Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: brcmfmac: pcie: Firmware is released in the brmfipciesetup error path. This prevents memory leaks if the brmfichipgetraminfo function fails. Note that the CLM blob is released in the device removal path...

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 found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: UDP: Fixed memory accounting leak. Matt Dowling reported a strange UDP memory usage issue. Under normal operation, the UDP memory usage reported in /proc/net/sockstat remains close to zero. However, it occasionally spikes to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘tty: ngsm: fix UAF in gsmcleanupmux’” This reversion involves commit 9b9c8195f3f0d74a826077fc1c01b9ee74907239. The above commit was reverted because it did not solve the original issue. The function gsmcleanupmux attempt...

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 found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fixed a use-after-free in iscsitdecconnusagecount. In iscsitdecconnusagecount, the function calls complete while holding the conn-connusagelock. As soon as complete is invoked, the waiter such as...

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 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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pagepool: Avoid infinite loops when scheduling delayed workers. We noticed that the kworker in pagepoolreleaseretry was waking up repeatedly and infinitely in production. This issue was caused by a buggy driver, which resulted in...

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

In the Linux kernel, the following vulnerabilities have been resolved: kcm: Serializing kcmsendmsg for the same socket. syzkaller reported a Use-After-Free error in kcmrelease. 0 The scenario is as follows: 1. Thread A constructs a skb with the MSGMORE flag and sets kcm-seqskb. 2. Thread A...

Astra Linux – Vulnerability in Parsec

The vulnerability of the PARSEC security subsystem is related to the improper release of memory before deleting the last reference. Exploiting this vulnerability allows an attacker to cause a service failure...

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 found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: smb: Client side – fixed a potential deadlock that could occur when releasing mids. All callers of releasemid seem to hold a reference to @mid. Therefore, there is no need to call krefput&mid-refcount, releasemid under...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: misc: fastrpc: Do not remove the map from createprocess and devicerelease functions. Do not remove the map from the list during the error handling in fastrpcinitcreateprocess. Instead, call fastrpcmapput to avoid a...

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 Firefox and Thunderbird

JIT compilation errors in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5...

Astra Linux – Vulnerability in Firefox and Thunderbird

Module load requests that failed were not checked to determine whether they had been cancelled, resulting in a use-after-free in ScriptLoadContext. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers and community members Gabriele Svelto, Andrew Osmond, Emily McDonough, Sebastian Hengst, Andrew McCreight, and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 112 and Firefox ESR 102.10. Some of these bugs exhibited signs of memory corruption, and we assume that...