Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: vfio/platform: Create persistent IRQ handlers The vfio-platform SETIRQS ioctl currently allows loopback triggering of an interrupt before a signaling eventfd has been configured by the user, which allows a NULL pointer dereferenc...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: objtool: A memory leak has been fixed in the createStaticcallsections function. strdup allocates memory for keyname. We need to release this memory in the following error-prone code paths. Add free to avoid the memory leak...

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

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: The function tcpbpfsendverdict fails to allocate psock-cork when called, and skmsgfree must be called instead. The issue was reported by syzbot as follows: 0 The reproduction of the issue involves the following steps: 1...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: Fixed a bug where sleep was performed from an invalid context in btrfsqgroupinherit. Syzkaller reported the bug as follows: Bug: A sleep function is called from an invalid context at include/linux/sched/mm.h:274 Ca...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: s390 – Fixed a use-after-free of PCI resources when per-function hot-plugging occurs. On the s390 architecture, PCI functions may be hot-plugged individually, even when they belong to a multi-functional device. Specifically,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath10k – Fix for the dmafreecoherent pointer dmaalloccoherent allocates a DMA-mapped buffer and stores the addresses in XXXunaligned fields. These addresses should be reused when freeing the buffer, rather than using the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Media: dvb-core: Fixed an issue where incorrect reinitializations of the ringbuffer occurred upon reopening the device. The dvbdvropen function calls dvbringbufferinit, when a new reader opens the DVR device. dvbringbufferinit th...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFC: Digital: Fixed a possible memory leak in digitaltglistenmdaa. The variable ‘params’ is allocated in digitaltglistenmdaa, but it is not freed when digitalsendcmd fails. This could lead to a memory leak. The issue is fixed by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: gve: Fixed corruption in the stats report when the number of queues changes. The driver and the Network Interface Card NIC share a memory region for stats reporting. The NIC calculates its offset within this region based on the...

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

In the Linux kernel, the following vulnerability has been resolved: Staging: iio: frequency: ad9834: Validate frequency parameter value In ad9834writefrequency, clkgetrate may return 0. In such cases, the call to ad9834calcfreqreg will result in a division by zero. Checking if fout clkfreq / 2 do...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Added NULL checks when resetting request and reply queues. The driver encountered a crash during resource cleanup when the reply and request queues were NULL due to freed memory. This issue occurred when the creatio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: A memory leak has been fixed in the error path of qla2x00processels. The commit number is 8c0eb596baa5 “SCSI qla2xxx: Fix a memory leak in an error path of qla2x00processels”. The intended changes were to modify th...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix race in lowcomms This patch fixes a race condition between queuework in dlmlowcommscommitmsg and srcureadunlock. queuework may take the final reference to a dlmmsg, causing msg-idx to contain garbage, as indicated by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: macvlan: A grace period for resource control is observed in the error path of macvlancommonnewlink. Valis reported that a race condition still occurs after our previous patch. macvlancommonnewlink might have made the device...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: pcnuart: A memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must also call dput on it; otherwise, a memory leak will occur over time. To simplify things, simply call debugfslookupandremove...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

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...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: Set fbdisplayi-mode to NULL when the mode is released. Recently, we discovered the following issue through syzkaller: BUG: KASAN: Slab-use-after-free in fbmodeisequal+0x285/0x2f0 A read of size 4 at address ff11000001b3c69...

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

In the Linux kernel, the following vulnerability has been resolved: dm-crypt: Do not modify the data when using authenticated encryption. It was stated that authenticated encryption could produce invalid tags when the data being encrypted was modified 1. Therefore, this issue can be addressed by...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue occurs when testing as follows: a Using syscallNRSocket, 0x10ul, 3ul, 0 to create a netlink socket. b Using syscallNRSendMsg, ... to create a bond link device and a vxcan link device, and binding the vxcan device to the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: usb: dwc3-am62: Fixed the behavior of module unloading and reloading. When runtime PM is enabled, the module can be suspended during runtime when the .remove method is called. Call pmruntimegetsync to ensure that the module is...