Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: pci: ivtv: Added a check for the DMA map result. If DMA fails, ‘dma-SGlength’ is 0. This value is later used to access ‘dma-SGarraydma-SGlength - 1’, which could lead to out-of-bounds access. A check was added to return...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: irqchip/gic/realview: A refcount leak was fixed in realviewgicofinit. The function offindmatchingnodeandmatch returns a node pointer with a incremented refcount. We should use ofnodeput on it when there is no longer a need for...

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: drm/shmem-helper: Fixed the BUGON in mmapPROTWRITE, MAPPRIVATE. A lack of check for copy-on-write COW mapping in drmgemshmemmmap allows users to call mmap with PROTWRITE and MAPPRIVATE flags, causing a kernel panic due to BUGON i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: xen/privcmd: fixed the error exit of privcmdioctldmop The error exit of privcmdioctldmop calls unlockpages, potentially with pages being NULL, leading to a NULL dereference. Additionally, lockpages does not check whether...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed a deadlock between the devlink lock and esw-wq. esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler acquires the devlink lock. .eswitchmodeset acquires the devlink lock in...

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: f2fs: The return value of f2fsrecoverfsyncdata has been fixed. With the following scripts, a panic will occur in f2fs: bash mkfs.f2fs -f /dev/vdd mount /dev/vdd /mnt/f2fs touch /mnt/f2fs/foo sync echo 111 /mnt/f2fs/foo f2fsio fsy...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: kprobe: Fixed a potential nullptrdereference issue in traceeventfile in kprobeeventgentestexit. When tracegeteventfile fails, genkretprobetest will be assigned as the error code. If the kprobeeventgentest module is remov...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fixed a null-ptr-deref in vkmsrelease. A null-ptr-deref occurred when trying to destroy the workqueue in vkms-output.composerworkq during vkmsrelease. KASAN: Null-ptr-deref occurred in the range...

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: bpf: Ensuring that pending IRQ work is processed before freeing the ring buffer. A race condition was addressed in this fix, where irqwork could be queued in bpfringbufcommit, but the ring buffer was freed before the work execute...

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

In the Linux kernel, the following vulnerability has been resolved: arm64: asm-bug: Add .align 2 to the end of BUGENTRY. When CONFIGDEBUGBUGVERBOSE=n, we fail to add the necessary padding bytes to the bugtable entries. As a result, the last entry in a bug table will be ignored, potentially leadin...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: HID: hid-ntrig: fix an issue where it was unable to handle page faults in ntrigreportversion. In ntrigreportversion, the hdev parameter is passed from hidprobe. Sending a descriptor to /dev/uhid can cause hdev-dev.parent-parent t...

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: ALSA: usb-audio: Fixed a use-after-free in sndusbmixerfree When sndusbcreatemixer fails, sndusbmixerfree frees mixer-idelems, but the controls that were previously added to the card still reference the freed memory. Later, when...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed an DFS traversal error without CONFIGCIFSDFSUPCALL. When compiled with CONFIGCIFSDFSUPCALL disabled, cifsdfsdautomount is NULL. The logic in cifs.ko for mapping CIFSFATTRDFSREFERRAL attributes to SAUTOMOUNT and...

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: sctp: sysctl: rtomin/max: Avoid using current-nsproxy. As mentioned in a previous commit of this series, using the net structure via current is not recommended for various reasons: - Inconsistency: Obtaining information from the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Increase ARCHDMAMINALIGN to 16 ARCHDMAMINALIGN is set to 1 by default, but some LoongArch-specific devices such as APBDMA require a 16-byte alignment. When the data buffer length is too small, the hardware may make an...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A validation check for zero numsubauth is added before accessing subauth. Accessing psid-subauthpsid-numsubauth - 1 without checking whether numsubauth is non-zero can lead to an out-of-bounds read. This patch adds a...

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: bpf: Send signals asynchronously if !preemptible BPF programs can execute in various contexts. When a program running in a non-preemptible context uses the bpfsendsignal function, issues may arise because this function can enter ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: vxlan: Fixed an uninitialized value in vxlanvnifilterdump. KMSAN reported an uninitialized value access in vxlanvnifilterdump. 1 If the length of the netlink message payload is less than sizeofstruct tunnelmsg,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Handling of errors when calling otx2mboxgetrsp in otx2flows.c has been improved. A check for the error pointer was added after calling otx2mboxgetrsp...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fixed the warning "rxecleanup+0x12c/0x170 rdmarxe" The call trace is as follows: ? show regs.cold+0x1a/0x1f ? rxecleanup+0x12c/0x170 rdmarxe ? warn+0x84/0xd0 ? rxecleanup+0x12c/0x170 rdmarxe ? reportbug+0x105/0x180 ?...