Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phy: mdio: fix memory leak Syzbot reported a memory leak in the MDIO bus interface. The problem was due to incorrect state logic. The MDIOBUSALLOCATED state indicates two possible states: 1. The bus is only allocated. 2. The bus ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fixed the issue where the timer for starting a call race against the destruction of the call occurred. The rxrpccall structure contains a timer used to handle various timed events related to calls. This timer can be...

Astra Linux – Vulnerabilities in nghttp2, netty, tomcat9, jetty9, grpc

The HTTP/2 protocol allows for a denial of service server resource consumption, as request cancellation can quickly reset many streams, as exploited in practice from August to October 2023...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed memory leak. Why Resource release is necessary on the error handling path to prevent memory leaks. How This issue was fixed by adding the kfree function to the error handling path...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Memory leaks have been fixed in checkfunccall. kmemleak reports this issue: Unreferenced object 0xffff88817139d000 size 2048: comm "testprogs", pid 33246, jiffies 4307381979 age 45851.820s Hex dump first 32 bytes: 01 00 0...

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: soc: fsl: qbman: Use raw spinlock for cgrlock The smpcallfunction always runs its callback in a hard IRQ context, even when PREEMPTRT is enabled, where spinlocks may be in a sleeping state. Therefore, we need to use a raw spinloc...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: tun: Fix use-after-free in tundetach Syzbot reported a use-after-free in tundetach. This causes a call trace like the following: ================================================================== BUG: KASAN: use-after-free i...

Astra Linux – Vulnerability in GhostScript

Ghostscript GhostPDL 9.50 through 9.53.3 has a use-after-free in the sampleddatasample function called from sampleddatacontinue and interp...

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 found in Linux 5.10, Linux 5.15

A out-of-bounds memory read flaw was discovered in the Linux kernel’s BPF subsystem, related to how a user calls the bpftailcall function with a key that is larger than the maxentries of the map. This flaw allows a local user to gain unauthorized access to data...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pnfs: A use-after-free bug has been fixed in open. If someone cancels the open RPC call, then we must not attempt to free either the open slot or the layoutget operation arguments, as they are likely still in use by the hun...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/scs: The task stack state is reset in bringupcpu. When a CPU is hot-plugged, the idle task on that CPU calls several layers of C code before finally leaving the kernel. When KASAN is in use, a “poisoned” shadow is left behi...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: rxrpc: Fixed the issue where the listen function sets the backlog to too high for preallocation rings. The listen handler of AFRXRPC allows you to set the backlog to 32 if you increase the sysctl value. However, although the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the drivers/video/fbdev/smscufx.c file within the Linux kernel, up to version 5.19.12, there is a race condition that can lead to a use-after-free if a physically nearby attacker removes a USB device while the open function is called. This issue is essentially a race condition between ufxopsop...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SUNRPC: Fixed a server shutdown leak A race condition was addressed where kthreadstop might prevent threadfn from being called at all. If this occurs, the svcrqst will not be cleaned up properly...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handles PLTs. Sometimes it is necessary to use a PLT entry to call a ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, both of which have almost identical logic. However, this is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ARM: davinci: da850evm: Avoid NULL pointer dereferencing In newer versions of GCC, a panic occurs in da850evmconfigemac when booting multiv5defconfig in QEMU under the palmetto-bmc machine. The issue arises from attempting to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: IB/mthca: Added the missing mthcaunmapuserdb function for mthcacreatesrq. Fixed a user-trigivable leak in the system call failure path...

Astra Linux – Vulnerability in WebKit2GTK

A logic issue in the handling of concurrent media has been addressed through improved state management. This issue is fixed in macOS Monterey 12.4, iOS 15.5, and iPadOS 15.5. Video self-preview in a webRTC call may be interrupted if the user answers a phone call...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A race condition was detected in the Linux kernel’s RxRPC network protocol, during the processing of RxRPC bundles. This issue arises due to the lack of proper locking when performing operations on an object. This could allow an attacker to escalate privileges and execute arbitrary code within th...