Astra Linux – Vulnerability in Linux 5.10, Linux

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

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: In the net:sock section, the issue of a “hardened usercopy panic” in sockrecverrqueue has been fixed. The skbufffclonecache structure was created without defining a usercopy region. Unlike the skbuffheadcache, which properly...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fixed a potential memory leak in kmemcacheopen. In the error path, the slub cache’s randomseq value might be leaked. This issue was addressed by using kmemcacherelease to release all relevant resources...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not drop the extentmap for free space inode on a write error. While running the CI for an unrelated change, I encountered the following panic: with generic/648 on btrfsholesspacecache. Assertion failed: blockstart !=...

Astra Linux – Vulnerability in Squid

In versions 4.14 and 5.x through 5.0.5, in some configurations, the Squid vulnerability allows information disclosure due to an out-of-bounds read in the WCCP protocol data. This vulnerability can be exploited as part of a chain for remote code execution, as there is no one to stop such attacks...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: A bug related to delayed allocation was fixed in ext4clumapped for bigalloc and inline scenarios. When converting files with inline data to extents, delayed allocations made on a file system created with both bigalloc and...

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, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtasflash: Allow user copy to flash block cache objects With hardened usercopy enabled CONFIGHARDENEDUSERCOPY=y, using the /proc/powerpc/rtas/firmwareupdate interface to prepare a system firmware update results in a BUG: ...

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: F2FS: Invalidating the dentry cache when a failed “whiteout” creation occurs F2FS allows for the mounting of file systems with corrupted directory depth values that are clamped to MAXDIRHASHDEPTH at runtime. When RENAMEWHITEOUT...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: avoided format-overflow warnings With GCC and the W=1 option, there is a warning like this: fs/f2fs/compress.c: In the function ‘f2fsinitpagearraycache’: fs/f2fs/compress.c:1984:47: Error: The ‘%u’ directive is writing 1 to...

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: dmarraycursorend: Fix to prevent releasing a faulty array block twice when using dmarraycursorend. When dmbmreadlock fails due to locking or checksum errors, it releases the faulty block implicitly, leaving an invalid output...

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

A transient execution vulnerability in some AMD processors may allow an attacker to extract data from the L1D cache, potentially leading to the leakage of sensitive information across privileged boundaries...

Astra Linux – Vulnerability in Firefox and Thunderbird

Bypass of mitigation mechanisms in the Networking: Cache component. This vulnerability has been fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

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: dm Cache: Prevent BUGON by blocking retries when the cache device fails to resume due to mapping errors. A cache device that fails to resume due to mapping errors should not be retried, as this will leave a partially initialized...

Astra Linux – Vulnerability in Firefox and Thunderbird

Information disclosure in the Networking: Cache component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3...

Astra Linux – Vulnerability in bind9

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through...

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

In the Linux kernel, the following vulnerabilities have been resolved: atm: Fixed NULL pointer dereference issue When MPOAcacheimposrcvd receives the message, it may trigger a NULL Pointer Dereference Vulnerability if both the entry and holdingtime parameters are NULL. Since this only occurs when...

Astra Linux – Vulnerability in Squid

Squid is a caching proxy for the Web. Due to a bug related to expired pointer references, Squid versions prior to 6.6 were vulnerable to a Denial of Service attack targeting error responses from the Cache Manager. This vulnerability allowed a trusted client to cause a Denial of Service attack by...

Astra Linux – Vulnerability in glibc

NSCD: Stack-based buffer overflow in netgroup cache If the fixed-size cache of the Name Service Cache Daemon nscd is exhausted due to client requests, then a subsequent client request for netgroup data may lead to a stack-based buffer overflow. This flaw was introduced in glibc 2.15 when the cach...

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: nfsd: Ensure that exp remains active before calling svcexportshow. The function eshow was called with protection from RCU. This only ensures that exp will not be freed. As a result, the reference count of exp can drop to zero,...