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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: Validates user input to ensure it is of the expected length. I received multiple syzbot reports indicating that old bugs were exposed due to BPF after the commit 20f2505fb436 “bpf: Try to avoid kzalloc in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: rfi: fix potential response leaks If the check for the rx payload length fails, or if kmemdup fails, we still need to free the command response. Fix that issue...

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: Block: Prevent division by zero in blkrqstatsum The expression dst-nrsamples + src-nrsamples may have a value of zero during overflow. It is necessary to add a check to avoid division by zero. This issue was identified by the Lin...

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

In the Linux kernel, the following vulnerabilities have been resolved: hsr: Fixed uninit-value access in hsrgetnode KMSAN reported the following uninit-value access issue 1: ===================================================== BUG: KMSAN: uninit-value in hsrgetnode+0xa2e/0xa40...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: A memory leak was fixed in acpiprocessorpowerexit. After the CPU idle device was unregistered, the memory associated with it wasn’t freed, resulting in a memory leak: unreferenced object 0xffff896282f6c000 si...

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

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Ensure visibility when inserting an element into tracingmap. Running the following two commands in parallel on a multi-processor AArch64 machine may occasionally generate an unexpected warning regarding duplicate...

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

In the Linux kernel, the following vulnerability has been resolved: fs/proc: dotaskstat: The sig-statslock lock is used to gather statistics about threads/children. The locktasksighand function can cause a hard lockup. If NRCPUS threads call dotaskstat at the same time, and the process has...

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

In the Linux kernel, the following vulnerability has been resolved: iio: Magnetometer: rm3100 – added a boundary check for the value read from RM3100REGTMRC. Recently, we encountered a kernel crash in the function rm3100commonprobe, caused by out-of-bound access to the array rm3100samprates due t...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: A fix was made to the NULL pointer dereference in dwc3gadgetsuspend. In current scenarios where “Plug-out” and “Plug-In” operations are performed continuously, there is a possibility that a NULL pointer...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid-of: fix NULL dereference on failed power-up Some time ago, the I2C HID implementation was split into an ACPI and OF part. However, the new OF driver never initializes the client pointer, which is dereferenced in case...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: sr – fixed possible use-after-free and nullptrderef issues. The pernet operations structure for the subsystem must be registered before registering the generic netlink family...

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

In the Linux kernel, the following vulnerabilities have been resolved: pppasync: Limited MRU to 64K. The syzbot triggered a warning 1 in allocpages: WARNONONCEGFP order MAXPAGEORDER, gfp. Willem fixed a similar issue in the commit c0a2a1b0d631 “ppp: limited MRU to 64K”. Apply the same sanity chec...

Astra Linux – Vulnerability in Qemu

QEMU prior to version 8.2.0 has an integer underflow issue, which can lead to a buffer overflow. This occurs due to a TI command, where a transfer length that is not a DMA transfer is processed, and the actual transfer length is shorter than the length of the available FIFO data. This issue arise...

Astra Linux – Vulnerability in libxml2

A issue was discovered in libxml2 before versions 2.11.7 and 2.12.x, and even before 2.12.5. When using the XML Reader interface with DTD validation and XInclude expansion enabled, processing crafted XML documents can lead to a use-after-free of the xmlValidatePopElement function...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel before version 6.6.7, a untrusted VMM could trigger the int80 syscall handling at any given point. This issue is related to the files arch/x86/coco/tdx/tdx.c and arch/x86/mm/memencryptamd.c...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid dividing by 0 in mbupdateavgfragmentsize when the block bitmap is corrupted. The issue arises when the block bitmap is corrupted, and dividing by 0 may occur during this function. To mitigate this risk, it is necessar...

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

In the Linux kernel, the following vulnerability has been resolved: spi: hisi-sfc-v3xx: Return IRQNone if no interrupts were detected Return IRQNone from the interrupt handler when no interrupt was detected. This is because an empty interrupt will cause a null pointer error. "Unable to handle...

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

In the Linux kernel, the following vulnerabilities have been resolved: gtp: Fixed use-after-free and null-ptr-deref issues in gtpnewlink. The gtplinkops operation structure for the subsystem must be registered after registering the gtpnetops pernet operation structure. Syzkaller encountered a...