Astra Linux - уязвимость в u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is an unbounded memcpy operation when parsing a UDP packet, due to an underflow of the netprocessreceivedpacket integer value during the ncinputpacket call...

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

In the Linux kernel, the following vulnerability has been resolved: BPF, sockmap: Prevent lock inversion deadlock in mapdeleteelem operation. The syzkaller started using corpuses where a BPF tracing program deletes elements from a sockmap/sockhash map. Since BPF tracing programs can be invoked fr...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fixed an issue where the data length of the skb structure was underflowed. A BUGON will be triggered in include/linux/skbuff.h, resulting in intermittent kernel panics when a length underflow is detected. This issu...

Astra Linux – Vulnerability in Wireshark

Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service through packet injection or crafted capture files...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: prevented decltag from being referenced in funcproto Syzkaller was able to exploit the following issue: ------------ cut here --- WARNING: CPU: 0 PID: 3609 at kernel/bpf/btf.c:1946 btftypeidsize+0x2d5/0x9d0...

Astra Linux – Vulnerability in Wireshark

A memory leak in the BT SDP dissector in Wireshark versions 4.0.0 to 4.0.7 and 3.6.0 to 3.6.15 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

Due to a failure in validating the length provided by a CP2179 packet crafted by an attacker, Wireshark versions 2.0.0 through 4.0.7 are vulnerable to a denial-of-service attack that exploits this flaw...

Astra Linux – Vulnerability in Wireshark

The LISP dissector’s large loop in Wireshark versions 4.0.0 to 4.0.4, and 3.6.0 to 3.6.12 allows for 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: idpf: A kernel panic occurs when dealing with unknown packet types. In the very rare case where a packet type is unknown to the driver, idpfrxprocessskbfields will return early without calling ethtypetrans to set the skb protocol...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf, s390: Fixed a potential memory leak related to jitdata. Make sure that jitdata is freed through kfree in the error path...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix insufficient bounds propagation from adjustscalarminmaxvals Kuee reported a corner case where the tnum becomes constant after the call to regboundoffset, but the bounds of the register are not correct. In particular, the...

Astra Linux – Vulnerability in libpcap

The sf-pcapng.c file in libpcap before version 1.9.1 does not properly validate the PHB header length before allocating memory...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix for constant blinding in PROBEMEM32 stores The immediate stores of BPFST|BPFMEM32 are not handled by bpfjitblindinsn. This allows user-controlled 32-bit immediate values to survive blinding and be included in JIT-compile...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: vmxnet3: Packet corruption occurred in vmxnet3xdpxmitframe. Andrew and Nikolay reported connectivity issues with Cilium’s service load-balancing in the case of vmxnet3. If a BPF program for native XDP adds an encapsulation header...

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 in Wireshark

A NULL pointer exception occurs in the IEEE 802.11 dissector in Wireshark versions 3.4.0 to 3.4.9, and 3.2.0 to 3.2.17. This exception allows for denial of service through packet injection or the use of crafted capture files...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/packet: fixed a slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket uses PACKETCOPYTHRESH and mmap operations, tpacketrcv queues SkBs with garbage in skb-cb, causing an excessive copy...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: slab: fixed the context check for kmallocnolock in the PREEMPTRT kernel mode. In PREEMPTRT kernels, locallock acts as a sleeping lock. The current check in kmallocnolock only verifies that the context does not match NMI or hard I...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/bpf: Fixed the detection of BPF atomic instructions. The commit 91c960b0056672 “bpf: Rename BPFXADD and prepare to encode other atomic instructions in .imm” changed BPFXADD to BPFATOMIC and added a mechanism to...

Astra Linux - уязвимость в u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is an unbounded memcpy operation when parsing a UDP packet, due to an underflow of the netprocessreceivedpacket integer during the udppackethandler call...