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, 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 libvirt

A flaw was discovered in libvirt. The virStoragePoolObjListSearch function does not return a locked pool as expected, leading to a race condition and a denial of service when attempting to lock the same object from another thread. This issue could cause clients connecting to the read-only socket ...

Astra Linux – Vulnerability in sssd

A flaw was discovered in SSSD, where the sssctl command was vulnerable to shell command injection through the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into executing a specially crafted sssctl command, such as using sudo, in order to gain root...

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pps: Fixed a use-after-free On a board running with ntpd and gpsd, I’m encountering a consistent use-after-free in sysexit from gpsd during reboots: pps pps1: Removed ----------- - Cut here----------- kobject: "null"...

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 5.15

The Linux kernel’s NFSD implementation before versions 5.19.17 and 6.0.2 is vulnerable to buffer overflow attacks. NFSD tracks the number of pages held by each NFSD thread by combining the receive and send buffers of a remote procedure call RPC into a single array of pages. A client can force the...

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...

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 Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A possible reference count leak in smb2open has been fixed. The reference count of ACLs will cause a leak when memory allocation fails. This issue has been addressed by adding the missing posixaclrelease function...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The reference count leak in smbcheckpermdacl has been fixed. The issue occurs in a specific part of smbcheckpermdacl. When “id” and “uid” have the same value, the function simply jumps out of the loop without decrementing...

Astra Linux – Vulnerability in avahi

The avahi-daemon-check-dns.sh script within the Debian avahi package, as of version 0.8-4, is executed as the root user via /etc/network/if-up.d/avahi-daemon. This script allows a local attacker to cause a denial of service or create arbitrary empty files through a symlink attack on files located...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protection against send buffer overflow in NFSv2 READDIR. The previous limit on the @count argument has been restored to prevent buffer overflow attacks...

Astra Linux – Vulnerability in libvirt

A NULL pointer dereference flaw was discovered in the udevConnectListAllInterfaces function within libvirt. This issue can occur when detaching a host interface while simultaneously collecting the list of interfaces using the virConnectListAllInterfaces API. This flaw could be exploited to carry...

Astra Linux – Vulnerability in libvirt

A use-after-free flaw was discovered in libvirt. The qemuMonitorUnregister function in qemuProcessHandleMonitorEOF is called using multiple threads without being adequately protected by a monitor lock. This flaw could be triggered by the virConnectGetAllDomainStats API when the guest is shutting...

Astra Linux – Vulnerability in PCS

A flaw was discovered in the Pacemaker configuration tool pcs. The pcs daemon allowed expired accounts, as well as accounts with expired passwords, to log in when using PAM authentication. As a result, unprivileged expired accounts that had been denied access could still log in...

Astra Linux – Vulnerability in libhttp-daemon-perl

HTTP::Daemon is a simple HTTP server class written in Perl. Versions prior to 6.15 are vulnerable to a vulnerability that could potentially be exploited to gain privileged access to APIs or corrupt intermediate caches. It’s unclear how severe the risks are; most Perl-based applications are served...

Astra Linux – Vulnerability in bluez

The bluetoothd function from the bluez library incorrectly preserves the discoverable status of adapters when a device is powered down, and restores that status when the device is powered on again. If a device is in the discoverable state while powered down, it will remain discoverable when the...

Astra Linux – Vulnerability in avahi

In Avahi, including versions 0.6.32 and 0.7, avahi-daemon inadvertently responds to IPv6 unicast queries with source addresses that are not on-link. This allows remote attackers to cause a denial of service traffic amplification and may lead to information leakage by extracting potentially...