Astra Linux – Vulnerability in Linux 5.10, Linux

Several Linux PV device frontends are vulnerable to attacks by backends that use grant table interfaces to remove access rights from resources. This can lead to potential data leaks, data corruption by malicious backends, and denial of service attacks. The backends that use these interfaces may n...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BUG: NULL pointer dereference in the kernel, address: 0000000000000038 RIP efxnicupdatestats The function efxnetstats doctgetstats64 can be called during an ethtool self-test. During this period, nicdata-mcstats is NULL because t...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fixed an Oops in the dasdaliasgetstartdev function due to a missing pavgroup parameter. The Oops occurred because the pavgroup pointer was set to NULL before the function was entered. This allowed a race condition...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the issue of not checking the atomicwrite status in f2fs ioctl interfaces. Some f2fs ioctl interfaces, such as f2fsiocsetpinfile, f2fsmovefilerange, and f2fsdefragmentrange, failed to check the atomicwrite status, whi...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: userfaultfd: Fixes the checks for huge PMDs. Patch series “userfaultfd: fix races around pmdtranshuge check”, v2. The pmdtranshuge code in mfillatomic is incorrect in three different ways, depending on the kernel version: 1. T...

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

In the Linux kernel, the following vulnerability has been resolved: dma: Fixed the call order in dmamfreecoherent. dmamfreecoherent frees a DMA allocation, making the freed vaddr available for reuse. Then, it calls devresDestroy to remove and free the data structure used to track the DMA...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: Use ctx-lock to protect member variables related to memory allocation/free operations. The Exynos Virtual Display driver performs memory allocation/free operations without lock protection, which can easily lead ...

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, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed a race condition related to command flushing flows. Fixed a warning due to a reference count issue after freeing memory, caused by a race condition involving command entries. This race condition occurs when one...

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

A race condition was detected in the Linux kernel’s DRM/Exynos device driver, specifically in the exynosdrmcrtcatomicdisable function. This can lead to a null pointer dereferencing issue, which may potentially cause a kernel panic or a denial of service condition...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nexthop: Fixed issues related to data races around nexthopcompatmode. When reading nexthopcompatmode, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel. A race condition between the smb2 close operation and logoff in multi-channel connections could lead to a use-after-free issue...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A potential UAF Use-After-Free error in struct nilfsscinfo can be prevented in nilfssegctorthread. The finalization of nilfssegctorthread may race with nilfssegctorkillthread, which terminates that thread. This could...

Astra Linux – Vulnerability in Samba

All versions of Samba prior to 4.13.16 are vulnerable to a malicious client that can exploit the race condition of SMB1 or NFS to create a directory in an area of the server file system that is not exported under the share definition. Note that SMB1 must be enabled, or the share must also be...

Astra Linux – Vulnerability in Linux 5.10

A use-after-free vulnerability was discovered in the drmleaseheld function in drivers/gpu/drm/drmlease.c in the Linux kernel due to a race condition. This flaw allows a local user privilege attacker to cause a Denial of Service DoS attack or lead to a kernel information leak...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: NFS: Fixed an oopsable condition in nfspageioaddrequest. Ensured that nfspageioerrorcleanup resets the mirror array contents, so that the structure reflects the fact that it is now empty. Also changed the test in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Staging: rtl8712: fixed a use-after-free in rtl8712dlfw Syzbot reported a use-after-free in rtl8712dlfw. The issue occurred due to a race condition between r871xudevremove and dondoopen callbacks. It’s clear from the crash log...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SPI: sun6i – Fixing the race condition between DMA RX transfer completion and RX FIFO drain. Previously, the transfer-completion interrupt would immediately drain the RX FIFO to read any remaining data in the FIFO into the RX...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: Fixed a potential stack-out-of-bounds write in ath9kwmirspcallback. This bug involves writing to wmi-cmdrspbuf, a stack-allocated buffer that may become invalid when a timeout occurs. Set wmi-lastseqid to 0 when a...

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

In the Linux kernel, the following vulnerabilities have been resolved: hwrng: virtio – Fixed a race condition related to dataavail and actual data. The virtio rng device initiates a new entropy request whenever the data available becomes zero. When a new request occurs at the end of a read...