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 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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: Move page table sync declarations to linux/pgtable.h During our internal testing, we began observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: Unable to...

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

In the Linux kernel, the following vulnerability has been resolved: bpf: Ensuring that pending IRQ work is processed before freeing the ring buffer. A race condition was addressed in this fix, where irqwork could be queued in bpfringbufcommit, but the ring buffer was freed before the work execute...

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: cnic: Fixed use-after-free bugs in cnicdeletetask. The original code used canceldelayedwork in cniccmstopbnx2xHW, which does not guarantee that the delayed work item “deletetask” has fully completed if it was already running...

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 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 – 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 – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fixed a possible use-after-free in the async command interface The mlx5cmdcleanupasyncctx function should only return after all its callback handlers are completed. Before this patch, there was a race between...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed a possible “use-after-free” issue in ftracelocation. KASAN reports a bug: BUG: KASAN: use-after-free in ftracelocation+0x90/0x120 Reading an 8-byte value at address ffff888141d40010 by task insmod/424 CPU: 8 PID:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fix for a use-after-free of the timer for the log writer thread This patch series, titled “nilfs2: Fix for log writer-related issues”, addresses three issues related to the nilfs2 log writer. These include a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: perf: Fixed event leakage upon execution and file release The pending task work related to perf is never waited for when a matching event occurs. In the case of a child event released directly via freeevent, this can potential...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i40e: A race condition was fixed by adding an intermediate filter synchronization state. A race condition in the i40e driver was addressed, preventing MAC/VLAN filters from becoming corrupted and leaking data. This issue occurs...

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...