Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ICMP messages are rate-limited. After the committed issues, the two rate limiters are applied in this order: 1 Host-wide rate limit icmpglobalallow 2 Per-destination rate limit based on inetpeer To avoid side-channel attacks, we...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: mmc: mxcmmc: Fix the return value check in mmcaddhost. mmcaddhost may return an error. If we ignore its return value, the memory allocated by mmcallochost will be leaked, leading to a kernel crash due to the removal of devices...

Astra Linux – Vulnerability in Apache2

In some modssl configurations on the Apache HTTP Server 2.4.35 to 2.4.63, it is possible for trusted clients to bypass access controls using TLS 1.3 session resumption. These configurations are affected when modssl is configured for multiple virtual hosts, with each virtual host restricted to a...

Astra Linux – Vulnerability in wget

In GNU Wget version 1.24.5, url.c handles semicolons in the userinfo subcomponent of a URI incorrectly. As a result, there may be insecure behaviors where data that should be within the userinfo subcomponent is misinterpreted as being part of the host subcomponent...

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

In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: Fixed double-free on error For example, if the ataportalloc call in atahostalloc fails, we will jump to the errout label, which will call devresreleasegroup. devresreleasegroup will trigger a call to...

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

In the Linux kernel, the following vulnerability has been resolved: The enicsetvfport function assumes that the nl attribute IFLAPORTPROFILE has a length of PORTPROFILEMAX, and that the nl attributes IFLAPORTINSTANCEUUID and IFLAPORTHOSTUUID have a length of PORTUUIDMAX. These attributes are...

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

In the Linux kernel, the following vulnerabilities have been resolved: ata: libata-core: Fixed null pointer dereference on error If the ataportalloc call in atahostalloc fails, atahostrelease will be called. However, the code in atahostrelease attempts to free the members of the ataport struct...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. This flaw occurs when dropping packets during a bulk transfer from a SPICE client, due to the packet queue being full. A malicious SPICE client could exploit this flaw to call the free function in...

Astra Linux – Vulnerability in docker.io

Moby is an open-source project created by Docker to enable software containerization. A bug was discovered in Moby Docker Engine where attempting to copy files using docker cp into a specially crafted container can result in changes to Unix file permissions for existing files in the host’s...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU implementation of VMWare’s paravirtual RDMA device. The issue arises when handling the “PVRDMACMDCREATEMR” command due to improper memory remapping mremap. This flaw allows a malicious guest to crash the QEMU process on the host. The greatest threat posed by this...

Astra Linux – Vulnerability in Containerd

Containerd is a container runtime. A bug was discovered in containerd versions prior to 1.4.8 and 1.5.4, where pulling and extracting a specially crafted container image could result in changes to Unix file permissions for existing files in the host’s filesystem. Changes to file permissions could...

Astra Linux – Vulnerability in Qemu

A heap-based buffer overflow was discovered in QEMU version 5.0.0 in the SDHCI device emulation support. This vulnerability could occur during a multi-block SDMA transfer using the sdhcisdmatransfermultiBlocks routine in the hw/sd/sdhci.c file. A malicious user or process could exploit this flaw ...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the KVM’s AMD code, responsible for supporting SVM nested virtualization. The flaw occurs during the processing of the VMCB virtual machine control block provided by the L1 guest, which is used to spawn or handle a nested guest L2. Due to improper validation of the “intct...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mmc: vub300 – Fixed the return value check in mmcaddhost. If we ignore the return value of mmcaddhost, the memory allocated in mmcallochost may be leaked, leading to a kernel crash due to the removal of devices that were not...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mmc: omaphsmmc: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, it will cause two issues: 1. The memory allocated in mmcallochost may be leaked. 2. In the...

Astra Linux – Vulnerability in Qemu

A divide-by-zero issue was discovered in dwc2handlepacket in hw/usb/hcd-dwc2.c, within the hcd-dwc2 USB host controller emulator in QEMU. A malicious guest could exploit this flaw to crash the QEMU process on the host, resulting in a denial of service...

Astra Linux – Vulnerability in Apache Log4j2

Improper validation of certificates with host mismatches in the Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack, thereby leaking any log messages sent through that appender. This issue has been fixed in Apache Log4j 2.12.3 and 2.13....

Astra Linux – Vulnerability in Qemu

An information disclosure vulnerability was discovered in the virtio vhost-user GPU device vhost-user-gpu of QEMU in versions up to and including 6.0. The flaw resides in the virglcmdgetcapsetinfo function in contrib/vhost-user-gpu/virgl.c, and can occur due to the reading of uninitialized memory...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the KVM’s AMD code, which handles SVM nested virtualization. The flaw occurs during the processing of the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the “virtext” field, this issue could all...

Astra Linux – Vulnerability in Qemu

A use-after-free vulnerability was discovered in the virtio-net device of QEMU. This vulnerability can occur when the address of the descriptor belongs to the non-direct access region, due to the numbuffers being set after the virtqueue elem has been unmapped. A malicious guest can exploit this...