Astra Linux - уязвимость в linux-5.15

A NULL pointer dereference flaw was discovered in the Linux kernel’s KVM module. This flaw can lead to a denial of service in the x86emulateinsn function in arch/x86/kvm/emulate.c. The flaw occurs when an illegal instruction is executed on the guest CPU of the Intel model...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Ensure that objs is not NULL in virtiogpuarrayputfree. If virtiogpuobjectshmeminit fails e.g., due to fault injection, as happened in the bug report by syzbot, virtiogpuarrayputfree might be called with objs being NUL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ptdma: A check for a null descriptor is performed before calling ptcmdcallback. This issue resolves a panic that can occur on AMD systems, typically during host shutdown, after the PTDMA driver has been exercised. The...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rtc: mt6397: Check the return value after calling platformgetresource. This could lead to a null-ptr-deref issue if platformgetresource returns NULL. Therefore, we need to check the return value...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: Processor: Idle: Check the return value of acpiFetchAcpiDev. The return value of acpiFetchAcpiDev can be NULL, which could lead to a NULL pointer dereferencing in acpiDeviceHid. rjw: Subject and changelog edits, added an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: checking the return value after calling platformgetresource. This will cause a null-ptr-deref if platformgetresource returns NULL; therefore, we need to check the return value...

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: net: lltemac: The function platformgetresource was replaced with the function devmplatformioremapresourcebyname. This replacement affects the call using 0 as the resource name. This ultimately leads to a null pointer in the strcm...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: w83792d Fixed NULL pointer dereferencing by removing unnecessary structure fields. If the driver reads a value that is sufficient for the condition: val & 0x08 && !val & 0x80 && val & 0x7 == val 4 & 0x7 then NULL pointe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: Fixed a NULL pointer dereferencing in -remove. The drvdata parameter must be set in probe; otherwise, platformgetdrvdata causes a NULL pointer dereferencing bug in remove...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Thermal: Core – Fix for NULL pointer dereferencing in TZGETTRIP. Do not call gettriphyst from thermalgenlcmdtzgettrip if the thermal zone does not define such a function...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/cs: Commands with 0 chunks result in illegal behavior. Submitting a CS with 0 chunks causes an oops; this issue was discovered while attempting to execute the wrong user space driver. MESALOADERDRIVEROVERRIDE=v3d glxin...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mfd: davincivoicecodec: Fixed a possible nullptrderef issue in davincivcprobe. This issue could lead to a nullptrderef when using ‘res’. If platformgetresource returns NULL, moving using ‘res’ after devmioremapresource will preve...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: core: A possible null-ptr-deref issue has been fixed in shpfcmapresources. This issue could occur when using the res function, if platformgetresource returns NULL. To prevent this, move the usage of res after...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: spi: spi-fsl-qspi: check return value after calling platformgetresourcebyname This issue could lead to a null-ptr-deref error if platformgetresourcebyname returns NULL. Therefore, we need to check the return value...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fixed the issue of null pointer dereferencing of the pointer perfmon. In the unlikely event that the pointer perfmon is null, the WARNON function is called after the pointer has already been dereferenced. This issue is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: rt711-sdca – fixed a situation where the kernel’s NULL pointer was dereferenced due to an IO error. The initial settings will be written before the codec probe function is executed. However, the rt711-component has not yet...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fixed a race condition between ufshcdmcqabort and the ISR. If a command timeout occurs and the cq complete IRQ is raised at the same time, ufshcdmcqabort clears the lprb-cmd, and a NULL pointer dereferencing occu...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw89 – Fix for null pointer access when aborting scanning. During the cancellation of scanning, we might use vifs that were not actually scanning. This issue was fixed by using the actual vifs that are involved in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clk: mmp: pxa1908-apbc – Fixed the issue where NULL values were returned instead of an ISERR error. The devmkzalloc function now returns NULL when an error occurs, rather than error pointers. The check has been corrected...

Astra Linux - уязвимость в linux-5.15

In the Linux kernel, the following vulnerabilities have been resolved: tty: fixed a possible nullptrdefer issue in spkttyiorelease. Run the following tests on the qemu platform: syzkaller: modprobe speakupaudptr input: Speakup as /devices/virtual/input/input4 initialized device: /dev/synth, node...