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: smb/server: Fixed a potential null-ptr-deref of leasectxinfo in smb2open. null-ptr-deref will occur when reqoplevel == SMB2OPLOCKLEVELLEASE and parseleasestate returns NULL. The issue was fixed by checking whether leasectxinfo is...

Astra Linux – Vulnerability in hdf5

A issue was discovered in HDF5 through 1.12.0. A NULL pointer dereference exists in the function H5Fgetnrefs located in H5Fquery.c. This allows an attacker to cause a Denial of Service attack...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: bigbenff: prevent null pointer dereference When emulating the device through UHID, there is a possibility that we do not have output reports, and as a result, reportfield is set to null...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Handling of a null streamstatus in the planeschangedforexistingstream function. This commit adds a null check for streamstatus in the function planeschangedforexistingstream. Previously, the code assumed that...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: Check the return value of mdbitmapgetcounter. Check the return value of mdbitmapgetcounter in case it returns a NULL pointer, which would lead to a null pointer dereferencing. v2: Updated the check to includ...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a check for cstate. Since kzalloc may fail and return a NULL pointer, it would be better to check the cstate to avoid dereferencing the NULL pointer in drmatomichelpercrtcreset. Patchwork:...

Astra Linux - Vulnerability in linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: security: Restrict CONFIGZEROCALLUSEDREGS to gcc or clang 15.0.6 A serious bug in clang's implementation of -fzero-call-used-regs can result NULL pointer dereferences see the links above the check for more information. Restrict...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: ipu3imggu: Fixed a NULL pointer dereferencing issue in active selection access. The IMGu driver handled this by first acquiring the pointers to the active devices, then attempting V4L2 Subdev operations, and only then...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Avoid null pointer deref during path establishment. For RTRS path establishment, the RTRS client initiates and completes connection establishment. After establishing all its connections, information is exchanged...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: amd/sdwutils: avoid NULL deref when devmkasprintf fails devmkasprintf may return NULL when memory allocation fails. However, the debug message prints cpus-dainame before checking it. Move the devdbg call after the NULL chec...

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 gst-plugins-base1.0

GStreamer is a library for constructing graphs of media-handling components. A null pointer dereference has been discovered in the id3v2readsynchuint function, located in id3v2.c. If id3v2readsynchuint is called with a null work-hdr.framedata, the pointer guint8 data is accessed without validatio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Track xmit submissions to PTP WQ after populating the metadata map. Ensure that the skb is available in the metadata mapping to skbs before tracking the metadata index to detect undelivered CQEs. If the metadata ind...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: quota: fixed the loop condition in f2fsquotasync The parameter cnt should be passed to sbhasquotaactive, rather than type, to correctly check the active quota. Moreover, when the type is -1, the compiler, with sufficient...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Platform/x86: hp-bioscfg: Fixed kernel panic in the GETINSTANCEID macro. The GETINSTANCEID macro caused a kernel panic when accessing sysfs attributes. 1. Off-by-one error: The loop condition used name without checking whether...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed TCP options overflow. Syzbot reported the following errors: Oops: general protection fault, likely due to a non-canonical address 0xdffffc0000000001: 0000 1 PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Refactor the bind path to use free After a bind/unbind cycle, the ncm-notifyreq remains stale. If a subsequent bind fails, the unified error handling mechanism attempts to free this stale request. This leads to...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fixed a NULL pointer dereferencing in nvmeallocadmintags. In nvmeallocadmintags, adminq can be set to an error typically -ENOMEM if the blkmqinitqueue call fails to set up the queue. This check is performed immediately...

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

In the Linux kernel, the following vulnerability has been resolved: nfsd: returns -EINVAL when namelen is 0 When we have a corrupted main.sqlite file in /var/lib/nfs/nfsdcld/, it may result in namelen being 0, which will cause memdupuser to return ZEROSIZEPTR. When we access the name.data that ha...

CVE-2026-48985

pamusb provides hardware authentication for Linux using ordinary removable media. In versions 0.9.1 and below, pusbisloginctllocal can cause a NULL dereference crash when parsing loginctl output. The function calls popen and reads the result; if the Remote field is only a newline, fgets succeeds...