Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Thermal: Intel: HFI – Added syscore callbacks for system-wide PM The kernel allocates a memory buffer and provides its location to the hardware, which uses it to update the HFI table. This allocation occurs during boot and remain...

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: init/main.c: Fixed a potential memory overflow issue with staticcommandline. We allocated memory of size ‘xlen + strlenbootcommandline + 1 for staticcommandline. However, the strings copied into staticcommandline were actually...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: hibernate: Fixed the level3 translation fault in swsuspsave On arm64 machines, swsuspsave fails if it attempts to access MEMBLOCKNOMAP memory ranges. This issue can be reproduced in QEMU using UEFI when booting with...

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

In the Linux kernel, the following vulnerability has been resolved: media: go7007: fix a memleak in go7007loadencoder In go7007loadencoder, the variable bounce i.e., go-bootfw is allocated without subsequent deallocation. After the following call chain: saa7134go7007init | | - go7007bootencoder |...

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

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2 – Clearing the BM pool before initialization. The register values persist after booting the kernel using kexec, which results in a kernel panic. Therefore, it is necessary to clear the BM pool registers before...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/coco: Requires seeding the RNG with RDRAND on CoCo systems. There are few uses of CoCo that do not rely on functional cryptography and, consequently, a functioning RNG. Unfortunately, the CoCo threat model means that the VM...

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: iscsistart: A UBSAN out-of-bounds warning has been fixed in ibftattrshownic. When performing an iSCSI boot using IPv6, iscsistart still reads the /sys/firmware/ibft/ethernetX/subnet-mask entry. Since the IPv6 prefix length is 64,...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed the bug in estreesearch caused by an invalid boot loader inode. We have the following issues: kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMPT SMP CPU: 1 PID: 945 Comm: cat Not tainted...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “mmc: dwmmc: Fix IDMAC operation with pages larger than 4K” The commit 8396c793ffdf “mmc: dwmmc: Fix IDMAC operation with pages larger than 4K” increased the maxreqsize, even for 4K pages, causing various issues: - Panic during...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: Move page table sync declarations to linux/pgtable.h During our internal testing, we began observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: Unable to...

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: irqchip/gic-v3-its: Avoid truncating memory addresses. On 32-bit machines with CONFIGARMLPAE, it is possible for lowmem allocations to be backed by addresses located physically beyond the 32-bit address limit. This issue was...

Astra Linux – Vulnerability in u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is an unbounded memcpy operation with a failed length check at nfslookupreply...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ntfs: Set a dummy block size to “read bootblock” when mounting. During mounting, sb-sblocksize is used to read the bootblock without being defined or validated. Set a dummy block size before attempting to read the bootblock. The...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: x86/i8259: The legacy PIC interrupts have been marked with IRQLEVEL. Baoquan reported that after triggering a crash, the subsequent boot process fails about half of the time. This occurs due to a NULL pointer dereference in the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crashes in the RedBoot partition table parser Given the CONFIGFORTIFYSOURCE=y configuration and a recent compiler version, the commit 439a1bcac648 “fortify: Use builtindynamicobjectsize when available” results in...

Astra Linux – Vulnerability in u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is an unbounded memcpy operation when parsing a UDP packet, due to an underflow of the netprocessreceivedpacket integer value during the ncinputpacket call...

Astra Linux – Vulnerability in u-boot

A carefully crafted self-referential DOS partition table will cause all Das U-Boot versions up to 2019.07-rc4 to infinitely recur, causing the stack to grow indefinitely. This could lead to a system crash or the overwriting of other data...

Astra Linux – Vulnerability in u-boot

Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur due to a crafted squashfs filesystem using sbrk, request2size, or because ptrdifft is mishandled on x8664...

Astra Linux – Vulnerability in grub2

When reading the .mo file in grubmofileopen, grub2 fails to verify an integer overflow during the allocation of its internal buffer. A specially crafted .mo file may cause the buffer size calculation to overflow, resulting in out-of-bound reads and writes. This flaw allows an attacker to leak...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. A specially crafted JPEG file can cause the JPEG parser in grub2 to incorrectly check the boundaries of its internal buffers, leading to an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is still a concer...