Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: The userfaultfdapi function has been fixed to return EINVAL as expected. Currently, if we request a feature that is not set in the kernel configuration, we will fail silently and return all available features. However, the manual...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: The pointer wdev-cqmconfig must be cleared when freeing it during unregistration. This is necessary because the same wdev/netdev may be re-registered in another network namespace, and then destroyed later. Running...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Makes rmwlock a rawspinlock. The following bug was triggered: ============================= Bug: Invalid wait context 6.12.0-rc2-XXX 406 Not tainted ----------------------------- kworker/1:1/62 is trying to lock:...

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: ALSA: usb-audio: Fixed potential out-of-bounds accesses for Extigy and Mbox devices A bogus device can provide a bNumConfigurations value that exceeds the initial value used in usbgetconfiguration for allocating dev-config. This...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A out-of-bounds read vulnerability in ksmbdvfsstreamread has been fixed. The offset from the client can be a negative value, which may lead to an out-of-bounds read of the streambuf...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: uclogic: Add a NULL check in uclogicinputconfigured. The devmkasprintf function returns NULL when memory allocation fails. Currently, uclogicinputconfigured does not check for this case, resulting in a NULL pointer being...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fixed a potential refcount underflow for idev. In addrconfmodrstimer, the reference to idev depends on whether rstimer is not pending. Therefore, the timeout of rstimer was modified. There is a time gap in 1 during...

Astra Linux – Vulnerability in libproxy

In libproxy, the url.cpp module in version 0.4.15 is vulnerable to a buffer overflow when PAC is enabled. This vulnerability was confirmed by using a large PAC file that was sent without a Content-length header...

Astra Linux – Vulnerability in isc-dhcp

In ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16, ISC DHCP 4.4.0 - 4.4.2 Other branches of ISC DHCP e.g., releases in the 4.0.x series or earlier, and releases in the 4.3.x series are beyond their End-of-Life period and are no longer supported by ISC. It is clear that this defect is also present in releases...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2, where its configuration file, known as grub.cfg, is created with the wrong permission set, allowing non-privileged users to read its contents. This represents a minor confidentiality issue, as those users could potentially access any encrypted passwords contained i...

Astra Linux – Vulnerability in edk2

EDK2’s Network Package is vulnerable to a buffer overflow vulnerability when handling the Server ID option from a DHCPv6 proxy Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity, and/or...

Astra Linux – Vulnerability in sudo

A flaw was discovered in sudo’s handling of ipahostname. In this process, the ipahostname value from /etc/sssd/sssd.conf was not propagated to sudo. As a result, this leads to a privilege management vulnerability in applications, where client hosts retain privileges even after those privileges ha...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: cfg80211: Set correct chandef when starting CAC When starting CAC in a mode other than AP mode, it returns a warning message: “WARNING: CPU: 0 PID: 63 at cfg80211chandefdfsusable+0x20/0xaf cfg80211” This issue is caused by...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fix for u8 overflow By continuously sending L2CAPCONFREQ packets, chan-numconfrsp increases multiple times, eventually exceeding the maximum number i.e., 255. This patch prevents this issue by adding a bounda...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: stmmac – ensure that ptprate is not set to 0 before configuring EST. If the value of ptprate, which was previously recorded in the driver, happens to be 0, this invalid value will be propagated up to the EST configuration,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Soundwire: qcom: fix for storing port configuration beyond the bounds The value of qcomswrmctrl-pconfig is QCOMSDWMAXPORTS 14. However, we index it starting from 1, not 0, to match the actual port numbers. This can lead to writin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: wifi: rtw88: 8822b: Avoid warnings in rtw8822bconfigtrxmode The function rtw8822bsetantenna can be called from userspace when the chip is powered off. In that case, a warning is triggered in rtw8822bconfigtrxmode, because...

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: iavf: Fixed off-by-one issues in iavfconfigrssreg There are off-by-one bugs when configuring the RSS hash key and lookup table, causing out-of-bounds reads to memory 1 and out-of-bounds writes to device registers. Before commi...

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: comedi: multiq3: sanitize config options in multiq3attach Syzbot identified an issue 1 in multiq3attach, which can cause a task timeout due to open or COMEDIDEVCONFIG ioctl operations, specifically, in the case of the multiq3...

Astra Linux – Vulnerability in libgcrypt20

The ElGamal implementation in Libgcrypt before version 1.9.4 allows plaintext recovery. This occurs because, during interaction between two cryptographic libraries, a dangerous combination of elements arises—specifically, the prime number defined by the receiver’s public key, the generator define...