Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dma-debug: prevents an error message from causing runtime problems. For some drivers that use the DMA API, this error message can occur several million times per second. This can lead to excessive use of the kernel’s printk buffe...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: swiotlb: Fixed the issue of information leakage due to DMAFROMDEVICE. The problem I’m addressing was discovered during the LTP test covering cve-2018-1000204. A brief description of what happens is as follows: 1 The test case sen...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/tunnel: Wait until all skuserdata readers complete their operations before releasing the sock. There is a race condition in vxlan where, when deleting a vxlan device during packet reception, there is a possibility that the so...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: eth: mlx4: Fixed the issue where a NULL check was used instead of an ISERR check in mlx4encreaterxring. The NULL check was replaced with an ISERR check after calling pagepoolcreate, as this function returns error pointers ERRPTR...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw was discovered in the Linux kernel. Measuring the usage of shared memory does not scale well with large counts of shared memory segments, which could lead to resource exhaustion and Denial-of-Service attacks...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: md: The mdstopwrites function is called in mdstop. From the link 1, we can see that raid1d was still running even after the path raiddtr - mdstop - mdstop. Let’s stop writing data first in the destructor, to align with the normal...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: rpmsg: qcomsmd: Fixed a refcount leak in qcomsmdParseedge. In qcomsmdParseedge, ofparsephandle returns a node pointer with a refcount incremented. We should use ofnodeput on this pointer after processing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the KASAN use-after-free Read issue in computeeffectiveprogs. Syzbot identified a use-after-free bug in computeeffectiveprogs. The reproducer creates a number of BPF links, causing a failure in the injected allocation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/eprobes: Do not allow eprobes to use $stack, or % for regs While working with event probes eprobes, I tried to see what would happen if I attempted to retrieve the instruction pointer %rip knowing that event probes do not...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A shift-out-of-bounds condition has been fixed due to an overly large exponent of the block size. If the slogblocksize field in the superblock data is corrupted and too large, initnilfs and loadnilfs may still trigger a...

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: bcache: Fixup btreecachewait list damage We encountered a kernel crash due to “listadd corruption”. next-prev should be prev 0xffff9c801bc01210, but it was actually fffff9c77b688237c. Next: 0ffffae586d8afe68. crash struct...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed a UAF Use-After-Free issue caused by a race condition involving ref-proc. A transaction of type BINDERTYPEWEAKHANDLE may fail to increment the reference count of a node. In this case, the target proc normally releas...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix for the missing unmap operation when zerofsgetextentcompressedlen fails. Otherwise, meta buffers could be leaked...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: skbpartialcsumset fix against transport header magic values skb-transportheader uses the special value 0xFFFF to indicate whether the transport header was set or not. We must prevent callers from accidentally setting...

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

In the Linux kernel, the following vulnerability has been resolved: crypto: scomp – fixed the req-dst buffer overflow issue. The size of the req-dst buffer should be checked before copying data from scompscratch-dst to avoid the req-dst buffer overflow problem...

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

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a NULL pointer dereferencing issue in gfs2rgrpdump. Syzkaller reported a NULL pointer dereferencing issue when accessing rgd-rdrgl in gfs2rgrpdump. This can occur when creating rgd-rdgl fails in readrindexentry. A NUL...

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

In the Linux kernel, the following vulnerability has been resolved: xfrm: fixed a slab-use-after-free issue in decodeSession6 When the xfrm device is set to the qdisc of the sfb type, the cb field of the sentskb may be modified during enqueuing. This can lead to a slab-use-after-free when the xfr...

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: SCSI: QLA2xxx – Fixed potential NULL pointer dereferencing issues. The Klocwork tool reported that “curdsd” might be dereferenced. A fix has been added to validate the pointer before dereferencing it...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: blk-iolatency: Fixed imbalances in the number of in-flight IO operations and issues with hanging during offline conditions. iolatency needs to track the number of in-flight IO operations per cgroup. Since this tracking can be...

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

A flaw was discovered in the parsing of extended attributes in the kernel’s ksmbd module. The issue arises due to the lack of proper validation of user-provided data, which can lead to data being read beyond the end of an allocated buffer. An attacker can exploit this vulnerability to disclose...