Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed an issue in verifying allowptrleaks. After we changed the capabilities of our networking-bpf program from capsysadmin to capnetadmin+capbpf, our networking-bpf program failed to start. This was because it failed the bp...

Astra Linux – Vulnerability in OpenLDAP

A flaw was discovered in OpenLDAP in versions prior to 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23. The greatest threat of this vulnerability is to system availability...

Astra Linux – Vulnerability in Wireshark

A NULL pointer exception occurs in the Modbus dissector in Wireshark versions 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17, allowing for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

A crash in the PVFS protocol dissector in Wireshark versions 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

Large loops in multiple protocol dissectors in Wireshark versions 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allow denial of service via packet injection or crafted capture files...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfqueue – fixed a possible use-after-free issue. Eric Dumazet says: The sockhold function seems suspicious, as there is no guarantee that skrefcnt is not already 0. In case of failure, we cannot queue the packet and...

Astra Linux – Vulnerability in Wireshark

The iSCSI dissector crashes in Wireshark versions 4.0.0 to 4.0.2, and 3.6.0 to 3.6.10. It allows denial of service through packet injection or with crafted capture files...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed a crash that occurred due to out-of-bounds access to reg2btfids. When the commit e6ac2450d6de "bpf: Support bpf programs that call kernel functions" added support for kfunc, it defined reg2btfids as a convenient way...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fixed a crash that occurred during module load/unload tests. During the purex packet handling, the driver incorrectly freed a pre-allocated structure. This issue was fixed by skipping that specific entry in the...

Astra Linux – Vulnerability in libbpf

A vulnerability was discovered in the Linux kernel. It has been classified as problematic. This issue affects the findprogbysecinsn function in the tools/lib/bpf/libbpf.c file, belonging to the BPF component. The vulnerability results in a null pointer derefrence error. It is recommended that a...

Astra Linux – Vulnerability in Wireshark

Due to a failure in validating the length provided by an attacker-crafted MSMMS packet, Wireshark version 4.0.5 and earlier, under an unusual configuration, is susceptible to a heap-based buffer overflow, and potentially code execution within the context of the process running Wireshark...

Astra Linux – Vulnerability in Wireshark

The iSCSI dissector in Wireshark versions 4.0.0 to 4.0.6 allows for denial of service through packet injection or malicious capture files...

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

In the Linux kernel, the following vulnerabilities have been resolved: Wireguard: Receive: Annotated data-race around receivingcounter.counter. Syzkaller with KCSAN identified a data-race issue when accessing keypair-receivingcounter.counter. Use READONCE and WRITEONCE annotations to mark the dat...

Astra Linux – Vulnerability in Wireshark

The SPRT dissector crash in Wireshark versions 4.2.0 to 4.0.5, and 4.0.0 to 4.0.15 allows denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Protection against accessing NULL pt regs in bpfgettaskstack The taskptregs function can return NULL on the powerpc architecture for kernel threads. This NULL value is then used in bpfgetstack to check for the user mode...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the unrestricted use of the BPFBTFLOAD function, which could lead to an out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTFs. This flaw allows a local user to crash the system or escalate their privileges...

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 libslirp

In slirp.c within libslirp up to version 4.3.1, there is an issue with buffer over-reading. This occurs because the code attempts to read a certain amount of header data, even if that amount exceeds the total packet length...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability has been discovered in the Linux kernel. It has been identified as a problem. The function “followpagepte” in the file “mm/gup.c” of the component BPF is affected by this vulnerability. This manipulation leads to a race condition. The attack can be launched remotely. It is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability has been discovered in the Linux kernel. It has been classified as problematic. The affected function is nilfsnew inode in the file fs/nilfs2/inode.c of the BPF component. This vulnerability allows for manipulation after the memory allocation function free is called. The attack ca...