Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: enetc: avoid buffer leaks on xdpdoredirect failure Before enetccleanrxringxdp calls xdpdoredirect, each software BD in the RX ring between index origi and i can have one of two refcount values on its page. We are the owner o...

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: can: bcm: added locking for bcmop runtime updates. The CAN broadcast manager CAN BCM can send a sequence of CAN frames via hrtimer. The content and length of the sequence can be changed during runtime, after which the ‘currframe’...

Astra Linux – Vulnerability in Intel Microcode

Improper finite state machines in the hardware logic of some 4th and 5th generation IntelR XeonR processors may allow an authorized user to potentially enable denial of service via local access...

Astra Linux – Vulnerability in Intel Microcode

In some IntelR processors, the incorrect order of behavior during the transition between the executive monitor and the SMI transfer monitor STM may allow a privileged user to potentially enable privilege escalation through local access...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: A suspicious RCU usage warning was fixed in iptunnelinitflow. There are code paths where the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. The issue was fixed...

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: udmabuf: fixed an overflow issue related to the buffer size during the creation of udmabuf. By casting sizelimitmb as a u64 type when calculating pglimit...

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: scsi: target: core: Fixed the nullptrderef issue in targetallocdevice There is a nullptrderef issue reported by KASAN: BUG: KASAN: nullptrderef in targetallocdevice+0xbc4/0xbe0 targetcoremod … kasanreport+0xb9/0xf0...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: gpio: pca953x: Fixed the race condition in pca953xirqbussyncunlock. Ensure that i2clock is held when setting the interrupt latch and mask in pca953xirqBusSyncUnlock. This prevents race conditions. Another non-probing call site...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the virtio-fs shared file system daemon virtiofsd of QEMU. The new ‘xattrmap’ option may cause the ‘security.capability’ xattr in the guest to not be dropped when writing files, potentially allowing a modified, privileged executable to be executed within the guest. In rar...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Make sure the first directory block is not a hole. The syzbot constructs a directory that has no dirblock, but it is not inline; in other words, the first directory block is a hole. No errors are reported when creating file...

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: initramfs: Avoid filename buffer overflow The initramfs filename field is defined in Documentation/driver-api/early-userspace/buffer-format.rst as follows: plaintext 37 cpiofile := ALGN4 + cpioheader + filename + "\0" + ALGN4 +...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: Fixed a potential use after free The adap structure should only be freed after we have finished using it. This patch simply moves the putdevice function slightly to avoid the potential issue after freeing the structure. wsa:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfconntrack: A crash occurred when attempting to remove an uninitialized entry from the hash bucket list. A crash occurred while trying to remove the conntrack entry from the hash bucket list: Exception RIP:...

Astra Linux – Vulnerability in xorg-server

A vulnerability was discovered in X.Org. This security flaw arises because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges escalation on systems where the X server is running with privileged access, and may...

Astra Linux – Vulnerability in binutils

The bfdgenericreadminisymbols function in syms.c within the Binary File Descriptor BFD library also known as libbfd, as part of GNU Binutils 2.31, contains a memory leak that can occur due to an improperly crafted ELF file. This leads to a denial of service condition due to excessive memory...

Astra Linux – Vulnerability in curl

There is a vulnerability in input validation in curl 8.0. During communication using the TELNET protocol, this may allow an attacker to send maliciously crafted user names and “telnet options” during server negotiation. The lack of proper input scrubbing allows an attacker to send content or...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed an integer overflow issue while processing the acdirmax mount option. The user-provided mount parameter acdirmax, of type u32, is intended to have an upper limit. However, before this limit is validated, the value is...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: Wait for previous GC cycles when removing a port. The syzbot encountered a use-after-free issue1. This issue occurs because the bridge does not ensure that all previous garbage collection cycles are completed...

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: bpf: Fixed an out-of-bounds write in triegetnextkey The triegetnextkey function allocates a node stack with a size of trie-maxprefixlen. However, it writes trie-maxprefixlen + 1 nodes to the stack when the stack is full, after...

Astra Linux – Vulnerability in gnupg2

GnuPG versions up to 2.3.6 allow for signature forgery in unusual situations where an attacker possesses secret-key information from a victim’s keyring, and other constraints such as the use of GPGME are met. This can be achieved by injecting malicious data into the command line’s status line...

Astra Linux – Vulnerability in openjpeg2

A flaw was discovered in OpenJPEG’s encoder. This flaw allows an attacker to provide specially crafted x,y offset inputs to OpenJPEG during encoding. The greatest threat of this vulnerability is to confidentiality, integrity, and system availability...

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

A issue was discovered in l2capsockrelease in net/bluetooth/l2capsock.c in the Linux kernel before version 6.4.10. There is a use-after-free issue, as the children of a sk object are handled incorrectly...

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

In the Linux kernel, the following vulnerability has been resolved: net: tun: Fix use-after-free in tundetach Syzbot reported a use-after-free in tundetach. This causes a call trace like the following: ================================================================== BUG: KASAN: use-after-free i...

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: xfrm: Validates the prefix length of new SA entries using the SA family, when sel.family is unset. This extends the validation introduced in commit 07bf7908950a “xfrm: Validates address prefix lengths in the xfrm selector”. The...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mctp: Serial: Handling of zero-length frames to prevent RX buffer overflow The MCTP serial receive state machine reads the frame length byte in the mctpSerialPushHeader function’s case 2, and validates it as an upper-bound-only...

Astra Linux – Vulnerability in libstb

STBVorbis is a single-file library licensed under the MIT license, designed for processing OGG Vorbis files. A properly crafted file may trigger an out-of-bounds read in the DECODE macro when var is negative. As can be seen in the definition of DECODERAW, a negative value for var is still a valid...

Astra Linux – Vulnerability in Chromium

Before version 90.0.4430.72, using Blink with Google Chrome on OS X allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Media: vicodec: Fixed an out-of-bounds write in the FWHT encoder. The function vidiocsfmtvidout calculates the size of the encoder’s CAPTURE buffer based on the compressed descriptor pixfmtfwht, where sizeimagemult is 3: codedw...

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: usb: cdns3: Fixed deadlock issue when using the NCM gadget The cdns3 driver suffers from the same deadlock issue as fixed in cdnsp with the commit 58f2fcb3a845 „usb: cdnsp: Fixed deadlock issue during use of the NCM gadget”. Unde...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed out-of-bounds read vulnerabilities. The smtpsetupmsg function may disclose sensitive information from the process memory to an unauthenticated SMTP client...

Astra Linux – Vulnerability in binutils

The getcount function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31, allows remote attackers to cause a denial of service malloc calls with an integer overflow result or potentially have unspecified other impacts through a crafted string, as demonstrated by c++filt...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

Guests running on Arm can cause Denial of Service DoS attacks on Dom0 through PV devices. When mapping memory pages of guests on Arm, Dom0 uses an rbtree to keep track of the foreign mappings. The update of this rbtree does not always occur completely with the relevant lock held, resulting in a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fixed a circular locking dependency in ocfs2initacl. A lockdep warning indicates a circular locking dependency between &oi-ipxattrsem and &journal-jtransbarrier: WARNING: A circular locking dependency was detected. The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: s390/vfioccw: Existing workqueues are canceled. The initialization of the iowork and crwwork workqueues raises the question of whether they should be uninitialized. Add the corresponding cleanup statements in releasedev to ensure...

Astra Linux – Vulnerability in Flatpak

Flatpak is a Linux application sandboxing and distribution framework. Prior to versions 1.14.0 and 1.15.10, a malicious or compromised Flatpak app that used persistent directories could access and write files outside of its usual access rights, which constituted an attack on integrity and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fixed handling of AIF enable without AISB When a guest attempts to register IRQs without a summary bit specified, ensure that the associated GAITE stores 0 for the guest AISB location, instead of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fixed memory leaks in macvlancommonnewlink. kmemleak reports memory leaks in macvlancommonnewlink, as follows: c ip link add link eth0 name .. type macvlan mode source macaddr add kmemleak reports: - A unreferenced...

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: The issue involves bcm: adding missing rcu read protection for procfs content. When the procfs content is generated for a bcmop that is about to be removed, the procfs output might display unreliable data UAF. Since the removal o...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Fixed the calculation of the PBL chunk length. When creating a PBL on the MR register, if it’s an indirect PBL, we create a chunk list to hold the PBL page pointers. Each chunk is 4KB in size and can hold 510 address...

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

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent the null-ptr-deref bug...

Astra Linux – Vulnerability in poppler, poppler-22

A floating-point exception in the PSStack::roll function of Poppler before version 25.04.0 can cause an application to crash when handling malformed inputs associated with INTMIN...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i2c: mux: reg: Check the return value after calling platformgetresource. This issue could lead to a null-ptr-deref in resourcesize if platformgetresource returns NULL. It is recommended to call resourcesize after...

Astra Linux – Vulnerability in Linux-Firmware

A null pointer reference exists in some IntelR Graphics Drivers for Windows prior to version 26.20.100.7212, as well as prior to the release of the Linux kernel version 5.5. This vulnerability could allow a privileged user to exploit the system to cause a denial of service through local access...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed path resolution in ksmbdvfskernpathcreate. The SMB2 open lookup is rooted at the share using LOOKUPBENEATH, but the create/mkdir/hardlink logic does not use this approach. ksmbdvfskernpathcreate generates an...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.11.10. In the drivers/net/ethernet/freescale/gianfar.c file of the Freescale Gianfar Ethernet driver, it was found that a negative fragment size can be calculated in situations where an rx queue overrun occurs when jumbo packets are 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: arp: Prevent overflow in arpreqget. Syzkaller reported an overflow during the write operation in arpreqget. 0 When the ioctlSIOCGARP function is called, arpreqget retrieves a neighbor entry and copies neigh-ha to struct...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: MAC comparisons need to be performed in constant time. To prevent timing attacks, MAC comparisons must be done in constant time. Replace the memcmp function with the correct function, cryptomemneq...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mapletree: Fixed the MASTATEPREALLOC flag in maspreallocate. The preallocation flag is temporarily cleared when explicit requests for allocations are made. Existing allocations are already counted against the request through...

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: drm/amdgpu: Fixed a potential NULL pointer dereference in the atomctrlgetsmcsclkrangetable function. The function atomctrlgetsmcsclkrangetable does not check the return value of smuatomgetdatatable. If smuatomgetdatatable fails t...

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: nbd: defer config put in recvwork There is one UAF issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: - nbdgenlconnect // confref=2 connect and recvwork A - nbdopen // confref=3 - recvwork A completed //...