Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: Release buffer when fbcondosetfont fails. syzbot is reporting a memory leak at fbcondosetfont, for the commit a5a923038d70 “fbdev: fbcon: Properly revert changes when vcresize fails”. It was overlooked that the buff...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: caif: A memory leak has been fixed in cfctrllinkuprequest. When linktype is unknown, or kzalloc fails in cfctrllinkuprequest, pkt is not released. Add a release process to the error handling logic...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: A double-free operation in siparsepowertable has been fixed. In the function siparsepowertable, the array adev-pm.dpm.ps and its members are allocated. If the allocation of each member fails, the array itself is freed...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/vaddr-test: A memory leak was fixed in damondotestapplythreeregions. When CONFIGDAMONVADDRKUNITTEST=y, and CONFIGDEBUGKMEMLEAK=y as well as CONFIGDEBUGKMEMLEAKAUTOSCAN=y, the aforementioned memory leak is detected. Since...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: fec: fixed the potential memory leak in fecenetinit. If the memory allocated for cbdbase fails, it should free the memory allocated for the queues; otherwise, a memory leak will occur. And if the memory allocated for the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Another memory leak has been fixed in the error handling paths. The memory allocated by vmbusallocring at the beginning of the probe function is never freed during the error handling process. The missing vmbusfreeri...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: vlan: Fixed an issue where the refcount imbalance of VLAN 0 occurred during runtime, due to toggling filtering. Assuming the “rx-vlan-filter” feature is enabled on a network device, the 8021q module will automatically add...

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

In the Linux kernel, the following vulnerability has been resolved: um: vector: Fixed a memory leak in vectorconfig. If the return value of the umlparsevectorifspec function is NULL, we should call kfreeparams to prevent the memory leak...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: capabilities: Fixed a potential memory leak on the error path from vfsgetxattralloc. In capinodegetsecurity, we will use vfsgetxattralloc to complete the memory allocation of tmpbuf. If we have completed the memory allocation of...

Astra Linux – Vulnerability in dcmtk

DCMTK’s version 3.6.6 does not handle memory release properly. The memory allocated for storing all file information is stored in a global variable called LST, and this memory is not released properly. Making specific requests to the dcmqrdb program can lead to a memory leak. An attacker can use...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: caif: fixed a memory leak in cfusbldevicenotify. In the event of a failure in caifenrolldev, the allocated linksupport will not be assigned to the corresponding structure. Therefore, simply free the allocated pointer in case...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfsd: calls oprelease, even when opfunc returns an error. For operations with “trivial” responses, nfsd4encodeoperation will shortcut most of the encoding process and simply proceed to marshaling the status. One of the things it...

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

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath9k: hifusb: Fixed a memory leak related to remainskbs. The hifdev-remainskb is allocated and used exclusively in ath9khifusbrxstream. It is implied that an allocated remainskb is processed and then freed in error-pron...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: seccomp: Move copyseccomp to the no-failure path. Our syzbot instance reported memory leaks in doseccomp, similar to the reports 1. This indicates that we are failing to properly free the struct seccompfilter and some objects...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

There are use-after-free vulnerabilities in the net/bluetooth/l2capcore.c files, specifically in the l2capconnect and l2capleconnectreq functions. These vulnerabilities may allow code execution and the leakage of kernel memory remotely via Bluetooth. A remote attacker can execute code that leaks...

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

In the Linux kernel, the following vulnerability has been resolved: net: usb: qmiwwan: fix a memory leak for non-IP packets. Free the unused skb objects when no non-IP packets arrive...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: A memory leak has been fixed in error handling paths. If the vmbusestablishgpadl function fails, the recv|sendgpadl functions will not be updated, and the hvuiocleanup function in the error handling path will not be...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Clean up the hook list when the offload flag check fails Resuspend the hook list so that nftchainreleasehook has a chance to release the hooks. BUG: Memory leak Unreferenced object 0xffff88810180b100 size...

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: ACPI: processoridle: A memory leak was fixed in acpiprocessorpowerexit. After unregistering the CPU idle device, the memory associated with it wasn’t freed, resulting in a memory leak: unreferenced object 0xffff896282f6c000 size...

Astra Linux – Vulnerability in Linux, Linux 5.10

A memory leak flaw was discovered in the Linux kernel within the ccprunaesgcmcmd function in drivers/crypto/ccp/ccp-ops.c. This flaw allows attackers to cause a denial of service attack due to excessive memory consumption. This vulnerability is similar to the older CVE-2019-18808...