Astra Linux – Vulnerability in Firefox

When String.toUpperCase caused a string to become longer, it was possible for uninitialized memory to be incorporated into the resulting string. This vulnerability was fixed in Firefox 136 and Thunderbird 136...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM – Use kzalloc for SEV ioctl interfaces to prevent kernel data leaks. For some SEV ioctl interfaces, the length parameter passed may be less than or equal to SEVFWBLOBMAXSIZE, but larger than the data returned by the PSP...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: Fields related to NAT expectations are set to zero when CTAEXPECTNAT is not present. The ctnetlinkallocexpect function allocates expectations from a non-zeroing slab cache via nfctexpectalloc. When...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: misc/vmwvmci: fixed an infoleak in vmcihostdoreceivedatagram The struct vmcieventqp allocated by qpnotifypeer contains padding, which may carry uninitialized data to the user space, as observed by KMSAN: BUG: KMSAN:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: consolidate suboption status MPTCP maintains the received sub-options status as a bitmask carrying the received sub-options, with additional information carried in several bitfields for each suboption. Zeroing the bitma...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: efivarfs: fixed error propagation in efivarentryget The efivarentryget function always returns success, even if the underlying efivarentryget function fails, thereby masking errors. This may result in uninitialized heap memory...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Allocate memory before using it. KMSAN reports: Multiple uninitialized values were detected: - KMSAN: uninit-value in ntfsreadhdr 3 - KMSAN: uninit-value in bcmp 3 Memory is allocated by getname, which is a wrapper f...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: comedi: The issue of using uninitialized memory in doinsnioctl and doinsnlistioctl has been fixed. syzbot reports a KMSAN kernel-infosek in doinsnioctl. A kernel buffer is allocated to hold insn-n samples each of which is an...

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

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Fixed an integer overflow in radeoncs parserinit. The type of size is unsigned. If size is 0x40000000, there will be an integer overflow. After size = sizeofuint32t, size will become zero, which may lead to referencin...

Astra Linux – Vulnerability in md4c

The mdanalyzeline function in md4c.c, within md4c 0.4.7, allows attackers to trigger the use of uninitialized memory, thereby causing a denial of service through a malformed Markdown document...

Astra Linux – Vulnerability in Firefox

The MarkStack assignment operator, which is part of the JavaScript engine, could access uninitialized memory if it was used in a self-assignment. This vulnerability affects Firefox versions less than 125...

Astra Linux – Vulnerability in rsync

A flaw was discovered in rsync that can be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length s2length, causing a comparison between a checksum and uninitialized memory, and resulting in the leakage of one byte of uninitialized stack data ...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in vDPA with the VDUSE backend. Currently, there are no checks in the VDUSE kernel driver to ensure that the size of the device configuration space is consistent with the features advertised by the VDUSE user-space application. In the event of a mismatch, the Virtio driver...

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 exim4

In Exim 4.88 before 4.99.4, certain short payloads were handled improperly in some proxy configurations, resulting in uninitialized stack memory values being disclosed to clients...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: asixmdioread: Fix for uninit-value in asixmdioread. asixreadcmd may read less than sizeofsmsr bytes, and in this case, smsr will be uninitialized. Bug reports: BUG: KMSAN: uninit-value in asixcheckhostenable...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k – Avoid referencing uninitialized memory in ath9kwmictrlrx. For the same reasons described in commit b383e8abed41 “Wifi: ath9k – Avoid uninitialized memory reading in ath9khtcrxmsg”, ath9khtcrxmsg should validate the...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory...

Astra Linux – Vulnerability in Firefox and Thunderbird

Uninitialized memory in a canvas object could have led to an incorrect free operation, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.13, and Firefox 91...

Linux Kernel IPv6 Neighbour Discovery Uninitialized Memory Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handlin...