Astra Linux – Vulnerability in Linux, Linux 5.10

A data race flaw was discovered in the Linux kernel, between the allocation of the con variable and the setting of con-sock. This issue results in a NULL pointer dereferencing when accessing con-sock-sk in the net/tipc/topsrv.c file within the tipc protocol in the Linux kernel...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ionic: catch failure from devlinkalloc A check for NULL has been added to the return value of devlinkalloc. If devlinkalloc fails and we attempt to use devlinkpriv on a NULL return value, the kernel will become very upset and...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iwcxgb4: A potential NULL dereferencing in c4iwfillrescmidentry has been fixed. This condition must match the previous “if epcp-state == LISTEN” exactly to avoid a NULL dereferencing of either “listenep” or “ep”. The problem is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PM: hibernate: Fixed a crash that occurred when freeing an invalid crypto compressor. When cryptoallocacomp fails, it returns an ERRPTR value instead of NULL. The cleanup code in savecompressedimage and loadcompressedimage...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xhci: Fixed a NULL pointer dereference issue when reading PortLib’s debugfs files. Michal reported and debugged a NULL pointer dereference bug in the recently added PortLib’s debugfs files. The issue occurs when there are more po...

Astra Linux – Vulnerability in binutils

A NULL pointer dereference was discovered in elflinkaddobjectsymbols in elflink.c within the Binary File Descriptor BFD library also known as libbfd, as part of the GNU Binutils 2.31.1. This issue occurs with a specially crafted ETDYN file that lacks program headers. A specially crafted ELF file...

Astra Linux – Vulnerability in Poppler

A issue was discovered in Poppler 0.71.0. There is a NULL pointer dereference in goo/GooString.h, which can lead to a denial of service. This issue is evident in utils/pdfdetach.cc, where it does not validate the filename of an embedded file before constructing a save path...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ethtool: eeprom: fixed the null-dereference on genlinfo in the dump. A similar fix, as described in commit 46cdedf2a0fa “ethtool: pse-pd: fixed the null-dereference on genlinfo in the dump”, is also required for ethtool eeprom...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi: avoid null dereference in deinit. If venusprobe fails at pmruntimeputsync, it first calls hfiDestroy, and then hficoredeinit. Since hfiDestroy sets core-ops to NULL, hficoredeinit can no longer call the...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Check the bearer type before calling tipcudpnlbeareradd syzbot reported the following general protection fault 1: General protection fault, likely for non-canonical address 0xdffffc0000000010: 0000 1 PREEMPT SMP KASAN...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Use the correct type in nvidiasmmucontextfault This issue was overlooked due to the use of function pointers for indirection. nvidiasmmucontextfault is also defined as an irq function, and the type ‘void ’ was...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: KVM: Do not dereference ops-destroy with a null pointer. The cleanup of a KVM device occurs through either of two callbacks: 1 destroy, called when the VM is being destroyed; 2 release, called when a device file descriptor is...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a potential null dereference in dmresume Why To fix the match error: The dmresume error: We previously assumed that ‘aconnector-dclink’ could be null. How Checked whether dclink is null at the beginning of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-core: care NULL dirver name on sndsoclookupcomponentnolocked soc-generic-dmaengine-pcm.c uses the same device for both CPU and Platform. In such cases, the CPU component driver may not have the required driver-name fiel...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mt76: mt7921: fixed the error code “return” in “mt7921acpiread”. The kernel’s NULL pointer was dereferenced when the ACPI SAR table was not properly implemented. Fixed the error code “return” to indicate that the ACPI SA...

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

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: Fixed a possible NULL pointer dereferencing caused by driver concurrency. In dwc2hcdurbenqueue, the statement “urb-hcpriv = NULL” is executed without holding the lock “hsotg-lock”. In dwc2hcdurbdequeue: c...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: cadence: A possible null-ptr-deref issue has been fixed in cadencenanddtprobe. This issue could lead to a null-ptr-deref when using ‘res’. If platformgetresource returns NULL, moving using ‘res’ after...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Invalid parameter check in dpusetupdspppcc The function performs a check on the “ctx” input parameter, however, it is used before the check. The “base” variable is initialized after the sanity check to avoid a possib...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: core: Fixed a possible nullptrderef in shpfcmapresources. This issue could lead to a nullptrderef when using ‘res’. If platformgetresource returns NULL, moving using ‘res’ after devmioremapresource will prevent...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Fixed a situation where a NULL pointer was dereferenced. The LRU mechanism may look up a resource during the process of removing it from an object. The locking rules for this operation are somewhat unclear, but it...