Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fixed potential Spectre v1 gadget It appears that nr could be a Spectre v1 gadget, as it is provided by a user and used as an array index. This issue prevents the contents of kernel memory from being leaked to use...

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: i40e: Fixed the idx validation in config queues msg. Ensured that idx is within the range of active/initialized TC’s when iterating over vf-chidx in i40evcconfigqueuesmsg...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ntfs: Centralized validation of the $INDEXROOT header. A dedicated helper function has been added to perform more stringent validation of the $INDEXROOT, and this function is used for both directory inodes and named index...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added a depth limit to indxfindbuffer to prevent stack overflow. indxfindbuffer recursively descends the B+ tree index without a depth limit. A malicious NTFS image with circular index node references causes unbounded...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fixed an out-of-bounds access in cxl CancelAutoAttach. In cxl CancelAutoAttach, it assumes that cxled-pos is a valid index for accessing p-targets. However, cxled-pos can be set to a negative value in errno when...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: vhost: Fix vhostgetavailidx for a non-empty ring vhostgetavailidx is supposed to report whether vq-availidx has been updated. Instead, it returns whether all entries have been consumed, which is usually the same. However, not...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NTFS: Validating index entries upon reading. Index entries are validated immediately after reading an index root or index block from the disk. This eliminates the need for repeated checks during lookups and readdir operations,...

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: EDAC/bluefield: Fixed potential integer overflows. The 64-bit argument for the “get DIMM info” SMC call consists of memctrlidx, which is left-shifted by 16 bits and OR-ed with the DIMM index. Since memctrlidx is defined as a 32-b...

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: cpumap: The xdprxqinfo structure is not initialized to zero before running the XDP program. When running an XDP program that is associated with a cpumap entry, we do not initialize the xdprxqinfo data structure, which is used in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vdpa: Added a queue index attr to the vdpanlpolicy structure for checking nlattr lengths. The vdpanlpolicy structure is used to validate the nlattr during the parsing of incoming nlmsg messages. It ensures that the described...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netlink: prevents potential Spectre v1 exploits Most netlink attributes are parsed and validated via nlavalidateparse or validatenla. c u16 type = nlatypenla; if type == 0 || type maxtype / Error or continue / The @type value is...

Astra Linux – Vulnerability in udisks2

A flaw was discovered in the Udisks daemon, where it allows unprivileged users to create loop devices using the D-BUS system. This is accomplished through the loop device handler, which processes requests sent through the D-BUS interface. As part of this handler’s functionality, it receives a lis...

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

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fixed a memory leak when insertoldidx failed. The following process will cause a memory leak for the copied znode: dirtycowznode zn = copyznodec, znode; err = insertoldidxc, zbr-lnum, zbr-offs; if unlikelyerr return...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Eliminated the possibility of speculative memory reading. The domain value is extracted from a given CCA or EP11 ioctl struct when a CPRB is about to be sent. Therefore, this is a user-controlled value. Under certain...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Fixed a possible crash when calling mgmtindexremoved. If mgmtindexremoved is called while there are commands queued for cmdsync, it could lead to crashes, as shown in the following trace: 0x0000053D:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fix buffer overflow in sja1105setupdevlinkregions If an error occurs in dsadevlinkregioncreate, then the array ‘priv-regions’ will be accessed using a negative index -1. This issue was identified by the Linux...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: The can: gw: fix OOB heap access in cgwcsumcrc8rel function. The cgwcsumcrc8rel function correctly computes bound-safe indices using calcidx: c int from = calcidxcrc8-fromidx, cf-len; int to = calcidxcrc8-toidx, cf-len; int re...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: amdgpu/pm: prevented array underflow in vega20odneditdpmtable In the PPODEDITVDDCCURVE case, the “inputindex” variable is capped at 2, but its negative values are not checked, resulting in an out-of-bounds read. This value comes...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fixed the out-of-bounds read warning. Using index i-1U may exceed the element index for mcdata when i=0...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: gpio: Prevent potential speculation leaks in gpiodevicegetdesc The userspace may trigger a speculative read of an address outside the gpio descriptor array. Users can do this by calling gpioioctl with an offset that is out of...