Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Block: Initialize the integrity buffer to zero before writing it to the media. The metadata added by biointegrityprep uses the plain kmalloc function, which causes random kernel memory to be written to the media. For PI metadata,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: usb-storage: alauda: Check whether the media is initialized. The member “uzonesize” of the struct alaudainfo will remain 0 if alaudainitmedia fails, potentially causing division errors in alaudareaddata and alaudawritelba. - A...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfsetpipapo: Fix for the initial map filling issue. The initial buffer must be initialized to “all-ones”, but this must be limited to the size of the first field, not the total field size. After each round of the map...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: util: Avoid accessing a ringbuffer that is not initialized yet. If the KVP or VSS daemon starts before the VMBus channel’s ringbuffer is fully initialized, we can encounter a panic as follows: hvutils: Registering th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/hns: Fixed the use of spinunlockirqrestore, which is called with IRQs enabled. Fixed incorrect use of spinlockirq/spinunlockirq when spinlockirqsave/spinlockirqrestore was held. This issue was discovered through lock...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3: A deadlock issue was fixed when configuring TC during the reset process. When configuring TC during the reset process, a deadlock may occur. The sequence is as follows: 1. pf reset start 2. setup tc 3. down: napidisabl...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: Ensure that sndnxt is properly initialized upon connection. Christoph reported a crash indicating that the snduna was corrupted: WARNING: CPU: 1 PID: 38 at net/mptcp/protocol.c:1005 mptcpcleanuna+0x4b3/0x620...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: fsl-asoc-card: Set priv-pdev before using it The priv-pdev pointer was set after it was used in fslasoccardaudmuxinit. This assignment should be moved to the beginning of the probe function, so that sub-functions can...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: i3c: mipi-i3c-hci: An error is now reported instead of using BUGON in IBI DMA setup. The situation where dmagetcachealignment is defined with a value greater than 256 during driver initialization is not a reason for BUGON...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: The initialization of the dangling pointer that occurs in vsk-trans has been addressed. During loopback communication, a dangling pointer can be created in vsk-trans, potentially leading to a Use-After-Free conditio...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: memcgwriteeventcontrol: fixed a user-triggered oops. We do not guarantee that anything beyond the terminating NUL is mapped let alone initialized with anything sensible...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: jfs: Fixed the uninit-value access to newea in eabuffer syzbot reports that lzo1x1docompress uses uninit-value: ===================================================== BUG: KMSAN: Uninit-value in lzo1x1docompress+0x19f9/0x2510,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: brd: Automatic disk creation is deferred until module initialization succeeds. My colleague Wupeng identified the following issues during fault injection: BUG: Unable to handle page faults for address: fffffbfff809d073 PGD:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfs: Fixed the KMSAN warning in decodegetfattr attrs. Fixed the following KMSAN warnings: CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B Tainted: B=BADPAGE Hardware name: QEMU Standard PC Q35 + ICH9, 2009...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hfs: fixed the issue where fields of hfs inodeinfo were initialized after hfsallocinode Syzbot reports an issue with accessing uninitialized values as follows: loop0: detected a change in capacity from 0 to 64...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: um: line: always fill errorout in setuponeline The pointer is not initialized by the callers, but I’ve encountered cases where it is still printed; initialize it in all possible cases within setuponeline...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: core: zero-initialize the report buffer. Since the report buffer is used by various drivers in various ways, let’s initialize it to zero during allocation, so that it cannot ever be used to leak kernel memory through special...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: A NULL pointer dereference issue was fixed in fbconputcs. syzbot has identified a NULL pointer dereference bug in fbcon. Here is the simplified C code example: c struct param uint8t type; struct tioclselection ts; ; int ma...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: initialise extack before use This fix addresses the issue of missing initialization of extack in flow offload...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Reinitialize the delayed ref list after deleting it from the list. In the insertdelayedref function, if we need to update the action of an existing ref to BTRFSDROPDELAYEDREF, we delete the ref from its refhead’s refaddlis...