Astra Linux – Vulnerability in grub2

Integer underflow in grubnetrecvip4packets; A malicious IP packet can cause an integer underflow in the grubnetrecvip4packets function, affecting the rsm-totallen value. Under certain circumstances, the totallen value may wrap around to a small integer number, which will be used in memory...

Astra Linux – Vulnerability in Harfbuzz

HarfBuzz is a text shaping engine. Prior to version 12.3.0, there was a null pointer dereference vulnerability in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check whether hbmalloc returns NULL before using placement new to construct an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: A potential memory leak has been fixed in ext4fcrecordregions. Since krealloc may return NULL, in this case, state-fcregions may not be freed by krealloc. However, state-fcregions is already set to NULL. This could lead to ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fixed null pointer dereferencing in pinctrldttomap Here is the BUG report by KASAN regarding null pointer dereferencing: BUG: KASAN: nullptrderef in strcmp+0x2e/0x50 A read of size 1 was performed at address...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: xfs: removed calls to xchkxfiledescr macros. The xchkxfiledescr macros use kasprintf, which may fail to allocate memory if the formatted string is longer than 16 bytes or whatever value nofail currently guarantees. Some of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a potential memory leak in DMUB hwinit Why When resuming, we perform DMUB hwinit, which allocates memory using dmresume-dmdmubhwinit-dcdmubsrvcreate-kzalloc. This can lead to a memory leak in suspend/resume...

Astra Linux – Vulnerability in pillow

In Pillow before 8.1.2, attackers can cause a denial of service due to excessive memory consumption. This occurs because the reported size of the contained image is not properly checked for an ICO container. As a result, a memory allocation attempt can be quite large...

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: backlight: pm8941: Add a NULL check in wledconfigure. The devmkasprintf function returns NULL when memory allocation fails. Currently, wledconfigure does not check for this case, resulting in a NULL pointer being dereferenced. Ad...

Astra Linux – Vulnerability in libraw

LibRaw before 0.20-RC1 lacks a check for the thumbnail size range. This affects decoders/unpackthumb.cpp, postprocessing/memimage.cpp, and utils/thumbutils.cpp. For example, mallocsizeoflibrawprocessedimaget+T.tlength is used without validating T.tlength...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Set numsyncs to a limit to prevent excessively large allocations. The exec and vmbind ioctls allow userspace to specify an arbitrary value for numsyncs. Without bounds checking, a very large value of numsyncs can result i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: The free pages operation fails in btrfsuringreadextent. In this function, the pages object is never freed, with the hope that it will be picked up by btrfsuringreadfinished whenever that function is executed in the future...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: slub: Avoid waking up kswapd in settrackprepare settrackprepare may cause lock recursion. The issue arises because it is called from hrtimerstartrangens, which holds percpuhrtimerbasesn.lock. However, when...

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: nfs: Handling of failures in nfsgetlockcontext during unlock path When memory is insufficient, the allocation of nfslockcontext in nfsgetlockcontext fails and returns -ENOMEM. If we mistakenly treat an nfs4unlockdata structure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: spi: mchp-pci1xxx: Fixed a possible null pointer derefrence in pci1xxxspiprobe. In the function pci1xxxxspiprobe, there is a potential null pointer that may be caused by a failed memory allocation performed by the function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: cgbc-hwmon Add a NULL check after devmkzalloc The driver allocates memory for sensor data using devmkzalloc, but did not check whether the allocation succeeded. In the event of a memory allocation failure, dereferencing th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Use VMMAP instead of VMALLOC for the ringbuf area. After the commit 2fd3fb0be1d1 “kasan, vmalloc: unpoison VMALLOC pages after mapping”, non-VMALLOC mappings will be marked as accessible in getvmareanode when KASAN is enable...

CVE-2026-6948

CVE-2026-6948 affects Velociraptor servers prior to version 0.76.4, where the VQLResponse Result-Set Writer can allocate memory unboundedly in the agent control channel. A compromised Velociraptor client can trigger an Out-Of-Memory (OOM) condition, crashing the server by sending crafted messages...

Linux Distros Unpatched Vulnerability : CVE-2026-21728

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy...

CVE-2026-31706

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate numaces and harden ACE walk in smbinheritdacl smbinheritdacl trusts the on-disk numaces value from the parent directory's DACL xattr and uses it to size a heap allocation: acesbase = kmallocsizeofstruct smbace...

CVE-2026-43055

The CVE-2026-43055 issue affects the Linux kernel SCSI target: file implementation. The root cause is that target_core_file does not initialize aio_cmd->iocb for ki_write_stream, which can yield a bogus ki_write_stream value during fd_execute_rw_aio() and lead to unintended write failure statu...