Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/slabcommon: The corruption of the slabcaches list after kmemcacheDestroy has been fixed. After the commit in “Fixes”, if a module that creates a slab cache does not release all of its allocated objects before destroying the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables – There is a possibility of module reference underflow in the error path. When nftexprclone fails, dst-ops is set. However, the module reference count has not been updated yet. As a result, nftexprdestroy...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: cx25821: Fixed the warning when removing the module When removing the module, the following warning will appear: 14.746697 removeprocentry: Removing the non-empty directory ‘irq/21’; data is being leaked at least from...

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

In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Do not wait in vain when unloading the module. There is a race condition in the module exit path, where both deleting all controllers and freeing the “leftover IDs” occur simultaneously. To prevent double-freeing, a...

Astra Linux – Vulnerability in dcmtk

In DCMTK, versions prior to 3.6.9 have a segmentation fault due to an invalid DIMSE message...

Astra Linux – Vulnerability in lxml

A XSS vulnerability was discovered in the python-lxml’s clean module versions prior to 4.6.3. When the “safe attrsonly” and “forms” arguments are disabled, the Cleaner class does not remove the “formaction” attribute, allowing JavaScript to bypass the sanitizer. A remote attacker could exploit th...

Astra Linux – Vulnerability in Ansible

A flaw was discovered in Ansible Engine 2.9.18, where sensitive information is not masked by default, and the nolog feature is not protected when using the sub-option feature of the basic.py module. This flaw allows an attacker to obtain sensitive information. The greatest threat posed by this...

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

In the Linux kernel, the following vulnerability has been resolved: mtd: Fixed a NULL pointer dereferencing issue caused by the ftl notifier. If both ftl.ko and gluebi.ko are loaded, the ftl notifier triggers a NULL pointer dereferencing when attempting to access ‘gluebi-desc’ in gluebiread. In t...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken every time it was used, but it was only released once, when the final reference to the tty struct was removed. This issue was fixed by taking t...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: atm: iphase: fixed a possible use-after-free in iamoduleexit The remove function of this module calls deltimer. However, that function does not wait for the timer handler to finish. This means that the timer handler may still be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix tcpinittransfer so that icskcainitialized is not reset. This commit fixes a bug identified by syzkaller that could cause spurious double-initializations for congestion control modules. This could lead to memory leaks or...

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

In the Linux kernel, the following vulnerabilities have been resolved: kprobes: Fixed a possible use-after-free issue during kprobe registration. When unloading a module, its state changes from MODULESTATELIVE to MODULESTATEGOING, and then to MODULESTATEUNFORMED. Each of these changes takes some...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: brd: Automatic disk creation is deferred until module initialization succeeds. My colleague Wupeng identified the following issues during fault injection: BUG: Unable to handle page faults for address: fffffbfff809d073 PGD:...

Astra Linux – Vulnerability in glibc

The deprecated compatibility function clntcreate in the sunrpc module of the GNU C Library also known as glibc from versions up to 2.34 copies its hostname argument onto the stack without validating its length. This may lead to a buffer overflow, potentially causing a denial of service or, if the...

Astra Linux – Vulnerability in linux-astra-modules-5.4, linux-astra-modules-5.10

The vulnerability of the pdplPut function in the linux-astra-modules kernel module is related to the assignment of a null pointer. Exploiting this vulnerability allows an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tpm: use trygetops in tpm-space.c As part of the series of changes to remove nested TPM operations: https://lore.kernel.org/all/[email protected]/ The exposure of the chip-tpmmutex was removed...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: block, bfq: do not move oombfqq Our test report a UAF: 2073.019181 ================================================================== 2073.019188 BUG: KASAN: use-after-free in bfqputbfqq+0xa0/0x168 2073.019191 Written a size 8...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Always initialize struct msghdr completely. syzbot reports that the value of msg-msggetinq may be uninitialized 1. The struct msghdr has many new fields recently. We should always ensure that their values are zero by...

Astra Linux – Vulnerability in Samba

The Samba vfsfruit module utilizes extended file attributes EA, xattr to enhance compatibility with Apple SMB clients and interoperability with Netatalk 3 AFP file servers. Samba versions prior to 4.13.17, 4.14.12, and 4.15.5, when vfsfruit was configured, allowed out-of-bounds heap read and writ...

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

In the Linux kernel, the following vulnerability has been resolved: USB: Roles – Fixed NULL pointer issue when referencing the module’s reference. In the current design, the USB role class driver will obtain a reference to the module of the usbroleswitch object after the user selects the...