Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: virtionet: Fixed a misalignment bug in the struct virtnetinfo structure. Use the new TRAILINGOVERLAP helper to fix the misalignment bug, along with the following warning: drivers/net/virtionet.c:429:46: warning: Structure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed a signedness bug in smbdirectpreparenegotiation. The function smbdirectpreparenegotiation casts a unsigned u32 value from sp-maxrecvsize and req-preferredsendsize into a signed int before calculating mintint, .......

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fixed a possible null-ptr-deref issue when assigning a stream. While AudioDSP drivers assign streams that are exclusively of HOST or LINK type, nothing prevents a user from attempting to assign a COUPLED stream. The...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mm/slub: Fixed the issue by returning errno if kmalloc fails. In createuniqueid, kmalloc, GFPKERNEL may fail due to out-of-memory conditions. If this happens, errno should be returned correctly instead of triggering a panic via...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: Fixed the issue where f2fswaitonpagewriteback was called in f2fswriterawpages. A BUG will be triggered when writing files concurrently, because the same page may be written back multiple times. The bug occurs at...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: qrtr: A refcount bug was fixed in qrtrrecvmsg. Syzbot reported the following bugs: refcountt: Addition of 0; use-after-free. … RIP: 0010:refcountwarnsaturate+0x17c/0x1f0 lib/refcount.c:25 … Call Trace: refcountadd –...

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: clk: hisilicon: hi3559a: A mistake in the devmkfree function has been fixed. 'pclk' is an array allocated just before the for loop for all clk elements that need to be registered. It is incremented at each loop iteration. If a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: init flagsvalid before calling vfsfileattrget syzbot reported a uninit-value bug in 1. Similar to the “get” context, where the kernel’s filekattr structure is initialized before calling vfsfileattrget, we should use the same...

Astra Linux – Vulnerability in Qemu

A out-of-bounds heap buffer access issue was identified in the ARM Generic Interrupt Controller emulator of QEMU, as of and including qemu 4.2.0 on the aarch64 platform. The issue arises because, when writing an interrupt ID to the controller’s memory area, it is not masked to be 4 bits wide. Thi...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers reported memory safety bugs in Firefox 88 and Firefox ESR 78.11. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Thunderbird...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: caam – fixed an overflow issue when dealing with long HMAC keys. When a key that is longer than the block size is provided, it is copied and then hashed into the actual key. The memory allocated for the copy needs to be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf, cgroup: Fixed a kernel bug in purgeeffectiveprogs Syzkaller reported a triggered kernel bug as follows: ------------ Cut here ----------- Kernel bug at kernel/bpf/cgroup.c:925! Invalid opcode: 0000 1 PREEMPT SMP NOPTI CPU...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed a null pointer panic in the tracepoint of replaceatomicwriteblock. A kernel panic occurs when oldaddr is NULL. https://bugzilla.kernel.org/showbug.cgi?id=217266 BUG: Null pointer dereferencing in the kernel; address:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: fixed a refcount bug in skpsockget2. Syzkaller reported the refcount bug as follows: ------------ cut here ------------ refcountt: saturated; memory was leaking. WARNING: CPU: 1 PID: 3605 at lib/refcount.c:19...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - rxrpc: Fixed the locking mechanism in rxrpc’s sendmsg function. - Three bugs were fixed in the implementation of rxrpc’s sendmsg function: 1 The rxrpcnewclientcall function should release the socket lock when returning an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ethtool: Fixed an issue where the uninitialized number of lanes was used. It is not possible to set the number of lanes when adjusting link modes using the legacy IOCTL ethtool interface. Since the structure struct...

Astra Linux – Vulnerability in NTP

In the file libntp/mstolfp.c, within the NTP 4.2.8p15 version, there is a buffer overflow vulnerability when adding a decimal point. An attacker may be able to exploit a client ntpq process, but they cannot exploit ntpd...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In ext4, the work related to queued discard operations is always drained in ext4mbrelease. While reviewing the recent ext4 patch1, Sashiko raised the following concern2: If the file system is initially mounted with the discard...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: udf: Fixed a slab-out-of-bounds write bug in udffindentry Syzbot reported a slab-out-of-bounds Write bug: loop0: A capacity change from 0 to 2048 was detected. ==================================================================...

Astra Linux – Vulnerability in Chromium

Before version 90.0.4430.72, using extensions in Google Chrome allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape through a crafted Chrome Extension...