Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Prevent access to vCPU events before initialization Another syzkaller bug. KVM incorrectly allows the user space to pend vCPU events for a vCPU that has not yet been initialized. This leads to KVM interpreting a bunch...

Astra Linux – Vulnerability in Qemu

A issue was discovered in QEMU through version 5.1.0. An out-of-bounds memory access was identified in the ATI VGA device implementation. This flaw occurs in the ati2dblt routine in hw/display/ati2d.c, during handling of MMIO write operations via the atimmwrite callback. A malicious guest could...

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: ice: Fixed a null pointer dereference in icecopyandinitpkg. Added a check on the return value of devmkmemdup to prevent potential null pointer dereferences...

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: mm/memory-failure: Fixed the VMBUGONPAGE issue PagePoisonedpage when unmisting memory was performed. When I conducted memory failure tests, the following panic occurred: Page dumped because: VMBUGONPAGEPagePoisonedpage. Kernel BU...

Astra Linux – Vulnerability in ICU

It was discovered that International Components for Unicode ICU-20850 v66.1 contains a use after free bug in the pkgcreateWithAssemblyCode function in the tools/pkgdata/pkgdata.cpp file...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fixed the race condition related to completed calls. When a call receives an event such as incoming data, the call is placed on the socket’s queue. A thread that is processing recvmsg can be awakened to process this event...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: added a missing check for inode numbers on directory entries. Syzbot reported that mounting and unmounting a specific pattern of corrupted nilfs2 filesystem images causes a use-after-free of metadata file inodes, which...

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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scs: A wrong parameter was fixed in scsmagic. The scsmagic function requires a void variable, but a struct taskstruct is provided instead. taskscstsk represents the starting address of the task’s shadow call stack, and...

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: hfsplus: The issue of missing hfsbnodeget in hfsbnodecreate has been fixed. When sync and link are called concurrently, both threads may enter hfsbnodefind, but fail to find the node in the hash table. As a result, they proceed t...

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: media: rc: fix races with imondisconnect Syzbot reports a KASAN issue as follows: BUG: KASAN: use-after-free in createpipe include/linux/usb.h:1945 inline BUG: KASAN: use-after-free in sendpacket+0xa2d/0xbc0...

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: tpm: Changed to kvalloc in eventlog/acpi.c The following failure was reported on HPE ProLiant D320: 10.693310 T1 tpmtis STM0925:00: 2.0 TPM device-id 0x3, rev-id 0 10.848132 T1 ------------ Cut here ------------ 10.853559 T1...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: qrtr: A refcount bug was fixed in qrtrrecvmsg. Syzbot reported the following bugs: refcountt: Addition of 0; use-after-free. … RIP: 0010:refcountwarnsaturate+0x17c/0x1f0 lib/refcount.c:25 … Call Trace: refcountadd...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “fs/ntfs3: Replace inodetrylock with inodelock” This change is reflected in commit 69505fe98f198ee813898cbcaf6770949636430b. Initially, the conditional lock acquisition was removed to fix a bug in xfstest that was observed during...

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

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fix for defragmentation path triggering jbd2 assertion. Code paths: - ocfs2ioctlmoveextents - ocfs2moveextents - ocfs2defragextent - ocfs2moveextent - + ocfs2journalaccessdi - + ocfs2splitextent // Sub-path calls...

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: ext4: Refresh the inline data size before write operations The cached ei-iInlineSize can become stale between the initial size check and when ext4updateInlineData/ext4createInlineData use it. Although ext4getmaxInlineSize reads t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fixed a NULL pointer dereferencing in nvmeallocadmintags. In nvmeallocadmintags, adminq can be set to an error typically -ENOMEM if the blkmqinitqueue call fails to set up the queue. This check is performed immediately...

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, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ftruncate: passing a signed offset. The old ftruncate system call, which used the 32-bit offt type, missed a sign extension when called in compat mode on 64-bit architectures. As a result, passing a negative length accidentally...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a general protection fault in runismappedfull. ntfscreate inode: Fixed the deletion of a non-resident attribute...