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

In the Linux kernel, the following vulnerability has been resolved: inotify: Avoid reporting events with an invalid wd value. When inotifyfreeingmark races with inotifyhandleinodeevent, it is possible that inotifyhandle inodeevent sees that imark-wd has already been reset to -1 and reports this...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: rxrpc: fixed a race condition in rxrpcexitnet The current code may lead to the following race condition: CPU0 CPU1 rxrpcexitnet rxrpcpeerkeepaliveworker if rxnet-live rxnet-live = false; deltimersync&rxnet-peerkeepalivetimer;...

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

The dotlsgetsockopt function in net/tls/tlsmain.c in the Linux kernel, up to version 6.2.6, lacks a locksock call, resulting in a race condition. This can lead to a use-after-free issue or a NULL pointer dereferencing...

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

A use-after-free vulnerability exists in the netfilter component of the Linux kernel’s code, specifically the nftables module. This vulnerability can be exploited to achieve local privilege escalation. Due to a race condition between the netlink control plane transaction of the nftables module an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/smc: fixed the issue where NULL sndbufdesc was used in smccdctxhandler. When performing a stress test on SMC-R using the rmmod mlx5ib driver during the wrk/nginx test, we found that there is a possibility of triggering a pani...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: slab: Avoid race conditions in allocslabobjexts. If two competing threads enter allocslabobjexts, and one of them fails to allocate the object extension vector, it may override the valid slab-objexts allocated by the other thread...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability, classified as problematic, was discovered in the Linux kernel. This vulnerability affects the tcpgetsockopt/tcpsetsockopt functions of the TCP Handler component. Manipulation of these functions can lead to a race condition. It is recommended that a patch be applied to address thi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fixed an SError in ufshcdrtcwork during UFS suspend. In ufshcdwlsuspend, canceldelayedworksync is called to cancel the UFS RTC work. However, this function is called after ufshcdvopssuspendhba, pmop, POSTCHANGE...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed an assertion issue when starting the balance operation. The use of “exclusive” status for balance operations is compatible with paused balance and device addition. However, this complicates certain situations. The...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed a race condition in hidpsessionthread. There is a potential race condition in hidpsessionthread that may lead to a use-after-free. For example, the timer is active while hidpdeltimer is called in hidpsessionthrea...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

A race condition was detected in the Linux kernel’s media/xc4000 device driver, specifically in the xc4000getfrequency function. This can lead to a return value overflow issue, potentially causing malfunctions or denial-of-service problems...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86: The movement of the event pointer was moved earlier in x86pmuenable. A production AMD EPYC system crashed due to a NULL pointer dereference in the PMU NMI handler: BUG: NULL pointer dereference in the kernel, address:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: pidff: Fix for the condition effect bit clearing issue As reported by MPDarkGuy on Discord, NULL pointer dereferencing occurred because not all conditional effect bits were cleared. Properly clear all conditional effect bits...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: perf/core: Fixed a reference count bug and a potential UAF in perfmmap. Syzkaller reported a refcountt issue where the increment of the reference count was set to 0; there was also a warning about a use-after-free when using...

Astra Linux – Vulnerability in Linux, Linux 5.10

In several functions of binder.c, there is a possibility of representing the wrong domain to SELinux due to a race condition. This could lead to a local escalation of privileges without the need for additional execution privileges. User interaction is not required for exploitation. Product:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fbdev: defio: fixed the pagelist corruption Corruption of the list can easily occur in the following situations: == List addition corruption. prev-next should be next ffffffffc0ceb090, but it was ffffec604507edc8...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Fixed the handling of cached open files in the nfsd4open code path. The commit fb70bf124b05 “NFSD: Instantiate a struct file when creating a regular NFSv4 file” added the ability to cache an open file descriptor across...

Astra Linux – Vulnerability in libvirt

A flaw was discovered in the libvirt nwfilter driver. The virNWFilterObjListNumOfNWFilters method failed to acquire the driver-nwfilters mutex before iterating over virNWFilterObj instances. There was no protection to prevent another thread from concurrently modifying the driver-nwfilters object...

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

In the Linux kernel, the following vulnerability has been resolved: Media: BTTV – Fixed an issue where a use-after-free error occurred due to the btv-timeout timer. There may be a race condition between the btvirqtimeout timer function and bttvremove. The timer is set up in the probe phase, and...

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...