Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fixed a use-after-free in iscsitdecconnusagecount. In iscsitdecconnusagecount, the function calls complete while holding the conn-connusagelock. As soon as complete is invoked, the waiter such as...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ceph: Fixed inode reference leakage in cephgetsnapdir The cephgetinode function will search for or insert a new inode into the hash for the given vino, and return a reference to it. If new is non-NULL, its reference is consumed. ...

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: gadget: udc: fix use-after-free in usbgadgetstatework A race condition during the gadget teardown can lead to a use-after-free in usbgadgetstatework, as reported by KASAN: - BUG: KASAN: invalid-access in sysfs...

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: RDMA: hfi1: Fixed a potential divide-by-zero issue in findhwthreadmask. The function divides the number of online CPUs by numcoresiblings, and then checks if the result is zero. This could lead to a divide-by-zero runtime error...

Astra Linux – Vulnerability in gnutls28

A flaw was discovered in gnutls. A remote attacker could exploit a issue in the Datagram Transport Layer Security DTLS packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. Thi...

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: net/sched: ets: Remove a drr class from the active list if it changes to strict. Whenever a user issues a ets qdisc change command, transforming a drr class into a strict one, the ets code does not check whether that class was in...

Astra Linux – Vulnerability in ffmpeg

A denial-of-service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfileopensector function in wtvdec.c...

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: Squashfs: fixed an issue where uninit-value was accessed in squashfsgetparent. Syzkaller reported a bug titled “KMSAN: uninit-value in squashfsgetparent”. This issue arises when openbyhandleat is called with a file handle...

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: net: skbuff: The SKBFLSHAREDFRAG bit was not properly propagated through the frag-transfer helpers. Two frag-transfer helpers pskbcopyfclone and skbshift fail to propagate the SKBFLSHAREDFRAG bit in skbshinfo-flags when moving...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Driver Core: Fixed a potential deadlock in driverattach. In the driverattach function, there is also an AA deadlock issue, similar to the commit b232b02bf3c2 "Driver Core: Fix Deadlock in deviceattach". The stack trace is as...

Astra Linux – Vulnerability in libmysofa

Incorrect handling of input data in the changeAttribute function in the libmysofa library versions 0.5 to 1.1 may lead to NULL pointer dereferencing and segmentation faults in cases of restrictive memory protection. In cases without memory restrictions e.g., in embedded environments, it may also...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: sctp: Do not free the transport used by the ASCONF during DEL-IP processing. In sctpprocessasconf, the transport used to process the ASCONF chunk is cached under asconf-transport == chunk-transport; set once in sctprcv. For an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Avoid releasing netdev before teardown completes The patch cited in the “Fixes” section below changed the teardown code for OVS ports so that it no longer unconditionally takes RTNL. After this change, the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: ov2740: Fixed a memory leak in ov2740initcontrols There is a memory leak when testing the media/i2c/ov2740.c file using bpf mock. Unreferenced object: 0xffff8881090e19e0 size 16: Command: “51-i2c-ov2740”, PID 278, jiffies...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wan/fslucchdlc: Fixed the dmafreecoherent function in uhdlcmemclean. The priv-rxbuffer and priv-txbuffer are allocated together as contiguous buffers in uhdlcinit, but they are freed as two separate buffers in uhdlcmemclean...

Astra Linux – Vulnerability in libheif

libheif is a decoder and encoder for HEIF and AVIF file formats. In versions 1.21.2 and earlier, a crafted 800-byte HEIF sequence file could cause an infinite loop in the Boxstts::getsampleduration function. This loop consumed 100% of the CPU resources indefinitely, with no progress being made,...

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

In the Linux kernel, the following vulnerabilities have been resolved: hfs: fixed the missing hfsbnodeget function in hfsbnodecreate. Syzbot discovered a kernel bug in hfsbnodeput: Kernel bug at fs/hfs/bnode.c:466! Invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 0 PID: 3634 Comm: kworker/u4:5 Not...

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: Netfilter: xtnfacct – Do not assume that the acct name is terminated with a null character. BUG: KASAN: Out-of-bounds access to memory in ..lib/vsprintf.c:721 Size 1 was read at address ffff88801eac95c8 by task...

Astra Linux – Vulnerability in libxslt

The xsltGetInheritedNsList function in libxslt before version 1.1.43 has a use-after-free issue related to the exclusion of result prefixes...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dm thin: Fixed the ABBA deadlock between shrinkslab and dmpoolabortmetadata. The following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab...