Astra Linux – Vulnerability in Firefox

Firefox used to cache the last filename used for printing a file. When generating a filename for printing, Firefox usually suggests the web page title. The combination of caching and suggestion techniques may have led to the title of a website visited during private browsing mode being stored on...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/slabcommon: fixed a possible double-free of kmemcache When running the slubdebug test, the kfence’s “testmemcachetypesafebyrcu” kunit test case caused a use-after-free error: BUG: KASAN: use-after-free in kobjectdel+0x14/0x30...

Astra Linux – Vulnerability in Python-Django

A issue was discovered in Django 2.2 before 2.2.16, 3.0 before 3.0.10, and 3.1 before 3.1.1 when Python 3.7+ was used. The intermediate-level directories of the filesystem cache had the system’s standard umask instead of 0o077...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: Rejects attempts to consume or refresh inactive gfntopfncache. kvmgpccheck and kvmgpcrefresh are rejected if the cache is inactive. Not checking the active flag during refresh is particularly problematic, as KVM may end u...

Astra Linux – Vulnerability in Chromium

The use of BFCache in Google Chrome before version 100.0.4896.88 allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page...

Astra Linux – Vulnerability in Waitress

In Waitress version 1.4.0, if a proxy server is used in front of Waitress, an attacker may send an invalid request that bypasses the front-end and is parsed differently by Waitress. This could lead to HTTP request smuggling. Specifically, requests containing special whitespace characters in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: Skip the creation of a PMD-sized page cache if necessary. On ARM64, HPAGEPMDORDER is 13 when the base page size is 64KB. The PMD-sized page cache cannot be supported by xarray, as indicated by the following error...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fix missing folio cleanup in writeback race path In zswapwritebackentry, after obtaining a folio from readswapcacheasync, we reacquire the tree lock to ensure that the swap entry was not invalidated or recycled. If it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Cache streams targeting the link when performing LT automation. REASON The last LT automation update may cause a crash by referencing currentstate and calling dcupdateplanesandstream, which might corrupt...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A malicious user could exploit this flaw to crash the QEMU process on the host...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability has been discovered in the Linux kernel and is classified as critical. The affected part of the code is the function areacacheget in the file drivers/net/ethernet/netronome/nfp/nfpcore/nfpcppcore.c, belonging to the IPsec component. This vulnerability occurs due to improper memory...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/raid5-cache: fixed a deadlock in r5lexitlog. The commit b13015af94cf “md/raid5-cache: Clear conf-log after finishing work” introduced a new problem: // The caller holds reconfigmutex r5lexitlog flushwork&log-disablewritebackwo...

Astra Linux – Vulnerability in Linux, Linux 5.15

A flaw was discovered in cifs-utils. When attempting to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may result in the disclosure of sensitive data from the host’s Kerberos...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Revert “f2fs: block cache/dio write during f2fsenablecheckpoint”. This revert commits 196c81fdd438f7ac429d5639090a9816abb9760a. The original patch might cause a deadlock; revert it. write remount - writebegin - lockpage --- lock ...

Astra Linux – Vulnerability in Xen

A issue was discovered in Xen versions 4.9 through 4.14.x. On the ARM architecture, a guest can control whether memory accesses bypass the cache. This means that Xen needs to ensure that all writes such as those during scrubbing have reached the memory before handing over the page to the guest...

Astra Linux – Vulnerability in dnsmasq

A flaw was discovered in dnsmasq in versions prior to 2.85. When configured to use a specific server for a given network interface, dnsmasq uses a fixed port while forwarding queries. An attacker on the network, who can determine the outgoing port used by dnsmasq, only needs to guess the random...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: calling btrfsremovefreespacecachelocked on cache load failure Now that lockdep is kept enabled throughout our CI processes, I noticed the following stack trace in generic/475: ------------ Cut here --- WARNING: CPU: 1 PID:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to prevent race conditions during the fsyncentryslab access by multiple f2fs filesystem instances. As reported by syzbot, there is a use-after-free issue during f2fs recovery: A use-after-free occurs when...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm: pgtable: Fix for NULL pointer dereference issue. When updatemmucacherange is called by updatemmucache, the vmf parameter is NULL, which can lead to a NULL pointer dereference issue in adjustpte. It is not possible to handle...

Astra Linux – Vulnerability in Thunderbird

The encrypted subject of an email message may be incorrectly and permanently assigned to another arbitrary email message in Thunderbird’s local cache. As a result, when replying to the contaminated email message, the user may accidentally expose the confidential subject to a third party. While th...