Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where the extent map was used after free, when adding pages to compressed Bio data structures. In the function addrabiopages, we access the extent map to calculate ‘addsize’. After dropping the reference to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: qrtr: A refcount bug was fixed in qrtrrecvmsg. Syzbot reported the following bugs: refcountt: Addition of 0; use-after-free. … RIP: 0010:refcountwarnsaturate+0x17c/0x1f0 lib/refcount.c:25 … Call Trace: refcountadd...

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: libceph: An error occurred during the insertion of data into the rbtree in the decodechooseargs function. A message of type CEPHMSGOSDMAP contains an OSD map, which in turn contains a CRUSH map. The received CRUSH map may...

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: net: gso: fix ownership in udpgsosegment In udpgsosegment, the skb destructor is removed before segmenting the skb, but the reference to the socket remains intact. This issue arises if the original skb becomes orphaned later, as ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mm/vmscan: fixed a bug that called wakeupkswapd with an incorrect zone index. When numa balancing is enabled, and a numa system is running where a numa node does not have its own local memory, causing it to have no managed...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: Ensure waiting for page writeback in memoryfailure. Our syzkaller triggers "BUGON!listempty&inode-iwblist" in clearinode: - Kernel bug at fs/inode.c:519! - Internal error: Oops – Bug: 0 1 SMP - Modules linked i...

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

In the Linux kernel, the following vulnerability has been resolved: iavf: Fixed a use-after-free in freenetdev. We perform netifnapiadd for all allocated qvectors, but potentially also perform netifnapidel for some of them. Then, we call kfree on the qvectors, leaving invalid pointers in...

Astra Linux – Vulnerability in python-urllib3

urllib3 is a user-friendly HTTP client library for Python. Previously, urllib3 would not remove the HTTP request body when an HTTP redirect response was received using status 301, 302, or 303 after the request’s method changed from one that could accept a request body such as POST to GET, as...

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: crypto: qat – resolves a race condition during AER recovery During the error recovery process of the PCI AER system, the kernel driver may encounter a race condition related to the freeing of the resetdata structure’s memory. If...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Unregistering flowtable hooks upon netns exit. Unregistering flowtable hooks before they are released via nftablesflowtabledestroy; otherwise, the hook code may report a Use-After-Free error. BUG: KASAN:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: mts64: Fix possible null-ptr-defer in sndmts64interrupt I received a “null-ptr-defer” error report when performing the following tests on the QEMU platform: I executed the following commands: make defconfig and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 the length “len” instead of “len + 1”. The functions tracespmiwritebegin and tracespmireadend both use memcpy...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: fixed the WARN message in netifnapidellocked when a USB device is disconnected. The redundant call to netifnapidel was removed from the disconnect path. A WARN message may be triggered in netifnapidellocked...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/rds: fixed the possible null dereference of cp The cp parameter may be null. Calling cp-cpconn would result in a null dereference. Simon Horman adds: Analysis: cp is a parameter of rdsrdmamap, and it is not reassigned. The...

Astra Linux – Vulnerability in libstb

stbimage is a single-file library licensed under MIT that is used for processing images. When stbisetflipverticallyonload is set to TRUE, and reqcomp is set to a value that does not match the actual number of components per pixel, the library attempts to flip the image vertically. A specially...

Astra Linux – Vulnerability in exiv2

There is a out-of-bounds read in the Exiv2::MrwImage::readMetadata method in mrwimage.cpp, within Exiv2 from version 0.27.2 onwards...

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

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: The return value of tcpbpfsendmsg was corrected. When we use the cork mechanism in psock-cork, the last message triggers flushing, resulting in sending a skmsg that is larger than the current message size. In this case, i...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fixed an underflow in calculations for the second superblock position. The macro NILFSSB2OFFSETBYTES calculates the position of the second superblock. This calculation results in an underflow when the devicesize argument ...

Astra Linux – Vulnerability in Chromium

Before version 94.0.4606.71, using Safebrowsing in Google Chrome allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption through a crafted HTML page...

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: skbuff: In skbSegment, call zero-copy functions before using skbuff fragments. The commit bf5c25d60861 added the call to zero-copy functions in skbSegment. This change introduced a bug in skbSegment, as skborphanfrags may...