Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a double-free issue related to reregusermr. If IBMRREREGTRANS is set during reregusermr, the umem will be released, and a new umem will be allocated in irdmareregmrtrans. If any step of irdmareregmrtrans fails...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ATA: libata-transport: fixed the double call to atahostput in atatportadd In the error path in atatportadd, when calling putdevice, atatportrelease is called. This function decreases the refcount of ‘ap-host’. Then, atahostput is...

Astra Linux – Vulnerability in OpenSSL

The function PEMreadbioex reads a PEM file from a BIO, parses, and decodes the “name” e.g., “CERTIFICATE”, any header data, and the payload data. If the function succeeds, the “nameout”, “header”, and “data” arguments are populated with pointers to buffers containing the relevant decoded data. Th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: TCP: cdg: allows tcpcdgrelease to be called multiple times. It seems that MPTCP can call tcpdisconnect on a flow that is already disconnected. This is generally fine, unless the current congestion control mechanism is CDG, as ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: exfat: Fixed a double-free operation in the delayedfree function. The double-free could occur at the following paths: c exfatcreateupcasetable exfatcreateupcasetable : Return error exfatfreeupcasetable : Free -volutbl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed wild-memory-access in registersynthevent. In registersynthevent, if setsyntheventprintfmt fails, then both traceremoveeventcall and unregisterTraceEvent will be called. This means that traceeventcall will call...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix double listadd in iwlmvmmacwaketxqueue After a successful station association, if the station queues are disabled for some reason, the related lists are not emptied. Therefore, if a new element is added to...

Astra Linux – Vulnerability in Linux

Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of the Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in orde...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-topology: Prevent double freeing of ipccontroldata via loadbytes We have sanity checks for checking whether the ipccontroldata is freed, and if any of these checks fail, the locally allocated scontrol-ipccontrolda...

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: nfs: fixed UAF in direct writes In production, we have been encountering the following warnings consistently: ------------ cut here ------------ refcountt: underflow; use-after-free. WARNING: CPU: 17 PID: 1800359 at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Fixed corruption in command completion handlers and UAFs Commit 302a1f674c00 “Bluetooth: MGMT: Fixed possible UAFs” introduced mgmtpendingvalid, which not only validates pending commands but also unlinks them...

Astra Linux - уязвимость в u-boot

In “Das U-Boot through 2020.01”, a double-free operation was detected in the cmd/gpt.c file’s dorenamegptparts function. Double-freeing can lead to a “write-what-where” condition, allowing an attacker to execute arbitrary code. NOTE: This vulnerability was introduced when attempting to fix a memo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/slabcommon: fixed a possible double-free of kmemcache When running the slubdebug test, the kfence’s “testmemcachetypesafebyrcu” kunit test case caused a use-after-free error: BUG: KASAN: use-after-free in kobjectdel+0x14/0x30...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: scsi: zfcp: Fix for double-free of FSF request when qdiosend fails We previously used the wrong type of integer in ‘zfcpfsfreqsend’ to cache the FSF request ID when sending a new FSF request. This was necessary in cases where the...

Astra Linux – Vulnerability in glibc

The name server caching daemon nscd in the GNU C Library also known as glibc or libc6 versions 2.29 through 2.33 may crash when processing a request for netgroup lookup. This can potentially lead to degraded service or a Denial of Service on the local system. This issue is related to the...

Astra Linux – Vulnerability in RustC

In the standard library of Rust before version 1.52.0, a double-free error can occur in the Vec::fromiter function if the process of freeing the element causes a panic...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ice: Do not double-unplug the aux device during a peer-initiated reset. In the IDC callback that is called when the aux drivers request a reset, the function to unplug the aux devices is executed. This function is also called in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/synthetic: Fixed races when freeing lastcmd Currently, the “lastcmd” variable can be accessed by multiple processes asynchronously when multiple users manipulate syntheticevents nodes at the same time. This could lead to...

Astra Linux – Vulnerability in Qemu

A double-free vulnerability was identified in QEMU virtio devices virtio-gpu, virtio-serial-bus, virtio-crypto. The memreentrancyguard flag does not provide sufficient protection against reentrancy issues related to DMA operations. This vulnerability could allow a malicious privileged guest user ...

Astra Linux – Vulnerability in libstb

stbimage is a single-file library licensed under MIT that is used for processing images. A properly crafted image file can trigger an attempt by stbiloadgifmainoutofmem to double-free the out variable. This occurs in stbiloadgifmain, because when the layers stride value is zero, the behavior is...