Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: A panic occurs when an IPv4 route references a loopback IPv6 nexthop. When a standalone IPv6 nexthop object is created with a loopback device e.g., “ip -6 nexthop add id 100 dev lo”, the fib6nhinit function misclassifi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Module: Fixed kernel panic when a symbol’s stshndx value is out of bounds The module loader does not check the bounds of the ELF section index in simplifysymbols: c for i = 1; i shsize / sizeofElfSym; i++ const char name =...

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

In the Linux kernel, the following vulnerabilities have been resolved: TCP: Add sanity checks to rx zerocopy The purpose of TCP rx zerocopy is to map pages that are initially allocated by NIC drivers, not pages owned by a file system. This patch adds the following additional checks to canmapfrag:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ionic: catch failure from devlinkalloc A check for NULL has been added to the return value of devlinkalloc. If devlinkalloc fails and we attempt to use devlinkpriv on a NULL return value, the kernel will become very upset and...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: configfs: A race condition in configfs,unregistersubsystem has been fixed. When configfsregistersubsystem or configfsunregistersubsystem executes linkgroup or unlinkgroup, it is possible for two processes to add or delete element...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Disabled the unnecessary interrupt to avoid kernel panic. There is a hardware bug where the interrupt STMBUFHALF may be triggered after or when the interrupt is disabled. This may lead to unexpected kernel panic...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hwpoison: Clearing MFCOUNTINCREASED before retrying getanypage Hulk Robot reported a panic in putpagetestzero when testing madvice with MADVSOFTOFFLINE. The bug is triggered when retrying getanypage. This occurs because the...

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

A race condition was detected in the Bluetooth device driver of the Linux kernel’s min,maxkeysizeset function. This can lead to a null pointer dereferencing issue, potentially causing a kernel panic or a denial-of-service attack...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to perform sanity checks on inline inode. Yanming reported a kernel bug on Bugzilla Kernel 1, which can be reproduced. The bug message is as follows: The kernel message is displayed as follows: Kernel BUG at...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Check that the endpoint is valid before dereferencing it. When the host controller is not responding, all URBs queued to all endpoints need to be terminated. This can cause a kernel panic if we attempt to dereference a...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the AMD nested virtualization SVM feature of the KVM. A malicious L1 guest could intentionally fail to intercept the shutdown of a cooperative nested guest L2, potentially causing a page fault and kernel panic in the host L0...

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

A flaw was discovered in the Linux kernel’s NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packets when using NVMe over TCP. This can lead to the NVMe driver dereferencing a NULL pointer, resulting in kernel panic and a denial of service...

Astra Linux – Vulnerability in Linux 5.15

The following vulnerability has been resolved in the Linux kernel: btrfs: fixed an issue with the tree mod log handling of reallocated nodes. We have observed the following panics in production: - Kernel bug at fs/btrfs/tree-mod-log.c:677! - Invalid opcode: 0000 1 SMP - RIP:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to perform a sanity check on the inlinedots inode. As Wenqing reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215765 This issue causes a kernel panic when performing the following actions: -...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handles PLTs. Sometimes it is necessary to use a PLT entry to call a ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, both of which have almost identical logic. However, this is...

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

A flaw was discovered in the Linux kernel’s NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packets when using NVMe over TCP. This can lead to the NVMe driver dereferencing a NULL pointer, resulting in kernel panic and a denial of service...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Firmware: dmi-sysfs: Fixed a null-ptr-deref issue in dmisysfsregisterhandle. KASAN reported a null-ptr-deref error: KASAN: Null-ptr-deref in the range 0x0000000000000008-0x000000000000000f. CPU: 0; PID: 1373; Comm: modprobe...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath10k: avoiding NULL pointer errors during sdio removal When running ‘rmmod ath10k’, ath10ksdioremove will free the sdioworkqueue by calling destroyworkqueue. However, if CONFIGINITONFREEDEFAULTON is set to yes, a kernel...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdkfd: Fixed a kernel panic that occurred when the reset attempt failed and was triggered again. In SRIOV configuration, the reset may fail to restore the ASIC to normal, but the cpsch function has already been called...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Fixed a kernel panic that occurred when removing a non-standard SDIO card. The SDIO tuple is only allocated for standard SDIO cards. Non-standard SDIO cards can cause memory corruption issues when they are removed. Thi...