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/i915/gt: Resets queuepriorityhint when the queue is empty. Originally, with strict order execution, execution could only be completed when the queue was empty. Preempt-to-busy allows for the replacement of an active request...

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

In the drivers/md/dm-ioctl.c file of the Linux kernel, up to version 6.7.1, copyparams may attempt to allocate more than INTMAX bytes, resulting in a crash due to the absence of the paramkernel-datasize check. This issue is related to ctlioctl...

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

In the Linux kernel, the following vulnerability has been resolved: tomoyo: Fixed the UAF write bug in tomoyowritecontrol. Since tomoyowritecontrol updates head-writebuf when the write function is called for long lines, we need to retrieve head-writebuf after holding head-iosem. Otherwise,...

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

In the Linux kernel, the following vulnerability has been resolved: “pipe: wakeup wrwait after setting maxusage” The commit c73be61cede5 “pipe: Add general notification queue support” introduced a regression that could cause pipes with resized sizes to become locked under certain conditions. See...

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

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: Fixed a possible NULL pointer dereferencing caused by driver concurrency. In dwc2hcdurbenqueue, the statement “urb-hcpriv = NULL” is executed without holding the lock “hsotg-lock”. In dwc2hcdurbdequeue: c...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: The existing SPTE is dropped/zapped even when creating an MMIO SPTE. When installing an emulated MMIO SPTE, do so after dropping/zapping the existing SPTE if it’s shadow-present. While the commit a54aa15c6bda3 was...

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

In the Linux kernel, the following vulnerability has been resolved: In ext4, the “set goal start” operation is performed correctly in ext4mbnormalizerequest. We need to set acgex to notify the goal start used in ext4mbfindbygoal. Instead of using acfex, we should use acgex in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext2/dax: Fixed ext2setsize when len is page-aligned. The PAGEALIGNx macro returns the next highest value that is a multiple of the page size. However, if x is already page-aligned, it simply returns x. Therefore, if x is passed ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed the bug in estreesearch Hulk Robot reported a BUG: kernel BUG at fs/ext4/extentsstatus.c:199! ... RIP: 0010:ext4esend fs/ext4/extentsstatus.c:199 inline RIP: 0010:estreesearch+0x1e0/0x260 fs/ext4/extentsstatus.c:21...

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

In the Linux kernel, the following vulnerabilities have been resolved: llc: Support for ETHPTR8022 has been removed. The syzbot reported a bug related to uninit-values. 0 llc previously supported ETHP8022 0x0004 and also ETHPTR8022 0x0011. The syzbot exploited this to trigger the bug. The code us...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: locking/qrwlock: Fixed the ordering in queuedwritelockslowpath While this code is executed with waitlock held, a reader can acquire the lock without holding waitlock. The writer side loops checking the value using...

Astra Linux – Vulnerability in gdisk

In the LoadPartitionTable function of gpt.cc, there is a potential out-of-bounds write vulnerability due to a missing bounds check. This could lead to a local escalation of privileges when inserting a malicious USB device, without the need for additional execution privileges. User interaction is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed the inode leak in btrfsiget. BUG There is a bug report that a syzbot reproducer can cause the following issue: A busy inode occurs at the time of unmount: - BTRFS info device loop1: Last unmount of the filesystem...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: The hash table is now created per queue. Sharing a global hash table among all queues is tempting, but it can lead to crashes. Bug: KASAN: A “slab-use-after-free” issue exists in...

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

A use-after-free flaw was discovered in the ext4remount function in the fs/ext4/super.c file within ext4 in the Linux kernel. This flaw allows a local user to cause an information leak issue when freeing the old quota file names before a potential failure, resulting in a use-after-free condition...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: emu10k1: Fixed an out-of-bounds access in sndemu10k1pcmchannelalloc The voice allocator sometimes begins allocating from near the end of the array, and then wraps around. However, sndemu10k1pcmchannelalloc accesses the newl...

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: Fixed a double-free of blocks due to incorrect movedlen values during extent movements. In ext4moveextents, movedlen is updated only when all movements are successfully executed. It also discards preallocations for originod...

Astra Linux – Vulnerability in Vim

Buffer over-reading in the findnextquote function in the GitHub repository’s Vim/Vim version prior to 8.2.4925. These vulnerabilities can cause software to crash, modify memory, and may lead to remote execution...

Astra Linux – Vulnerability in Tiff

LibTIFF 4.4.0 contains an out-of-bounds read vulnerability in tiffcrop, located at line 3592 of tools/tiffcrop.c. This vulnerability allows attackers to cause a denial-of-service attack through a malicious tiff file. For users who compile LibTIFF from source code, the fix is available in the comm...

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...