Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The “Use After Free” vulnerability in the Linux kernel’s traffic control index filter tcindex allows for privilege escalation. The imperfect hash area can be updated while packets are being processed, leading to a use-after-free when the ‘tcfextsexec’ function is called with a corrupted tcfext. A...

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 Node-Elliptic

The verify function in lib/elliptic/eddsa/index.js within the Elliptic package, as of version 6.5.6 for Node.js, omits the validation of the condition “sig.S.gtesig.eddsa.curve.n || sig.S.isNeg”...

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

In the Linux kernel, the following vulnerability has been resolved: vmci: Speculation leaks were prevented by sanitizing the event in eventdeliver. Coverity identified that eventmsg is controlled by user-space. eventmsg-eventdata.event is passed to eventdeliver and used as an index without proper...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: Replace physindev with physinif in nfbridgeinfo. A skb can be added to the neigh-arpqueue while waiting for an arp reply. In this case, the skb’s skb-dev may differ from the neigh-dev of the destination. For...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/jfs: Added a validity check for dbmaxag and dbagpref. Both dbmaxag and dbagpref are used as indexes for the dbagfree array. However, there is currently no validation for these values, which can lead to errors. The following...

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 in Linux

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed the RX consumer index logic in the error path. In bnxtrxpkt, the RX buffers are expected to complete in order. If the RX consumer index indicates an out-of-order buffer completion, it means we are encountering a...

Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in the Linux kernel before version 5.14.15. There is a flaw where the array index exceeds the bounds in the detachcapictr function located in drivers/isdn/capi/kcapi.c...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix array-index-out-of-bounds in pvr2i2ccoreinit Syzbot reported that -1 is used as an array index. The problem lay in the lack of a validation check. The value of hdw-unitnumber is initialized with -1. If the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Added a length check in indxgetroot This addition ensures that the retrieved index root is valid. 162.459513 BUG: KASAN: Use-after-free in hdrfinde.isra.0+0x10c/0x320 162.460176 Read of size 2 at addr ffff8880037bca9...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: taprio: improper checking of the TCATAPRIOTCENTRYINDEX attribute The taprioparsetcentry function does not correctly check the TCATAPRIOTCENTRYINDEX attribute: int tc; // Signed value tc =...

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

In the Linux kernel, the following vulnerability has been resolved: i2c: i801 – Fixed block process call transactions. According to the Intel datasheets, software must reset the block buffer index twice for block process call transactions: once before writing the outgoing data to the buffer, and...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Net: Atlantic: Fixed an index out of range error in aqvec. The final update statement of the for loop exceeds the array range. The dereference of self-aqveci is not checked, leading to an index out of range error. This issue h...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the virtio-net device in QEMU. When the RSS feature is enabled on the virtio-net network card, the indirectionstable data within RSS becomes controllable. Setting values that are excessively large may lead to an index out-of-bounds issue, potentially resulting in a heap...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed a slab-out-of-bounds read in hdrdeletede. Here is a bug report from syzbot: Bug: KASAN: Slab-out-of-bounds in hdrdeletede+0xe0/0x150, fs/ntfs3/index.c:806. A read of size 16842960 was performed at address...