Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clk: imx: scu: fix memleak on platformdeviceadd fails No error handling is performed when platformdeviceadd fails. Error processing should be added before returning from the function, and the return value has been modified...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: fix list double add in uvcgvideopump A panic may occur if the endpoint becomes disabled, and uvcgvideopump adds the request back to the reqfree list after it has already been queued to the endpoint. The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fixed the potential use-after-free in slabdebugfsfops. When sysfsslabadd fails, we should not call debugfsslabadd for s, because s will be freed soon. Moreover, slabdebugfsfops will use s later, leading to a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: mmc: vub300 – Fixed the return value check in mmcaddhost. If we ignore the return value of mmcaddhost, the memory allocated in mmcallochost may be leaked, leading to a kernel crash due to the removal of devices that were not...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fixed the use of “free” after memory allocation in emspcmciaaddcard. If the last channel is not available, then “dev” is freed. Fortunately, we can simply use “pdev-irq” instead. We also should check whether at leas...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed an assertion issue when starting the balance operation. The use of “exclusive” status for balance operations is compatible with paused balance and device addition. However, this complicates certain situations. The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Added preemptcountsub,add to the btf id deny list. The recursion checks in bpfprogenter and bpfprogexit leave preemptcountsub,add unprotected. When using trampolines for them, a panic occurs as follows: 867.843050 BUG: Th...

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

In the Linux kernel, the following vulnerability has been resolved: ubi: A possible null-ptr-deref occurred in ubifreevolume. This issue will occur in the following scenario: uifinit ubiaddvolume cdevadd – If this function fails, it will call killvolumes. deviceregister killvolumes – If...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: mxcmmc: Fix the return value check in mmcaddhost. mmcaddhost may return an error. If we ignore its return value, the memory allocated by mmcallochost will be leaked, leading to a kernel crash due to the removal of devices...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In mm/hugetlb, do not call vmaaddreservation when ENOMEM occurs. sysbot reported a segmentation fault 1 in unmaphugepagerange. This occurs because vmaneedsreservation may return -ENOMEM if allocatefileregionEntries fails to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: DPCM: Do not pick up BE without a substream When DPCM attempts to establish valid BE connections using dpcmaddpaths, it does not check whether the selected BE actually supports the given stream direction. As a result, when ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: mmc: alcor: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, the memory allocated in mmcallochost will be leaked, leading to a kernel crash due to the remov...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: mmc: via-sdmmc: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, it will cause two issues: 1. The memory allocated in mmcallochost may be leaked. 2. In the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fixed possible resource leaks in mpt3sastransportportadd. In mpt3sastransportportadd, if sasrphyadd returns an error, sasrphyfree must be called to free the resources allocated in sasenddevicealloc. Otherwise, a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ata: libata-transport: fixed error handling in atatlinkadd In atatlinkadd, the return value of transportadddevice is not checked. As a result, a nullptrdereference exception occurs when removing the module, because...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mmc: moxart: Fix the return value check in mmcaddhost. mmcaddhost may return an error. If we ignore its return value, the memory allocated by mmcallochost will be leaked, leading to a kernel crash due to the removal of devices th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm: Don’t spin in addstackrecord when gfp flags don’t allow. The syzbot tool was able to identify the following functions: addstackrecordtolist in mm/pageowner.c:182 inline incstackrecordcount in mm/pageowner.c:214 inline...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisysfs: Fixed an issue where the function deviceadd was called multiple times. The function deviceadd should not be called multiple times, as stated in its documentation: “Do not call this routine or deviceregister...

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: scsi: snic: Fixed a possible memory leak if deviceadd fails. If deviceadd returns an error, the name allocated by devsetname needs to be freed. As noted in the comments for deviceadd, putdevice should be used to release the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Class: A possible memory leak in classregister has been fixed. If classaddgroups returns an error, the cp-subsys needs to be unregistered, and the cp needs to be freed. We cannot call ksetunregister here, because the cls will be...