Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.9.1, as used with Xen up to version 4.14.x. The file drivers/xen/events/eventsbase.c allows for the removal of event channels during the event-handling loop a race condition. This can lead to a use-after-free or NULL pointer...

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: ice: Fixed a null pointer dereference in icecopyandinitpkg. Added a check on the return value of devmkmemdup to prevent potential null pointer dereferences...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: mtkdrmcrtc: Added checks for devmkcalloc. Since devmkcalloc may return NULL, the return value needs to be checked to avoid dereferencing a NULL pointer...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Fixed a NULLptrderef in rxeqpdocleanup, when socket creation fails. There is a NULLptrderef in the mount.cifs operation over RDMA: - BUG: KASAN: NULLptrderef in rxeqpdocleanup+0x2f3/0x360 rdmarxe - Reading of a 8-byt...

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: hda: Fixed a possible null-ptr-deref issue when assigning a stream. While AudioDSP drivers assign streams that are exclusively of HOST or LINK type, nothing prevents a user from attempting to assign a COUPLED stream. The...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: mts64: Fix possible null-ptr-defer in sndmts64interrupt I received a “null-ptr-defer” error report when performing the following tests on the QEMU platform: I executed the following commands: make defconfig and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: sfc: Fixed an issue where a use-after-free occurred when disabling sriov. The use-after-free was detected by kfence when disabling sriov. What was read after it was freed was vf-pcidev: it was freed from pcidisablesriov, and...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Invalid parameter check in msmdsiPhyEnable The function performs a check on the “phy” input parameter, however, it is used before the check. The “dev” variable is initialized after the sanity check to avoid a possibl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a null check in resourcelogpipetopologyupdate REASON When switching from “Extend” to “Second Display Only”, we sometimes call resourcegetotgmasterforstream on an eDP stream, even though the eDP is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Atm: lec: fixed a null-ptr-deref in lecarpclearvccs. Syzkaller reported a null-ptr-deref in lecarpclearvccs. This issue can be easily reproduced using the Syzkaller reproducer. In the ATM LANE LAN Emulation module, the same atmvc...

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: net: lltemac: The function platformgetresource was replaced with the function devmplatformioremapresourcebyname. This replacement affects the call using 0 as the resource name. This ultimately leads to a null pointer in the strcm...

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

In the Linux kernel, the following vulnerabilities have been resolved: jbd2: fixed data-race and null-ptr-deref in jbd2journaldirtymetadata Since handle-htransaction may be a NULL pointer, we should change it by calling ishandleabortedhandle before dereferencing it. The following data-race was...

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: ASoC: core: Check for rtd == NULL in sndsocremovepcmruntime The function sndsocremovepcmruntime might be called with rtd == NULL, which will lead to a null pointer derefrence. This issue was reproduced when topology loading was...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the issue of unexpected dereferencing of the hive. Check whether the amdgpuhiveinfo hive might be NULL...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: The pointer to debugfsdir is set to NULL after removing debugfs. If init debugfs fails during device registration due to a memory allocation failure, the function debugfsremoverecursive is called. However, debugfsd...

Astra Linux – Vulnerability in openjpeg2

It was discovered that openjpeg v 2.5.0 contains a NULL pointer dereference through the /openjp2/dwt.c component...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: BPF: Rejected direct access to nullable PTRTOBUF pointers The checkmemaccess function matches PTRTOBUF via basetype, which removes the PTRMAYBENULL flag, allowing direct dereferencing without a null check. The map iterator ctx-ke...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relid. relid2channel assumes that the vmbus channel array is already allocated when it is called. However, in situations like kdump/kexec, not all relids will be rese...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: Processor: Idle: Check the return value of acpiFetchAcpiDev. The return value of acpiFetchAcpiDev can be NULL, which could lead to a NULL pointer dereferencing in acpiDeviceHID. rjw: Subject and changelog edits, added an...

Astra Linux – Vulnerability in binutils

A issue was discovered in elflinkinputbfd within elflink.c, part of the Binary File Descriptor BFD library also known as libbfd, as included in GNU Binutils 2.31. There is a NULL pointer dereferencing issue in elflinkinputbfd when it is used to find STTTLS symbols without a TLS section present. A...