Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fix for defragmentation path triggering jbd2 assertion. Code paths: - ocfs2ioctlmoveextents - ocfs2moveextents - ocfs2defragextent - ocfs2moveextent - + ocfs2journalaccessdi - + ocfs2splitextent // Sub-path calls...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed the bug in ext4mbuse inodepa. Hulk Robot reported a BUGON: kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Call Trace: ext4mbnewblocks+0x9df/0x5d30...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a traversal bug in ext4mbusepreallocated. During allocation, when searching for pre-allocations PA in the per-inode rbtree, we cannot perform a direct traversal of the tree because ext4mbdiscardgrouppreallocation may...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cpufreq: The completion function is called before kobjectinitandadd. In cpufreqpolicyalloc, the uninitialized completion function is called in cpufreqsysfsrelease when kobjectinitandadd fails. This will cause a crash, such as a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: swiotlb: Initialize the listhead of the restricted pool when SWIOTLBDYNAMIC=y. Using restricted DMA pools CONFIGDMARESTRICTEDPOOL=y in conjunction with dynamic SWIOTLB CONFIGSWIOTLBDYNAMIC=y leads to the following crash during...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: validate lwtstate-data before returning from skbtunnelinfo The skbtunnelinfo function returns a pointer to lwtstate-data without validation. lwtstate-data can have various types, such as mplsiptunnelencap, etc., and these...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: um: Fixed an out-of-bounds read in LDT setup syscallstubdata expects the datacount parameter to be the number of longs, not bytes. ================================================================== BUG: KASAN: Out-of-bounds acces...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nvmem: Fixed the shift-out-of-bound issue UBSAN when using cells with byte-sized bits. If a cell has “nbits” that is a multiple of BITSPERBYTE, the logic p &= GENMASKcell-nbits % BITSPERBYTE - 1, 0; will result in undefined...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed ext4mbmarkbb with flexbg and fastcommit. In the case of the flexbg feature which is enabled by default, extents for any given inode may span across blocks from two different block groups. ext4mbmarkbb only reads the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: The BUGON functions in addnewfreespace have been removed. In addnewfreespace, there were these BUGON functions that were used to handle any failures in adding free space to the in-memory free space cache. Such failures...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket BUG: KASAN: slab-use-after-free in tcpwritetimerhandler+0x156/0x3e0 Read of size 1 at addr ffff888111f322cd by task swapper/0/0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not...

Astra Linux – Vulnerability in Firefox and Thunderbird

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp being used to prevent input after the page loads. This vulnerability affects Firefox 122, Firefox ESR 115.7, and Thunderbird 115.7...

Astra Linux – Vulnerability in Linux, Linux 5.10

There is a bug in /net/nfc/netlink.c that allows an attacker to crash the Linux kernel by simulating an NFC device from user-space...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynq-qspi: Fixed a NULL pointer dereferencing in zynqqspiexecmemop. In zynqqspiexecmemop, kzalloc is directly used in memset, which could lead to a NULL pointer dereferencing if kzalloc fails. This bug was fixed by addin...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: spmi: In the trace function, there was an issue where access to memory was out of bounds. This issue was fixed by using a length of “len” instead of “len + 1”. The functions tracespmiwritebegin and tracespmireadend both use memcp...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: lib/fonts: Fixed undefined behavior in bit shifting for getdefaultfont. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning “calltrace” is as follow...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Fixed the “kernel NULL pointer dereference” error. When the rxequeueinit function in the rxeqpinitreq function fails, both qp-req.task.func and qp-req.task.arg are not initialized. Due to the failure in creating the...

Astra Linux – Vulnerability in Chromium

The use of “after free” in “Printing in Google Chrome” before version 92.0.4515.159 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: iio: dac: ad3552r-hs: fix out-of-bound write in ad3552rhswritedatasource When the simplewritetobuffer function succeeds, it returns the number of bytes actually copied to the buffer. The code incorrectly uses “count” as the index...

Astra Linux – Vulnerability in netcdf

A issue was discovered in ezXML 0.8.3 through 0.8.6. The ezxmlparse functions improperly handle XML entities, resulting in an infinite loop where memory allocation occurs...