Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: A memory leak has been fixed in ipcpciereadbioscfg. The ipcpciereadbioscfg function uses acpievaluatedsm to obtain the wwan power state configuration from the BIOS. However, it does not free the acpiobject after...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fixed the use of VAS memory after freeing it. The reference count on the memory module is lowered before the coprocessor is detached...

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: rcuscale: Move rcuscalewriter’s scheduletimeoutuninterruptible function to idle. The rcuscale.holdoff module parameter can be used to delay the start of rcuscalewriter’s kthread. However, the hung-task timeout will trigger when t...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/sun4i: dsi: Prevent underflow when calculating packet sizes. Currently, the packet overhead is subtracted using unsigned arithmetic. With a short sync pulse, this could lead to an underflow, causing the value to wrap around t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/etnaviv: checking for the reaped mapping in etnaviviommuunmapgem. When the mapping has already been reaped, the unmap operation must be a no-op. Otherwise, we would try to remove the mapping twice, corrupting the involved dat...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3-sva: Fixed the issue of memory use-after-free. Currently, we call arm64mmcontextput without holding a reference to the MM register, which can lead to use-after-free. We call mmgrab/mmdrop to ensure that the MM...

Astra Linux – Vulnerability in Linux 5.10, Linux

When setting a font using malicious data via the ioctl command PIOFONT, the kernel will write memory beyond its bounds...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed a race condition related to the refcnt of skb after locking operations. There is a race condition where the skb from the skpsockbacklog can be referenced after the user-space environment has already consume...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: spi: Fix for statistics allocation. The controller per-cpu statistics is not allocated until after the controller has been registered with the driver core. This creates a window during which accessing the sysfs attributes may lea...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

When sending malicious data to the kernel using the ioctl cmd FBIOPUTVSCREENINFO, the kernel will write memory beyond its boundaries...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: The issue of task hanging when the signal interrupt nbdstartdeviceioctl occurs has been fixed. The following program is a simplified version of the reproducer function: c int mainvoid int sv2, fd; if socketpairAFUNIX,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fix for a hang that occurs during unmount when the block group reclaim task is running. When starting an unmount, at closectree, if the reclaim task is running and is in the middle of a data block group relocation, it i...

Astra Linux – Vulnerability in Linux, Linux 5.10, Intel-Microcode

Incomplete cleanup of multi-core shared buffers on certain Intel processors may allow an authenticated user to potentially disclose information through local access...

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

In the Linux kernel, the following vulnerabilities have been resolved: llc: Calling sockorphan at the release time syzbot reported an interesting trace 1 caused by a stale pointer to sk-skwq in a closed llc socket. In the commit ff7b11aa481f "net: socket: setting sock-sk to NULL after calling...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fixed a reference leak in the GID entry when the createah operation fails. If the AH create request fails, the sgidattr should be released to avoid a reference leak during the release of the GID table...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fixed a potential data race in the PCM memory allocation helpers The PCM memory allocation helpers include a sanity check to prevent too many buffer allocations. However, this check is performed without proper locking,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: irtoy: free before error exiting The leak in the error handling path has been fixed...

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

In the Linux kernel, the following vulnerability has been resolved: hid: cp2112: Fix duplicate workqueue initialization Previously, the cp2112 driver called INITDELAYEDWORK within cp2112 gpioirqstartup, resulting in duplicate initializations of the workqueue during subsequent IRQ starts after an...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fixed a credential leak in nfs4discovertrunking...

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

In the Linux kernel, the following vulnerability has been resolved: efivarfs: forces RO when remounting if SetVariable is not supported If SetVariable at runtime is not supported by the firmware, we never assign a callback for that function. At the same time, we mount efivarfs as RO so that no on...