Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Firmware: dmi-sysfs: Fixed a memory leak in dmisysfsregisterhandle. kobjectinitandadd takes a reference even when it fails. According to the documentation for kobjectinitandadd: If this function returns an error, kobjectput mu...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: The commit test for ctx always results in memory deallocation. The damonctx used to test online DAMON parameters commits inputs only after the test fails. This means that memory is leaked for every successful onli...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: The block operation involving GFPNOIO around the sysfs-store function. The sysfs-store function is called with the queue frozen. Meanwhile, there are several -store callbacks such as updatenrrequests, wbt, scheduler that use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: block: fixed a memory leak in diskregisterindependentaccessranges. The kobjectinitandadd function takes a reference even when it fails. According to the documentation for kobjectinitandadd: If this function returns an error,...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: hwmon: coretemp Check for null before removing sysfsattrs. If coretempaddcore encounters an error, pdata-coredataindx is already NULL and has been freed. Do not pass this value to sysfsremovegroup, as it will cause a crash in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: fixed the issue of parameter context leaks during the damonsysfsnewtestctx function failure. Patches in the series “mm/damon/sysfs: fixed memory leaks and NULL pointer dereferencing issues”, version 4. DAMONSYSFS...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: GPIO: sysfs: fix the issue where removing a chip with GPIOs exported through sysfs occurs. Currently, if we export a GPIO through sysfs and unbind the parent GPIO controller, the exported attribute will remain under...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Counter: rz-mtu3-cnt: prevents the counter from being toggled multiple times The runtime PM counter is incremented/decremented each time the sysfs enable file is written to. If a user writes 0 to the sysfs enable file multiple...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ubifs: A memory leak was fixed in ubifssysfsinit. When using insmod ubifs.ko, a kmemleak was reported as follows: Unreferenced object: 0xffff88817fb1a780 size 8 Source: comm "insmod", pid 25265, jiffies 4295239702 age 100.130s He...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: md: initbioset in mddevinit. IO operations may be required before mdrun, such as updating metadata after writing to sysfs. Without bioset, this triggers a NULL pointer dereference, as shown below: BUG: NULL pointer dereference in...

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

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: removed the callcontrol in inactive contexts. If the damoncall function is executed against a DAMON context that is not running, the function returns an error while keeping the damoncallcontrol object linked to the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: amdgpu/pm: prevented array underflow in vega20odneditdpmtable In the PPODEDITVDDCCURVE case, the “inputindex” variable is capped at 2, but its negative values are not checked, resulting in an out-of-bounds read. This value comes...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixing the lifetime of the sysfs interface The current nilfs2 sysfs support has issues with the timing of the creation and deletion of sysfs entries. This may lead to null pointer dereferences, use-after-free errors, a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: block: Fixed a potential deadlock in blkiarangesysfsshow When reading a sysfs attribute, the attribute is already protected against removal due to the active reference counter of the kobject node. As a result, in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: The code checks contexts-nr before accessing contextsarr0. Multiple sysfs command paths dereference contextsarr0 without first verifying that kdamond-contexts-nr == 1. A user can set nrcontexts to 0 via sysfs whil...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net-sysfs: added a check to ensure netdevice is present before using speedshow. When disabling the netdevice or during system shutdown, a panic may occur when accessing the sysfs path, because the device has already been removed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix data race in CPU latency PM QoS request handling The cpulatencyqosadd/remove/updaterequest interfaces lack internal synchronization by design, requiring the caller to ensure thread safety. The current...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: coresight: ETR: Fixed the “use-after-free” issue related to ETR buffer usage When ETR is enabled as CSMODESYSFS, if the buffer size is changed and the feature is re-enabled, currently, sysfsbuf will point to the newly allocated...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: firmwareloader: A memory leak was fixed in the firmware upload process. In the case of firmware-upload, an instance of the struct fwUpload structure is allocated in firmwareUploadRegister. This memory must be freed in...