Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fixed an infinite loop in attrloadrunsrange when there are inconsistencies in metadata. We have identified a bug in the ntfs3 file system where a malformed NTFS image can cause an infinite loop. This occurs when an...

Astra Linux – Vulnerability in isc-dhcp

In ISC DHCP 4.4.0 - 4.4.3, and ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addOption, it increments the refcount field of the option. However, there is no corresponding call to optiondereference to decrement the refcount field. The function addOptio...

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: btrfs: The release path is checked before inode lookup during the ino lookup ioctl operation. During the ino lookup ioctl operation, we may call btrfsiget to obtain an inode reference while we are holding a reference to the...

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

In the Linux kernel, the following vulnerability has been resolved: ARM: ep93xx: Added a terminator to gpiodlookuptable. Without this terminator, if a conid is passed to gpiofind, and the conid does not exist in the lookup table, the function will not stop looping correctly, potentially leading t...

Astra Linux – Vulnerability in gdcm

There is a heap-based buffer overflow vulnerability in the LookupTable::SetLUT functionality of Mathieu Malaterre Grassroot DICOM 3.0.23. A specially crafted, malformed file can lead to memory corruption. An attacker can provide a malicious file to exploit this vulnerability...

Astra Linux – Vulnerability in cups

OpenPrinting CUPS is a standards-based, open-source printing system for Linux and other Unix-like operating systems. Starting from version 2.0.0 and before version 2.4.6, CUPS logged data from free memory to the logging service after the connection was closed. This should have happened just befor...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fixed a out-of-bounds behavior when dealing with 0 MW LUTs. The number of MW LUTs depends on the NTB configuration and can be set to zero. In such cases, rounddownpowoftwo will cause undefined behavior and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: cachefiles: Fixed the dentry leak in cachefilesopenfile. A dentry leak may occur when a lookup cookie and a cull operation are performed concurrently. P1 | P2 -----------------------------------------------------------...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: Radiotap: Reject Radiotap with unknown bits The Radiotap parser is currently only used with the radiotap namespace not with vendor namespaces. However, if the undefined field 18 is used, the alignment/size of the data is al...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fixed the rxrpclocal leak in rxrpclookuppeer. It is necessary to call rxrpcPutlocal for the peer candidate before kfree, as it holds a reference to rxrpclocal. DH: v2: The peer freeing code has been abstracted into a...

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

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fixed invalid address access in lookuprec when the index is 0. KASAN reported the following issue: BUG: KASAN: use-after-free in lookuprec A read of size 8 at the address ffff000199270ff0 was performed by the task modprob...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was performing a socket lookup, taking a reference count of the socket. It w...

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

In the Linux kernel, the following vulnerabilities have been resolved: llc: Support for ETHPTR8022 has been removed. The syzbot reported a bug related to uninit-values. 0 llc previously supported ETHP8022 0x0004 and also ETHPTR8022 0x0011. The syzbot exploited this to trigger the bug. The code us...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable – incorrect pppoe tuple PPPoE traffic that reaches the ingress path does not match the flowtable entry because the pppoe header is expected to be at the network header offset. This bug causes a mismatch in th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a reference count leak when an invalid session is found during session lookup. When a session is found, but its state is not SMB2SESSIONVALID, it indicates that no valid session was found. However, the reference coun...

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

A hash collision flaw was discovered in the IPv6 connection lookup table within the Linux kernel’s IPv6 functionality. This flaw occurs when a user carries out a new type of SYN flood attack. A user located within the local network or with a high-bandwidth connection can cause the CPU usage of th...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the race condition issue caused by session lookup and expiration. The session reference count was incremented within the lock during the lookup operation, thereby avoiding the race condition related to session...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a null-ptr-deref issue in inode-iop in ntfslookup. Syzbot reported a null-ptr-deref bug: ntfs3: loop0: The sector size of NTFS is 1024, while the media sector size is 512. ntfs3: loop0: Marking the volume as...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: uhci: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: bcm63xxudc: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must be processed by calling dput; otherwise, a memory leak will occur over time. To simplify things, simply call...