Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: A possible memory leak in mISDNregisterdevice has been fixed. After committing 1fa5ae857bb1 "driver core: get rid of struct device’s busid string array", the name of the device is allocated dynamically. The putdevice...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mdio: fixed an undefined behavior in bit shifting for mdiobusregister. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning appears as follows:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: vdpasim: A possible memory leak was fixed in vdpasimnetinit and vdpasimblkinit. When a fault is injected while probing a module, if deviceregister fails in vdpasimnetinit or vdpasimblkinit, and the refcount of kobject is not...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed the masking negation logic when dealing with a negative dst register. The negation logic for the case where the offreg is stored in the dst register is incorrect; therefore, we cannot simply invert the addition operati...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clk: hisilicon: hi3559a: A mistake in the devmkfree function has been fixed. pclk is an array allocated just before the for loop for all clk elements that need to be registered. It is incremented at each loop iteration. If a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix possible memleak when register 'hctx' failed There's issue as follows when do fault injection test: unreferenced object 0xffff888132a9f400 size 512: comm "insmod", pid 308021, jiffies 4324277909 age 509.733s hex dump...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: A possible memory leak has been fixed in ibmebusbusinit. If deviceregister returns an error in ibmebusbusinit, the name of the kobject allocated by devsetname which is called in deviceadd may be leaked. According...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: core: fix memleak in iiodeviceregistersysfs When iiodeviceregistersysfsgroup fails, we should free iiodevopaque-chanattrgroup.attrs to prevent potential memleak...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: regulator: core: Fix resource leak in regulatorregister I received some reports of resource leaks during fault injection tests: - ERROR: Memory leak; expected refcount 1 instead of 100 - ofnodeget/ofnodeput unbalanced – destro...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: thermal/core: A memory leak was fixed in thermalcoolingdeviceregister. I encountered a memory leak during the fault injection test. The unreferenced object is: 0xffff888010080000 size: 264312. The details of the memory leak are a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Fixed an issue where corrupted data was written to the “hist” field, potentially affecting the “namedTriggers” list. The following commands cause a crash: cd /sys/kernel/tracing/events/rcu/rcucallback echo...

Astra Linux – Vulnerability in amd64-microcode

Improper validation in a model-specific register MSR could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution...

Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in the Linux kernel for PowerPC before version 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to a bug in the implementation of arch/powerpc/kvm/book3shvrmhandlers.S, which handles the values of the SRR1 register...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: serial: amba-pl011: avoid SBSA UART accessing the DMACR register The chapter “B Generic UART” in “ARM Server Base System Architecture” 1 describes a generic UART interface. Such a generic UART does not support DMA. In current cod...

Astra Linux – Vulnerability in Composer

Composer is a dependency manager for PHP. Users who publish a composer.phar file to a publicly accessible web server where the file can be executed as a PHP file may be subject to a remote code execution vulnerability if PHP also has registerargcargv enabled in php.ini. Versions 2.6.4, 2.2.22, an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Fixed PM usagecount for console handover When the console is enabled, univ8250consolesetup calls serial8250consolesetup before .dev is set to uartport. As a result, pmruntimegetsync will not be called. Later, when t...

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

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: fix in setting the fpc register The function kvmarchvcpuioctlsetfpu allows for setting the floating-point control fpc register of a guest CPU. The new value is validated by temporarily loading it into the fpc register...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: Avoid using the nfcthelperhash after the free operation. If the nfconntrackinitstart function fails e.g., due to a registernfconntrackbpf failure, the nfconntrackhelperfini cleanup routine frees the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clk: samsung: A memory leak has been fixed in samsungclkregisterpll. If clkregister fails, @pll-ratetable may have allocated memory using kmemdup. Therefore, that memory needs to be freed. Otherwise, a memory leak issue will occu...

Astra Linux – Vulnerability in Intel Microcode

Incomplete cleanup in specific special register read operations for some IntelR processors may allow an authenticated user to potentially enable information disclosure via local access...