Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Clean up the handling of hash operations when registers fail. The following GPF errors occur when registerftracedirect fails: General protection fault, likely due to a non-canonical address \ 0x200000000000010: 0000 1...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU implementation of VMWare’s paravirtual RDMA device in versions prior to 6.1.0. The issue occurs when handling a “PVRDMAREGDSRHIGH” write from the guest, and it may result in a crash of QEMU or cause undefined behavior due to the access of an uninitialized pointer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ena: Fixed error handling in enainit. The enainit function no longer destroys the workqueue created by createsinglethreadworkqueue when pciregisterdriver fails. Instead, call destroyworkqueue when pciregisterdriver fails to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ptp: A possible memory leak has been fixed in ptpclockregister. I encountered a memory leak during the fault injection test. The affected object is as follows: 0xffff88800906c618 size: 8 bytes: comm "i2c-idt82p33931", pid 4421,...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpci: fix of node refcount leak in tcpciregisterport I encountered the following issue while performing the device mt6370-tcpc load test with CONFIGOFUNITTEST and CONFIGOFDYNAMIC enabled: ERROR: Memory leak; the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save the CS register in cases of AMD Zen IF Poison errors. The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC for errors related to poison consumption. Therefore,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: idpf: checked for errors when calling registernetdev in init. The current init logic ignores the error code from registernetdev. This could lead to a WARNON message when attempting to unregister the device, if such an attempt...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NTB: Fixed a possible name leak in ntbregisterdevice. If deviceregister fails in ntbregisterdevice, the device name allocated by devsetname should be freed. According to the comment in deviceregister, callers should use putdevice...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nvmem: core: Fixed a memory leak in nvmemregister. In nvmemsetname, memory will be allocated for nvmem-dev.kobj.name during nvmemregister. When nvmemvalidatekeepouts fails, nvmem’s memory will be freed, but no one will free the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Check instead of asserting on nested TSC scaling support Check for nested TSC scaling support on nested SVM VMRUN instead of asserting that TSC scaling is exposed to L1 if L1’s MSRAMD64TSCRATIO has diverged from KVM’s...

Astra Linux – Vulnerability in xorg-server

A flaw was discovered in xorg-x11-server in versions prior to 21.1.2 and prior to 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The greatest threat posed by this vulnerability is related to data confidentiality and integrity, as well as system availability...

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

In the Linux kernel, the following vulnerability has been resolved: DM integrity: Error in the call to kmemcachedestroy in dmintegrityinit. Otherwise, the journaliocache will be leaked if dmregistertarget fails...

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: Media: edia: dvbdev: fixed a use-after-free issue. In dvbregisterdevice, pdvbdev is set to equal dvbdev, which is freed in several error-handling paths. However, pdvbdev is not set to NULL after dvbdev’s deallocation, resulting i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/eprobes: Do not allow eprobes to use $stack, or % for regs While working with event probes eprobes, I tried to see what would happen if I attempted to retrieve the instruction pointer %rip knowing that event probes do not...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cxl: fixed a possible null-ptr-deref in cxlPCIinitafu|adapter. If deviceRegister fails in cxlPCIafu|adapter, the device is not added. In such cases, deviceUnregister cannot be called in the error path; otherwise, a null-ptr-deref...

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: KVM: SVM – Flushing pages under kvm-lock to fix a Use-After-Free error in svmregisterencregion It is necessary to flush the cached pages in svmregisterencregion before releasing kvm-lock to address use-after-free issues. In such...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drivers: dio: A possible memory leak has been fixed in dioinit. If deviceregister returns an error, the dev object and its associated name need to be freed. Add a release function, and then call putdevice in the error handling...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 5.10

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fixed the initialization of the device object in vmbusdeviceregister. Initialized the device’s dmamask,parms pointers and the device’s dmamask value before invoking deviceregister. This issue was addressed in...

Astra Linux – Vulnerability in Linux 5.10, Linux

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...