Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: virtio – Add spinlock protection with virtqueue notification When a virtual machine boots with a virtio-crypto PCI device and a built-in backend, run the openssl benchmark command with multiple processes. For example:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: misc: bcmvk: Fixed possible null-pointer dereferences in bcmvkread. In the function bcmvkread, the pointer entry is checked, indicating that it can be NULL. If the entry is NULL and rc is set to -EMSGSIZE, the following code may...

Astra Linux – Vulnerability in xorg-server

A flaw was discovered in the X.Org X server. This integer underflow vulnerability, specifically related to the handling of the XKB compatibility map, allows an attacker with local or remote X11 server access to trigger a buffer read overflow. This can lead to memory safety violations and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Most: USB subsystem – Fix for double-free operations when late probe failures occur. The MOST subsystem includes a non-standard registration function that releases the interface when registration failures occur or when...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: SCO: Fixed UAF in scoconnfree BUG: KASAN: Slab-use-after-free in scoconnfree, net/bluetooth/sco.c:87 inline BUG: KASAN: Slab-use-after-free in krefput, include/linux/kref.h:65 inline BUG: Slab-use-after-free in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: brcmfmac – Fix for crashes occurring when sending Action Frames in standalone AP Mode Currently, whenever an Action Frame needs to be transmitted, the brcmfmac driver always uses the P2P vif to send the “actframe” IOVAR to...

Astra Linux – Vulnerability in gdk-pixbuf

A flaw was discovered in the gdk-pixbuf library. This heap-based buffer overflow vulnerability occurs in the JPEG image loader due to improper validation of color component counts when processing a specially crafted JPEG image. A remote attacker can exploit this flaw without user interaction, for...

Astra Linux – Vulnerability in Python-APT

Dereferencing a NULL pointer in TagSection.keys in Python-apt on APT-based Linux systems allows a local attacker to cause a denial of service process crash through a crafted deb822 file containing malformed non-UTF-8 keys...

Astra Linux – Vulnerability in Ruby 3.1

Zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0, and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstreambufferungets function prepends caller-provided bytes before previously produced output, but...

Astra Linux – Vulnerability in glib2.0

A flaw was discovered in GLib. A integer overflow vulnerability in its Unicode case conversion implementation can lead to memory corruption. By processing specially crafted and extremely large Unicode strings, an attacker could trigger an undersized memory allocation, resulting in out-of-bounds...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: The use-of-memory issue in driveroverrideshow has been fixed. The driveroverrideshow function reads the driveroverride string without holding the devicelock. However, driveroverridestore uses driversetoverride, which...

Astra Linux – Vulnerability in glib2.0

A flaw was discovered in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculations, the library may incorrectly calculate buffer boundaries. This can lead to memory writes outside of the allocated buffer. Applications...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Futex: Do not leak the robustlist pointer during the exec race condition. The functions sysgetrobustlist and compatgetrobustlist use ptracemayaccess to check whether the calling task is allowed to access another task’s...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Team: Move teamdevicetypechange to the end of teamportadd. Attempting to add a port device that is already up will, unsurprisingly, fail. However, this failure occurs before modifying the teamdeviceheaderops. In the case of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: macvlan: The error recovery mechanism in macvlancommonnewlink was fixed. Valis provided a detailed reproduction of the issue that caused the kernel to crash: bash ip link add p1 type veth peer p2 ip link set address...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: qat – Flushes misc workqueue during device shutdown Repeated loading and unloading of a device-specific QAT driver, such as qat4xxx, in a tight loop can lead to a crash due to a use-after-free scenario. This occurs when a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Fixed a use-after-free in nftablesaddchain. nftablesaddchain publishes the chain to table-chains via listaddtailrcu in nftchainadd, before registering hooks. If nftablesregisterhook fails, the error path...

Astra Linux – Vulnerability in glib2.0

A flaw was discovered in glib. Missing validation of the offset and count parameters in the gbufferedinputstreampeek function can lead to an integer overflow during length calculations. When specially crafted values are provided, this overflow results in an incorrect size being passed to memcpy,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3 – Fixed the double-free issue with the tx spare buffer. In the function hns3setringparam, a temporary copy of the ring structure tmprings is created for rollback purposes. However, the txspare pointer in the original ri...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv4: ipgre: make ipgreheader robust Analog to commit db5b4e39c4e6 "ip6gre: make ip6greheader robust" Over the years, syzbot found many ways to crash the kernel in ipgreheader 1. This involves team or bonding drivers ability to...

Astra Linux – Vulnerability in cups

OpenPrinting CUPS is an open-source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and earlier, a local unprivileged user could force cupsd to authenticate against a localhost IPP service controlled by the attacker, using a reusable “Authorization: Local…”...

Astra Linux – Vulnerability in cups

OpenPrinting CUPS is an open-source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and earlier, in a network-exposed cupsd with a shared target queue, an unauthorized client could send a Print-Job to that shared PostScript queue without authentication. The...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: authgss: Fixed memory leaks in XDR decoding error paths. The functions gssxdecctx, gssxdecstatus, and gssxdecname allocate memory through gssxdecbuffer, which calls kmemdup. When a subsequent decoding operation fails, the...

Astra Linux – Vulnerability in Python 3.11

The webbrowser.open API accepts URLs with leading hyphens, which can be treated as command-line options for certain web browsers. However, the new behavior disallows the use of leading hyphens. It is recommended that users sanitize URLs before passing them to webbrowser.open...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sched/rt: The function rtonextcpu should now properly handle situations where only CPU0 is overloaded. In such cases, rtonextcpu should ideally return -1, indicating that no further IPIs are needed. The vulnerability arises when...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bonding: A net pointer to skbflowdissect must be provided. After the code “net: plumb network namespace into skbflowdissect”, we need to provide a net pointer to skbflowdissect, either via skb-dev, skb-sk, or a user-provided...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: rpl: Reserve enough headroom for the MAC header when recompressing the SRH. The function ipv6rplsrhrcv decompresses the RFC 6554 Source Routing Header, swaps the next segment into ipv6hdr-daddr, recompresses it, and then...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation against possible integer overflows. It’s possible to cause the allocation length to overflow with a specially crafted tar file, resulti...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: authencesn – Rejects AADs that are too short assoclen 8 to match the ESP/ESN specification. authencesn assumes that the AAD is in the ESP/ESN format. When the length of assoclen is shorter than the minimum expected length...

Astra Linux – Vulnerability in Python 3.11

The ‘zipfile’ module does not check the validity of the offset value specified in the ZIP64 End of Central Directory EOCD Locator record. Instead, the ZIP64 EOCD record is assumed to be the previous record in the ZIP archive. This behavior could be exploited to create ZIP archives that are...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: algifaead – Reverted to operating out-of-place. This mainly reverts to commit 72548b093ee3, except for the copying of the associated data. There is no benefit in operating in-place in algifaead, as the source and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Team: Fix for checking whether the port is enabled in teamqueueoverrideportpriochanged. A syzkaller bug was recently reported with the following trace: listdel corruption, ffff888058bea080-prev is LISTPOISON2 dead000000000122...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fixed potential overflow of PCM transfer buffer The PCM stream data in the USB-audio driver is transferred via USB URB packet buffers, and the size of each packet is determined dynamically. The packet sizes are...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcmloop: Fixed a segfault in tcmlooptpgaddressshow If the allocation of tlhba-sh fails in tcmloopdriverprobe, and we attempt to dereference it in tcmlooptpgaddressshow, we will encounter a segfault. See below for an...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64: Added support for TSV110 Spectre-BHB mitigation. The TSV110 processor is vulnerable to the Spectre-BHB Branch History Buffer attack, which can be exploited to leak information through branch prediction side channels. This...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fixed a out-of-bounds behavior when dealing with 0 MW LUTs. The number of MW LUTs depends on the NTB configuration and can be set to zero. In such cases, rounddownpowoftwo will cause undefined behavior and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: do not free existing class in qfqchangeclass This fix addresses the issue with the qfqchangeclass function. The cl-qdisc and cl fields should only be freed if a new class and qdisc are allocated; otherwise,...

Astra Linux – Vulnerability in glibc

Using wordexp with WRDEREUSE in conjunction with WRDEAPPEND in the GNU C Library, from version 2.0 to version 2.42, may cause the interface to return uninitialized memory in the wewordv member. This could lead to the process being aborted upon subsequent calls to wordfree...

Astra Linux – Vulnerability in libxml2

A flaw was identified in the RelaxNG parser of libxml2 regarding how external schema inclusions are processed. The parser does not enforce a limit on the inclusion depth when resolving nested directives. Specifically crafted or overly complex schemas can cause excessive recursion during parsing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: pagepool: Always add GFPNOWARN for ATOMIC allocations. Driver developers often forget to include GFPNOWARN when allocating pages from the data path. This is annoying for users, as OOM Out-of-Memory conditions are common. We can...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: accel: bmc150: Fixed an issue with the irq assumption regression. The code in bmc150-accel-core.c unconditionally calls bmc150accelsetinterrupt in the iiobuffersetupops. This occurs, for example, during the runtime PM resume...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4xattrinodedecrefall There's issue as follows: BUG: KASAN: use-after-free in ext4xattrinodedecrefall+0x6ff/0x790 Read of size 4 at addr ffff88807b003000 by task syz-executor.0/15172 CPU: 3 PID:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: tls: Use skdstget and dstdevrcu in getnetdevforsock. getnetdevforsock is called during setsockopt, so it isn’t under RCU. Using skdstgetsk-dev could trigger a Use-After-Forgiving UAF condition. Let’s use skdstget and dstdevrcu...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: Remove RTNL dance for SIOCBRADDIF and SIOCBRDELIF. SIOCBRDELIF is passed to devioctl first and later forwarded to brioctlcall, which causes unnecessary RTNL dance and the splat below 0 under RTNL pressure. Let's say Thread A...

Astra Linux – Vulnerability in python-urllib3

urllib3 is a HTTP client library for Python. The streaming API of urllib3 is designed for efficiently handling large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP...

Astra Linux – Vulnerability in firewalld

A flaw was discovered in firewalld. A local unprivileged user can exploit this vulnerability by misauthorizing two runtime D-Bus Desktop Bus setters, setZoneSettings2 and setPolicySettings. This misauthorization allows the user to modify the runtime firewall state without proper authentication,...

Astra Linux – Vulnerability in Network-Manager

A flaw was discovered in NetworkManager. When a system running NetworkManager with DEBUG logs enabled and an interface eth1 configured with LLDP enabled, a malicious user could inject a malformed LLDP packet. This would cause NetworkManager to crash, resulting in a denial of service...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: libceph: Replace the “overzealous” bug in osdmapapplyincremental. If the osdmap is maliciously corrupted, causing the incremental osdmap epoch to differ from what is expected, there is no need to report a bug. Instead, simply...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check dcehwseq before dereferencing it. WHAT hws was checked for being null earlier in dce110blankstream, indicating that hws can be null. This check should be performed whenever hws is used. Cherry-picked from...