Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for out-of-bounds punch offset Punching a hole with a start offset that exceeds maxend is not allowed. This will result in a negative length value in the truncateinodepartialfolio function when truncating the page cache...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/shmem: Disable the PMD-sized page cache if necessary. For shmem files, it’s possible that a PMD-sized page cache cannot be supported by xarray. For example, a 512MB page cache on ARM64 when the base page size is 64KB cannot be...

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

In the Linux kernel, the following vulnerabilities have been resolved: bcache: Fixup btreecachewait list damage We encountered a kernel crash due to “listadd corruption”. next-prev should be prev 0xffff9c801bc01210, but it was actually fffff9c77b688237c. Next: 0ffffae586d8afe68. crash struct...

Astra Linux – Vulnerability in Squid

A vulnerability was discovered in Squid before versions 4.15 and 5.x before version 5.0.6. Due to incorrect parser validation, this vulnerability allows for a Denial of Service attack against the Cache Manager API. This enables a trusted client to trigger memory leaks, which over time can lead to...

Astra Linux – Vulnerability in unbound

NLnet Labs Unbound, including version 1.16.1, is vulnerable to a new type of “ghost domain name” attack. The vulnerability operates by targeting an Unbound instance. Unbound is queried for a subdomain of a rogue domain name. The rogue nameserver returns delegation information for the subdomain,...

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

In the Linux kernel, the following vulnerability has been resolved: DM integrity: Error in the call to kmemcachedestroy in dmintegrityinit. Otherwise, the journaliocache will be leaked if dmregistertarget fails...

Astra Linux – Vulnerability in Python-Django, Python 2.7

Packages containing “python/cpython” from versions 0 and earlier, including 3.6.13, 3.7.0 and earlier than 3.7.10, 3.8.0 and earlier than 3.8.8, 3.9.0 and earlier than 3.9.2, are vulnerable to Web Cache Poisoning via “urllib.parse.parseqsl” and “urllib.parse.parseqs”. This vulnerability occurs du...

Astra Linux – Vulnerability in Chromium

A heap buffer overflow in BFCache in Google Chrome prior to version 96.0.4664.93 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption through a crafted HTML page...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv: Flush the current CPU’s ICache before flushing other CPUs. On SiFive Unmatched, I recently encountered the following bug during bootup: 0.000000 ftrace: allocating 36610 entries in 144 pages 0.000000 Oops – illegal...

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 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 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: - dm cache: Fixed a UAF Use-after-Allocation issue in the destroy function. - Dmcache also has the same UAF problem when dmresume and dmdestroy are executed concurrently. Therefore, the timer is canceled again in the destroy...

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 Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dax: Make sure that inodes are flushed before destroying the cache. A bug can be triggered by executing the following command: $ modprobe ndpmem && modprobe -r ndpmem The following error messages were recorded: 10.060014 BUG...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Split the initial and dynamic conditions for extentcache. We need to allocate the extentcache tree without dynamic conditions to avoid a panic caused by a missing condition as described below. Create a file with a...

Astra Linux – Vulnerability in wpa

Implementations of SAE in hostapd before version 2.10, and wpasupplicant before version 2.10, are vulnerable to side-channel attacks due to cache access patterns. NOTE: This issue exists due to an incomplete fix for CVE-2019-9494...

Astra Linux – Vulnerability in mbedtls

Before version 2.16.5 of Arm Mbed TLS, attackers could obtain sensitive information an RSA private key by monitoring cache usage during an import process...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘f2fs: fix to do sanity check on extent cache correctly’” The syzbot reports a bug in f2fs as follows: UBSAN: Array-index-out-of-bounds in fs/f2fs/f2fs.h:3275:19 Index 1409 is out of range for type ‘le32923’ aka ‘unsigned...

Astra Linux – Vulnerability in Chromium

The incorrect security UI in BFCache in Google Chrome prior to version 116.0.5845.179 allowed a remote attacker to spoof the contents of the Omnibox URL bar via a crafted HTML page. Chromium security severity: High...

Astra Linux – Vulnerability in python-bottle

Packages from versions 0 and before 0.12.19 are vulnerable to Web Cache Poisoning, due to a mechanism called “parameter cloaking”. When attackers can separate query parameters using a semicolon ;, they can create a discrepancy in the interpretation of requests between the proxy running with defau...