Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/vmwgfx: Fixed a nullptr access in the cursor snooper. Checked that the resource, which is converted to a surface, exists before trying to use the cursor snooper on it. vmwcmdrescheck allows explicit invalid identifiers e.g...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fixed a missing pointer check in the hdacomponentmanagerinit function. The componentmatchadd function may assign the ‘matchptr’ pointer the value ERRPTR-ENOMEM, which will subsequently be dereferenced. The call stack...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtio-net: The issue of checking the received length in large packets has been fixed. Since commit 4959aebba8c0 “virtio-net: Use the MTU size as the buffer length for large packets”, when the guest gso is disabled, the allocated...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: target: The ttaskcdb pointer is reset in the error case. If the allocation of cmd-ttaskcdb fails, it remains NULL, but it is later referenced in the ‘err’ path. In case of an error, the NULL ttaskcdb value is reset to point...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Endpoint – Avoid creating sub-groups asynchronously Asynchronous creation of sub-groups by a delayed operation could lead to a NULL pointer dereference when the driver directory is removed before the operation completes. The...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Timers: Fixed a NULL function pointer race condition in timershutdownsync. There is a race condition between timershutdownsync and timerexpiration, which can lead to a WARNON being triggered in expiretimers. The issue occurs...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: md/raid5: Fixed possible null-pointer dereferences in raid5storegroupthreadcnt. The variable mddev-private is first assigned to conf, and then checked: c conf = mddev-private; if !conf… If conf is NULL, then mddev-private is also...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: comedi: pcl818: fixed the null-ptr-deref in pcl818aicancel Syzbot identified an issue 1 in pcl818ai Cancel, which stems from the fact that in case of early device detachment via pcl818detach, subdevice dev-readsubdev may not have...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: preventing dereferencing of ZEROSIZEPTR when numifs is zero The driver allocates arrays for ports, FDBs, and filter blocks using kcalloc, with ethsw-swattr.numifs as the element count. When the device reports zero...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: char: applicom: fix NULL pointer dereference in acioctl Discovered by Atuin – Automated Vulnerability Discovery Engine. In acioctl, the validation of IndexCard and the check for a valid RamIO pointer are skipped when cmd is 6...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: Only call xfarray,blobdestroy if we have a valid pointer. Only call the xfarray and xfblob destructors if we have a valid pointer, and make sure to null out that pointer afterwards. Note that this patch fixes a large number ...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check NULL before accessing WHAT IGT kmscursorlegacy’s long-nonblocking-modeset-vs-cursor-atomic fails with a NULL pointer dereference. This issue can be reproduced when both an eDP panel and a DP monitor are...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the ATM send path sendmsg - vccsendmsg - sigdsend, the vcc pointer is read from msg-vcc and used directly without any validation. This pointer comes from the user space via sendmsg, and can be arbitrarily forged: int fd =...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: csiostor: Fixed the issue of dereferencing a null pointer rn. The error exit path when rn is NULL results in dereferencing the null pointer rn through the use of the macro CSIOINCSTATS. This issue was fixed by adding a new...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - For the media module, in the mtk-mdp component, error handling in the probe function has been fixed. - The function mtkmdpunregisterm2mdevice has been added to the error handling path to prevent resource leaks. - A check for...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Validate sp before freeing associated memory System crash with the following signatures: 154563.214890 nvme nvme2: NVME-FC1: Controller connect complete 154564.169363 qla2xxx 0000:b0:00.1-3002:2: nvme: Sched: Se...

Astra Linux – Vulnerability in libstb

In Libsixel, prior to and including version 1.10.3, a NULL pointer dereferencing in the stbimage.h component of libsixel allows attackers to cause a denial of service DOS through a crafted PICT file...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: be2net: Fixed NULL pointer dereferencing in becmdgetmacfromlist. When the parameter pmacidvalid, an argument of becmdgetmacfromlist, is set to false, the driver may request the PMACID from the firmware of the network card. This...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fixed a NULLptrderef issue in ishtpbusremoveallclients. During a warm reset process, the cl-device pointer may become NULL if the reset occurs while clients are still being enumerated. Accessing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcmloop: Fixed a segfault in tcmlooptpgaddressshow If the allocation of tlhba-sh fails in tcmloopdriverprobe, and we attempt to dereference it in tcmlooptpgaddressshow, we will encounter a segfault. See below for an...