Astra Linux – Vulnerability in Linux 5.10, Linux

A vulnerability related to out-of-bounds memory access was discovered in the Linux kernel’s TUN/TAP device driver functionality. This vulnerability occurs when a user generates a malicious excessively large network packet while napi frags is enabled. This flaw allows a local user to cause a syste...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: fixed out-of-bounds access to the mmhub client ID. Properly handled cid 0x140...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3-sva: Fixed the issue of memory use-after-free. Currently, we call arm64mmcontextput without holding a reference to the MM register, which can lead to use-after-free. We call mmgrab/mmdrop to ensure that the MM...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: Fixed a NULL pointer dereferencing in atahostallocpinfo. In a unlikely and probably incorrect scenario where the ppi parameter of atahostallocpinfo points to an array starting with a NULL pointer, there will be ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Staging: rtl8192e: Fixed the issue of using a pointer after it was freed in rtl92epcidisconnect. The freertllib function frees the “dev” pointer, which allows for usage after freeing it in the next line. We have rearranged the co...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: A potential array overflow has been fixed in bpftrampolinegetprogs. The cnt value in the cnt = BPFMAXTRAMPPROGS check does not include BPFTRAMPMODIFYRETURN bpf programs. As a result, the number of BPFTRAMPMODIFYRETURN bpf...

Astra Linux – Vulnerability in Linux 5.10

A flaw was discovered in the Linux kernel. The existing KVM SEV API contains a vulnerability that allows a non-root host user-level application to crash the host kernel by creating a confidential guest VM instance in an AMD CPU that supports Secure Encrypted Virtualization SEV...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring/afunix: disabling the sending of iouring via sockets File reference cycles have caused many problems for iouring in the past. It still doesn’t work correctly, and it causes races with unixstreamreadgeneric. The safest...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: prevents reg-wait speculation. By using ENTEREXTARGREG instead of passing a user pointer along with arguments for the waiting loop, the user can specify an offset within a pre-mapped region of memory. In this case, offse...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: Fixed a potential stack-out-of-bounds write in ath9kwmirspcallback. This bug involves writing to wmi-cmdrspbuf, a stack-allocated buffer that may become invalid when a timeout occurs. Set wmi-lastseqid to 0 when a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Ring-Buffer: Handled race conditions between rbmovetail and rbcheckpages. It appears there is a data race between writing to the ringbuffer and performing integrity checks. Specifically, the RBFLAG of headpage is being updated,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Do not overwrite the KMS surface dirty tracker. We were overwriting the surface’s dirty tracker, which caused a memory leak...

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

Information exposure due to microarchitectural states after transient execution in certain vector execution units of some Intel processors may allow an authenticated user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-pcm: Added a NULL check in BE reparenting. A NULL check was also added to the dpcmbereparent API, to handle kernel NULL pointer dereferencing errors. This issue occurred during fuzzing tests...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in the Linux kernel’s NFC core functionality due to a race condition between the creation and deletion of kobjects. This vulnerability allows a local attacker with CAPNETADMIN privileges to leak kernel information...

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

In the Linux kernel, the following vulnerability has been resolved: In md/raid10, there is a issue where memory leaks occur in the MD thread. In raid10run, if setupconf succeeds and raid10run fails before setting ‘mddev-thread’, then the variable ‘conf-thread’ is not freed after the failure. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Watchdog: sp5100tco – Fixed a memory leak related to the EFCH MMIO resource. Unlike releasememregion, a call to releaseresource does not free the resource automatically; therefore, it must be freed explicitly to avoid a memory...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix device management cmd timeout flow In the UFS error handling flow, the host will send a device management command NOP OUT to the device to recover the link. If this command times out and clearing the device...

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

A use-after-free flaw was discovered in the nfcllcpfindlocal function in net/nfc/llcpcore.c within NFC in the Linux kernel. This flaw allows a local user with special privileges to cause a kernel information leak issue...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw was discovered in the Linux kernel. Measuring the usage of shared memory does not scale well with large counts of shared memory segments, which could lead to resource exhaustion and Denial-of-Service attacks...