmxeninittimer function is called every time KVMXENVCPUATTRTYPETIMER is used. This causes th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed an oops due to uninitialized variables in smb2unlink. If SMB2openinit or SMB2closeinit fails e.g., due to reconnection, the iovs structure @rqst may remain uninitialized. As a result, calling SMB2openfree,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: Initialize the work queue before error checks. A kernel warning is prevented when the netconsole setup fails on devices with the IFFDISABLENETPOLL flag. The warning occurs because the cleanup process attempts to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: lib/testkho: Check whether KHO is enabled. We must check whether KHO is enabled before issuing KHO commands; otherwise, the KHO internal data structures will not be initialized...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbreceivebulkcallback: fixed the error message. Since committing the patch 79a6d1bfe114 “can: gsusb: gsusbreceivebulkcallback: error in usbsubmiturb, a failed resubmit URB will print an information message”, a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: it6505: Initialize AUX channel in it6505i2cprobe During device booting, the HPD interrupt might be triggered before the DRM subsystem registers it6505 as a DRM bridge. In such cases, the driver attempts to access the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: m68k: mm: Move initrd phystovirt handling after paginginit When booting with an initial ramdisk on platforms where physical memory does not start at address zero e.g., on the Amiga: initrd: 0ef0602c - 0f800000 Zone ranges: DMA me...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: soc: mediatek: mtk-svs: Enable the IRQ later. If the system does not start from a reset state such as when it is booted via kexec, the peripheral device may trigger an IRQ before the data structures are initialized. 0.227710 Unab...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: crypto: afalg – Fixed an issue where initialisation was missing, affecting gcm-aes-s390. Fixed the afalgallocareq function to initialize areq-firstrsgl.sgl.sgt.sgl to point to the scatterlist array within areq-firstrsgl.sgl.sg...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: fs, fix UAF in flow counter release Fix a kernel issue 1 caused by releasing an HWS action of a local flow counter in mlx5cmdhwsdeletefte. In this issue, the HWS action refcount and mutex were not initialized, and th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: swiotlb: Initialize the listhead of the restricted pool when SWIOTLBDYNAMIC=y. Using restricted DMA pools CONFIGDMARESTRICTEDPOOL=y in conjunction with dynamic SWIOTLB CONFIGSWIOTLBDYNAMIC=y leads to the following crash during...