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

In the Linux kernel, the following vulnerability has been resolved: media: netupunidvb: fix use-after-free at deltimer When the Universal DVB card is being detached, netupunidvbdmafini uses deltimer to stop the dma-timeout timer. However, when the timer handler netupunidvbdmatimeout is running,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: platform: exynos4-is: Added a hardware sync wait to fimcishwchangemode In fimcishwchangemode, the function changes camera modes without waiting for hardware completion. This can lead to corrupted data or a system hanging i...

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

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: A leak was fixed in devfreqdevrelease. The srcuinitnotifierhead function allocates resources that need to be released using a srcucleanupnotifierhead call. Reported by kmemleak...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fixed a possible use-after-free in nicstarcleanup The remove path of this module calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192u: Fixed a deadlock in ieee80211beaconsstop. There is a deadlock in ieee80211beaconsstop, as shown below: Thread 1 | Thread 2 | ieee80211sendbeacon ieee80211beaconsstop | modtimer spinlockirqsave //1 | Wa...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Drivers: USB: Host: Fixed a deadlock in oxubussuspend There is a deadlock in oxubussuspend, as shown below: Thread 1 | Thread 2 | timeraction oxubussuspend | modtimer spinlockirq //1 | Wait for a while ... | oxuwatchdog...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed a use-after-free issue related to dynamic ftraceops. KASAN reported a use-after-free involving ftrace ops 1. It was discovered that perf had registered two ops with the same content, both being dynamic. After the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: serial: fsllpuart: fixed a race condition during RX DMA shutdown. From time to time, DMA completion can occur mid-way through the DMA shutdown process: : lpuart32shutdown lpuartdmashutdown deltimersync lpuartdmarxcomplete...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdkfd: Fixed a race condition involving the unreferencing of the vram buffer in the svm code. The unreferencing of prange-svmbo can occur both in the mmu callback and in a callback after migrating to system RAM. Both are...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: veth: The GRO flag is cleared when XDP is disabled, even when the device is disabled. The NETIFFGRO flag is set automatically when XDP is enabled, because both features use the same NAPI mechanism. The logic for clearing the...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: Delay all operations related to ath9kwmieventtasklet until initialization is complete. The ath9kwmieventtasklet function used in ath9khtc assumes that all data structures have been fully initialized by the time it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb3: Fixed the potential deadlock due to lock ordering in the cifssyncmidresult function. Coverity identified that the cifssyncmidresult function could lead to a deadlock. “Thread deadlock ORDERREVERSAL lockorder: Calling spinlo...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciconn: A null pointer dereferencing occurred in hciabortconn. hciabortconn attempts to read hciskbeventhdev-sentcmd when a connection is pending. However, hdev-sentcmd can be NULL while reqstatus remains HCIREQPEN...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: USB: dummy-hcd: Fixed interrupt synchronization error This fixes an error in synchronization within the dummy-hcd driver. The error has a somewhat complex history. The synchronization mechanism was introduced in commit...

Astra Linux – Vulnerability in NTP

In NTP versions prior to 4.2.8p14 and 4.3.x before 4.3.100, ntpd allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address. This occurs because transmissions are rescheduled even when a packet lacks a valid origin timestamp...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: fixed the “scheduling while atomic” issue in mptcppmnl.AppendNewLocalAddr. If multiple connection requests attempt to create an implicit mptcp endpoint simultaneously, more than one caller may end up using...

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

In the Linux kernel, the following vulnerability has been resolved: Ring-Buffer: Sync-IRQ works before the buffer is destroyed. If something was written to the buffer just before its destruction, it may be possible—though not in a real system—to destroy the ringbuffer before the IRQ-related...

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: Media: Tuner: xc5000: Fixed a use-after-free in xc5000release. The original code used canceldelayedwork in xc5000release, which does not guarantee that the delayed work item, timersleep, has fully completed if it was already...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed a deadlock in the tc route query code The cited commit caused a ABBA deadlock0 when peer flows were created while holding the devcom rw semaphore. Due to the peer flow offload implementation, the lock is taken...

Astra Linux – Vulnerability in NTP

In ntp 4.2.8p10, 4.2.8p11, 4.2.8p12, and 4.2.8p13, remote attackers can prevent a broadcast client from synchronizing its clock with a broadcast NTP server through soofed modes 3 and 5. The attacker must either be part of the same broadcast network or control a slave device in that broadcast...