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

In the Linux kernel, the following vulnerability has been resolved: liquidio: The handling of NULL pointers in liovfrepcopypacket was adjusted. In liovfrepcopypacket, pginfo-page is compared to a NULL value, but it is then unconditionally passed to skbaddrxfrag, which seems strange and could lead...

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

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Restore allocated resources in case of failed copyout operations. Correct a resource leak that occurred due to errors...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: handle fastopen disconnect correctly Syzbot was able to trigger a data stream corruption: WARNING: CPU: 0 PID: 9846 at net/mptcp/protocol.c:1024 mptcpcleanuna+0xddb/0xff0 net/mptcp/protocol.c:1024 Modules linked in: CPU: 0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86 – Handling of SRCU initialization failures during page track initialization Check the return value of initsrcustruct, which may fail due to OOM conditions when initializing the page track mechanism. Lack of checking lead...

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

In the Linux kernel, the following vulnerability has been resolved: UDF: Detection of system inodes linked into the directory hierarchy When the UDF filesystem is corrupted, hidden system inodes may be linked into the directory hierarchy. This can lead to further serious corruption of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mm/vmalloc: fixed vmalloc, which may return null if called with GFPNOFAIL. The commit a421ef303008 "mm: allow !GFPKERNEL allocations for kvmalloc" includes support for GFPNOFAIL, but it creates a conflict with the commit...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: The guard that prevented illegal access to the APIC register has been restored. According to SDM, “Any access that touches the bytes 4 through 15 of an APIC register may cause undefined behavior and must not be...

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

In the Linux kernel, the following vulnerabilities have been resolved: KVM: Destroy the target device if coalescing MMIO unregistration fails Destroy and free the target coalesced MMIO device if unregistering the device fails. As clearly noted in the code, kvmiobusunregisterdev does not destroy t...

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: rapidio: A check for rioaddnet has been added in rioscanallocnet. The return value of rioaddnet should be checked. If it fails, putdevice should be called to free the memory and release the references initialized during rioaddnet...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: An out-of-bounds access issue in parsesecdesc has been fixed. If osidoffset, gsidoffset, and dacloffset can be greater than smbntsdstruct.size. If they are smaller, it could lead to an out-of-bounds situation. Additionally...

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: jbd2: fixed data-race and null-ptr-deref in jbd2journaldirtymetadata Since handle-htransaction may be a NULL pointer, we should change it by calling ishandleabortedhandle before dereferencing it. The following data-race was...

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: SUNRPC: Make sure the cache entry is active before calling cacheshow. The function cshow was called with protection from RCU. This only ensures that cp will not be freed. As a result, the reference count of cp can drop to zero,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Remove the user-triggered WARN message emitted by nestedsvmloadcr3. Remove the WARN message generated by svmsetnestedstate in nestedsvmloadcr3 failure cases. This message can be easily triggered from userspace by...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The nfqnlmangle function in net/netfilter/nfnetlinkqueue.c in the Linux kernel, as of version 5.18.14, allows remote attackers to cause a denial of service panic. This occurs because, in the case of an nfqueue verdict with a one-byte nftapayload attribute, an skbpull operation may encounter a...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fixed a crash that occurred during the transportportremove function, by using iocinfo. During this function, messages were logged via devprintk regarding &mpt3sasport-port-dev. At this point, the SAS transport devi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Cancel the mesh send timer when the hdev is removed The meshsenddone timer is not canceled when the hdev is removed, which can cause a crash if the timer triggers after the hdev is gone. Cancel the timer when...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue of information leakage in f2fsmoveInlinedirents has been fixed. When converting an inline directory to a regular one, f2fs leaks uninitialized memory to the disk because it does not initialize the entire directory...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fixed a reference count leak in pprnotifier. According to the comments for pcigetdomainbusandslot, it returns a PCI device with a reference count that increments after use. The caller must decrement the reference count...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix invalid dereference of sblvbptr I encounter issues when placing an lkbsb on the stack and having the sblvbptr field point to a dangling pointer, without using DLMLKFVALBLK. This will cause a crash with the following...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mm/khugepaged: fixed -anonvma race condition If an -anonvma is attached to the VMA, the collapseandfreepmd function requires it to be locked. Page table traversal is allowed under either the mmap lock, the anonvma lock if the...