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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a kernel-infoleak in nilfsioctlwrapcopy The ioctl helper function nilfsioctlwrapcopy, which exchanges a metadata array to/from user space, may copy uninitialized buffer regions to user space memory for read-only ioc...

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

In the Linux kernel, the following vulnerability has been resolved: qed/qedsriov: protection against NULL references from qediovgetVFInfo. We must ensure that the information returned by the helper function is valid before using it. This issue was detected by the Linux Verification Center...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for null-ptr-deref in ext4writeinfo I identified a bug involving null-ptr-deref as follows: ========================================== KASAN: null-ptr-deref in range 0x0000000000000068-0x000000000000006f CPU: 1 PID: 158...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: cacheinfo: Fixed the incorrect assignment of a signed error value to unsigned fwlevel. Although the acpifindlastcachelevel function always returns a signed value, and the documentation states that it will return any errors...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed the error in the length of the VALIDATENEGOTIATEINFO message. The commit code d5c7076b772a includes the following changes: - Added smb3.1.1 to the default dialect list. - Extended the number of dialects from 3 to 4. -...

Astra Linux – Vulnerability in binutils

A vulnerability has been identified in GNU Binutils 2.43/2.44 and is classified as problematic. The vulnerability affects the displayinfo function in the binutils/bucomm.c file, which is part of the objdump component. This vulnerability causes a memory leak. An attack must be approached locally...

Astra Linux – Vulnerability in curl

libcurl provides the CURLOPTCERTINFO option to allow applications to request details about a server’s certificate chain. Due to a faulty function, a malicious server could cause libcurl, built with NSS, to get stuck in an endless busy-loop when attempting to retrieve that information...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mt76: Fixed a use-after-free by removing a non-RCU wcid pointer. This fix addresses an issue detected by KASAN regarding use-after-free in mt76txqschedule. This was done by protecting mtxq-wcid with rculock between...

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: btrfs: Do not trigger BUGON due to ENOMEM from btrfslookupextentinfo in walkdownproc. We have properly handled errors here. ENOMEM is not fatal; we return the error instead...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3 – A buffer overflow vulnerability may occur when reading coalesce info via debugfs. The hns3 driver defines an array of strings to store coalesce info. However, if the kernel introduces a new mode or state, a buffer...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Zoned – Initialize the zone info of the device for seeding. When performing seeding on a zoned filesystem, it is necessary to initialize the btrfszoneddeviceinfo structure of each zoned device. Otherwise, mounting the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gianfar: ethtool: Fixed a refcount leak in gfargettsinfo The offindcompatiblenode function returns a node pointer with the refcount incremented. We should use ofnodeput on it after processing. Also, add the missing ofnodeput to...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tty: Fixed out-of-bound access to vmalloc in imageblit. This issue occurs when a user-space program calls ioctl FBIOPUTVSCREENINFO, passing the fbvarscreeninfo structure containing only the fields xres, yres, and bitsperpixel wit...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ath9khtc: fixed uninitialized values issues Syzbot reported 2 KMSAN bugs in ath9k. All of these bugs are caused by missing field initialization. In htcconnectservice, svcmetalen and pad are not initialized. Based on the code, ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fixed an out-of-bounds shift in the group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw occurs during the handling of the SMB2TREECONNECT and SMB2QUERYINFO commands. The issue arises from the lack of proper validation of a pointer before accessing it. An...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Firmware: armscpi: Ensure that scpiinfo is not assigned if the probe fails. When the scpi probe fails at any point, we need to ensure that scpiinfo is not set and will remain NULL until the probe succeeds. If this issue is not...

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: openvswitch: Use RCU protection in ovsvportcmdfillinfo. ovsvportcmdfillinfo can be called without RTNL or RCU. Use RCU protection and devnetrcu to avoid potential UAF Use-After-Free errors...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, testrun: Fixed an alignment issue in bpfprogtestrunskb. We encountered a syzkaller issue due to an alignment fault for aarch64 architectures when KFENCE is enabled. When the size provided by the user’s bpf program is an o...

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

In the Linux kernel, the following vulnerabilities have been resolved: hfs: fixed the issue where fields of hfs inodeinfo were initialized after hfsallocinode Syzbot reports an issue with accessing uninitialized values as follows: loop0: detected a change in capacity from 0 to 64...