Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ntbnetdev: Use devkfreeskbany in interrupt context. TX/RX callback handlers ntbnetdevtxhandler, ntbnetdevrxhandler can be called in interrupt context via the DMA framework after the respective DMA operations are completed...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed repeated calls to sockput when msg has moredata In the tcpbpfsendverdict redirection, the eval variable is assigned to SKREDIRECT after the applybytes data is sent. If msg has moredata, sockput will be called...

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

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix for the memory leak in mlx5drcmdcreatereformatctx. When mlx5cmdexec fails in mlx5drcmdcreatereformatctx, the memory pointed to by ‘in’ is not released, which can lead to a memory leak. Move the memory release...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Drivers: Base: Resources are freed when a device is unregistered. In the current code, the devresreleaseall function is only called if the device has a bus and has been probed. This leads to issues when using devices that lack a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dax: Fixed the issue where daxmappingrelease was called after the free operation. A test using CONFIGDEBUGKOBJECTRELEASE to remove a device-related dax region e.g., using modprobe -r daxhmem results in the following output:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: For clk: imx: clk-imx8mp, the error handling in imx8mpclocksprobe has been improved. ofiomap and kzalloc have been replaced with devmofiomap and devmkzalloc. This allows for automatic release of the associated memory when the...

Astra Linux – Vulnerability in Firefox and Thunderbird

If a Blob URL is loaded through some unusual user interaction, it may have been loaded by the system principal, granting additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Astra Linux – Vulnerability in Firefox

A transient execution vulnerability, named Floating Point Value Injection FPVI, allowed attackers to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. A related vulnerability, Speculative Code Store Bypass SCSB, did not affect Firefox. This vulnerability affect...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers reported memory safety bugs in Firefox 91 and Firefox ESR 78.13. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Firefox ESR...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: The page is released in the error path to avoid BUGON. Consider the following sequence of events: 1. The userspace sends a UFFD ioctl, which ultimately calls shmemmfillatomicpte. We successfully account the blocks, a...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: tipc: Wait and exit until all work queues are completed On some hosts, a crash could occur simply by repeating these commands several times: bash modprobe tipc tipc bearer enable media udp name UDP1 localip 127.0.0.1 rmmod tipc T...

Astra Linux – Vulnerability in Linux 5.10

A race condition was detected in the Linux kernel’s ebpf verifier between bpfmapupdateelem and bpfmapfreeze, due to a missing lock in the kernel/bpf/syscall.c file. In this flaw, a local user with special privileges capsysadmin or capbpf can modify the frozen mapped address space. This flaw affec...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Correctly track subprogram poke descriptors and fix use-after-free Subprograms call mappoketrack, but during program release, there is no hook to call mappokeuntrack. However, during program release, the auxiliary memory and...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cpufreq: schedutil: Use kobject release method to free sugovtunables The struct sugovtunables is protected by the kobject, so we cannot free it directly. Otherwise, we would receive a call trace like this: ODEBUG: free active...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/nouveau/debugfs: fixed the memory leak when releasing files. When using singleopen to open a file, singlerelease should be called. Otherwise, the memory allocated with singleopen may be leaked...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fixed a potential memory leak in kmemcacheopen. In the error path, the slub cache’s randomseq value might be leaked. This issue was addressed by using kmemcacherelease to release all relevant resources...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: isdn: mISDN: Fixed the sleeping function called from an invalid context. The driver can call the card-isac.release function from an atomic context. This issue was fixed by calling this function after releasing the lock. The...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Fixed a race condition between the release of rpmsgctrldev and cdev The struct rpmsgctrldev contains a struct cdev. The current code releases the rpmsgctrldev struct in rpmsgctrldevreleasedevice, but the cdev is a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xdp, net: Fixed a use-after-free in bpfxdplinkrelease. The issue occurs between devgetbyindex and devxdpattachlink. At this point, devxdpuninstall is called. As a result, the xdp link will not be automatically detached when the...

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...