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: nfsd: Clearing aclaccess/acldefault after releasing them If the attempt to get acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Fixed the startup race issue with nsfd again. The commit bd5ae9288d64 "nfsd: register pernet ops last, unregister first" re-opened the race in rpcpipefsevent, which was related to the registration of nfsdnetid using...

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

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed an UAF in svctcplistendataready After the listener svcsock is freed, and before invoking svctcpaccept for the established child sock, there is a window during which the newsock may retain the freed listener svcsock ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed a use-after-free issue in Kerberos authentication. The introduction of sess-user = NULL was necessary to fix the dangling pointer created by ksmbdfreeuser. However, it is possible that another thread might be...

Astra Linux – Vulnerability in docker.io-app

Moby is an open-source container framework. Prior to version 29.3.1, a security vulnerability was detected that allowed for bypassing the privilege validation process during Docker plugin installation. Due to an error in the daemon’s privilege comparison logic, the daemon might incorrectly accept...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: MAC comparisons need to be performed in constant time. To prevent timing attacks, MAC comparisons must be done in constant time. Replace the memcmp function with the correct function, cryptomemneq...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Cleanup of potential nfsdfile refcount leaks in the COPY code path. There are two different versions of the nfsd4copy structure. One is embedded within the compound structure and is used directly in synchronous copies. T...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: Do not ignore the return code of svcprocregister. Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the creation of the procfile fails, the kernel will issue a WARN when it attempts to remove the...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel. A race condition between the smb2 close operation and logoff in multi-channel connections could lead to a use-after-free issue...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in the Linux kernel before version 6.3.8. The file fs/smb/server/smb2pdu.c in ksmbd contains an integer underflow and an out-of-bounds read during the deassemblenegcontexts function...

Astra Linux – Vulnerability in Ceph

Ceph is a distributed object, block, and file storage platform. In versions up to and including 19.2.3, using the x-amz-copy-source argument to copy an object and specifying an empty string as its content resulted in the RGW daemon crashing, leading to a DoS attack. As of the time of publication,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix refcount leak for tagsetrefcnt This leak can cause a hang when tearing down the SCSI host. For example, iscsid hangs with the following call trace: 130120.652718 scsiallocsdev: Allocation failure during SCSI...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Audit: Improved robustness of audit queue handling If the audit daemon becomes stuck in a stopped state, the kauditdthread function in the kernel might get blocked while attempting to send audit records to the audit daemon in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fix for use-after-free in smb2lock. If smblock-zerolen has a value, the -llist of smblock is not deleted, and flock is an old version. This will cause a use-after-free during error handling routines...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed a race condition in the RPC handle list access mechanism. The sess-rpchandlelist XArray manages RPC handles within a ksmbd session. Access to this list is intended to be protected by sess-rpclock a rwsemaphore...

Astra Linux – Vulnerability in avahi

A vulnerability was discovered in the avahi library. This flaw allows a non-privileged user to make a dbus call, causing the avahi daemon to crash...

Astra Linux – Vulnerability in glibc

NSCD: Stack-based buffer overflow in netgroup cache If the fixed-size cache of the Name Service Cache Daemon nscd is exhausted due to client requests, then a subsequent client request for netgroup data may lead to a stack-based buffer overflow. This flaw was introduced in glibc 2.15 when the cach...

Astra Linux – Vulnerability in sssd

A race condition flaw was identified in sssd, where the GPO policy is not consistently applied to authenticated users. This could lead to improper authorization issues, granting or denying access to resources inappropriately...

Astra Linux – Vulnerability in libhttp-daemon-perl

Versions of HTTP::Daemon prior to version 6.17 for Perl allow for OS command injection through the sendfile function. The sendfile function opens its string argument using Perl’s two-argument open syntax. This two-argument syntax interprets certain magic prefixes: '| cmd' and 'cmd |' open a pipe ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Avoid out-of-bounds access in decodepreauthctxt. It must be confirmed that the address of pnegctxt-HashAlgorithms lies within the SMB request boundary. deassemblenegcontexts only checks that the eight-byte smb2negcontex...