Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: x86/mm/64: Defined ARCHPAGETABLESYNCMASK and archsynckernelmappings. These definitions ensure that page tables are properly synchronized when calling pdpopulatekernel. For 5-level paging, synchronization is performed via...

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

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Do not abort the filesystem when attempting to take a snapshot of a deleted subvolume. If the source file descriptor for the snapshot ioctl refers to a deleted subvolume, the following abort occurs: BTRFS: Transaction...

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/pci: Properly hiding the first-in-list PCIe extended capabilities There are cases where a PCIe extended capability should be hidden from the user. For example, an unknown capability i.e., a capability with an ID greater than...

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

In the Linux kernel, the following vulnerability has been resolved: ACPICA: fixed the ACPI operand cache leak in dswstate.c ACPICA commit: 987a3b5cf7175916e2a4b6ea5b8e70f830dfe732 I discovered a ACPI cache leak in cases where ACPI early termination occurs and the boot process continues. When earl...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Keystone: Fixed a NULL pointer dereferencing issue in case of a DT error in kspciesetuprcapp regs. If IORESOURCEMEM is not provided in the Device Tree due to any error, resourcelistfirsttype will return NULL, and...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rcv: mm: Fixed the out-of-bound issue with vmemmap addresses In the sparse vmemmap model, the virtual address of vmemmap is calculated as: struct page VMEMMAPSTART - physrambase PAGESHIFT. The virtual address of struct pages can...

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: btrfs: corrected the order of the prelimref arguments in btrfsprelimref The btrfsprelimref function calls the old and new reference variables in the incorrect order. This causes a NULL pointer dereference because oldref is...

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

In the Linux kernel, the following vulnerability has been resolved: xfrm: The “x-tunnel” structure is deleted as soon as the “x” structure is deleted. The IP-compatibility tunnels are currently being deleted from various lists and hashtables because the last user state that relied on those tunnel...

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

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed possible data races in gfs2showoptions Some fields such as gtlogdsecs of the struct gfs2tune are accessed without holding the lock gtspin in gfs2showoptions: val = sdp-sdtune.gtlogdsecs; if val != 30 seqprintfs,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: smartpqi: Fix for disablemanagedinterrupts The issue with the registration of blk-mq using the module parameter “disablemanagedinterrupts” was corrected. When we disable the default PCIIRQAFFINITY flag, the driver needs ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/scs: The task stack state is reset in bringupcpu. When a CPU is hot-plugged, the idle task on that CPU calls several layers of C code before finally leaving the kernel. When KASAN is in use, “poisoned” shadow is left behind...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Add acpiputtable to prevent a memory leak. When the radeon driver reads BIOS information from the ACPI table in radeonacpivfctbios, it fails to call acpiputtable to release the ACPI memory after initialization...

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

In the Linux kernel, the following vulnerability has been resolved: Bonding: The device was stopped in the bondsetupbyslave function. The commit 9eed321cde22 “net: lapbether: only support Ethernet devices” managed to keep syzbot away from net/lapb until today. In the following issue 1, a lapbethe...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: validate vlan header Ensure there is sufficient room to access the protocol field of the VLAN header; validate it once before the flowtable lookup. ===================================================== BUG:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fixed the WQMEMRECLAIM warning When sunrpc is used, if a reset occurs, our workqueue may result in the following call trace: workqueue: WQMEMRECLAIM xprtiod: xprtrdmaconnectworker rpcrdma is being flushed! WQMEMRECLAIM...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a deadlock that occurred during netdev reset with active connections. This issue was addressed by preventing the deadlock that occurs when the netdev function is executed during a device reset while RDMA...

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: clk: qcom: mmcc-msm8974: fix terminating of frequency table arrays. The frequency table arrays are supposed to be terminated with an empty element. Add such an entry to the end of the arrays where it is missing, in order to avoid...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fixed the null-ptr-deref issue in hugetlbfsParseParam Syzkaller reported a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range...

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

In the Linux kernel, the following vulnerabilities have been resolved: ARM: OMAP2+: Fixed a memory leak in realtimecounterinit. The "sysclk" resource is allocated using clkget, and it is not released when the function returns...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: Set scmnd-result only when scmnd is not NULL. This change fixes the following kernel NULL pointer dereference, which is occasionally reproduced by blktests srp/007. Bug: Kernel NULL pointer dereference, address:...