ngtcp2 安全漏洞

ngtcp2 is an open source library for ngtcp2. A security vulnerability exists in ngtcp2 that stems from a buffer overflow caused by ack not being validated before writing to the qlog...

CVE-2024-50154

The CVE-2024-50154 vulnerability is in the Linux kernel. Root cause: a use-after-free can occur in reqsk_timer_handler() when a race around timer_pending() in reqsk_queue_unlink() allows a timer to fire after the socket is closed. The fix prevents del_timer_sync() from being missed by removing ti...

CVE-2024-50154 tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timerpending in reqskqueueunlink. Martin KaFai Lau reported use-after-free 0 in reqsktimerhandler. """ We are seeing a use-after-free from a bpf prog attached to tracetcpretransmitsynack. The program passes th...

OESA-2024-2295 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix possible null pointer dereference. This patch fixes possible null pointer dereference in files "rvudebugfs.c" and "rvunix.c"CVE-2021-47484 In t...

New Gorilla Botnet Launches Over 300,000 DDoS Attacks Across 100 Countries

Cybersecurity researchers have discovered a new botnet malware family called Gorilla aka GorillaBot that draws its inspiration from the leaked Mirai botnet source code. Cybersecurity firm NSFOCUS, which identified the activity last month, said the botnet "issued over 300,000 attack commands, with...

DEBIAN-CVE-2024-44945

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink: Initialise extack before use in ACKs Add missing extack initialisation when ACKing BATCHBEGIN and BATCHEND...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel has a security vulnerability that stems from not initializing extack in ACK...

OVHcloud Hit with Record 840 Million PPS DDoS Attack Using MikroTik Routers

French cloud computing firm OVHcloud said it mitigated a record-breaking distributed denial-of-service DDoS attack in April 2024 that reached a packet rate of 840 million packets per second Mpps. This is just above the previous record of 809 million Mpps reported by Akamai as targeting a large...

New Golang-Based Zergeca Botnet Capable of Powerful DDoS Attacks

Cybersecurity researchers have uncovered a new botnet called Zergeca that's capable of conducting distributed denial-of-service DDoS attacks. Written in Golang, the botnet is so named for its reference to a string named "ootheca" present in the command-and-control C2 servers "ootheca.pw" and...

CVE-2024-39920

A flaw was found in the TCP protocol in RFC 9293. The TCP protocol has a timing side channel that makes it easier for remote attackers to infer the content of one TCP connection from a client system to any server when that client system is concurrently obtaining TCP data at a slow rate from an...

CVE-2024-39920

The TCP protocol in RFC 9293 has a timing side channel that makes it easier for remote attackers to infer the content of one TCP connection from a client system to any server, when that client system is concurrently obtaining TCP data at a slow rate from an attacker-controlled server, aka the...

CVE-2024-39920

The TCP protocol in RFC 9293 has a timing side channel that makes it easier for remote attackers to infer the content of one TCP connection from a client system to any server, when that client system is concurrently obtaining TCP data at a slow rate from an attacker-controlled server, aka the...

OPENSUSE-SU-2024:10014-1 ack-2.15_02-1.3 on GA media

These are all security issues fixed in the ack-2.1502-1.3 package on the GA media of openSUSE Tumbleweed...

SUSE CVE-2023-52881

In the Linux kernel, the following vulnerability has been resolved: tcp: do not accept ACK of bytes we never sent This patch is based on a detailed report and ideas from Yepeng Pan and Christian Rossow. ACK seq validation is currently following RFC 5961 5.2 guidelines: The ACK value is considered...

CVE-2023-52881

In the Linux kernel, the following vulnerability has been resolved: tcp: do not accept ACK of bytes we never sent This patch is based on a detailed report and ideas from Yepeng Pan and Christian Rossow. ACK seq validation is currently following RFC 5961 5.2 guidelines: The ACK value is considered...

CVE-2023-52881 tcp: do not accept ACK of bytes we never sent

In the Linux kernel, the following vulnerability has been resolved: tcp: do not accept ACK of bytes we never sent This patch is based on a detailed report and ideas from Yepeng Pan and Christian Rossow. ACK seq validation is currently following RFC 5961 5.2 guidelines: The ACK value is considered...

CVE-2023-52881

The CVE-2023-52881 entry describes a Linux kernel defect where the TCP ACK validation allowed acknowledging data never sent (ghost ACKs). Root cause: ACK sequence checks (per RFC 5961 guidance) could be bypassed, enabling ACKs that acknowledge bytes not yet transmitted, potentially leaking server...

CVE-2023-52881 tcp: do not accept ACK of bytes we never sent

In the Linux kernel, the following vulnerability has been resolved: tcp: do not accept ACK of bytes we never sent This patch is based on a detailed report and ideas from Yepeng Pan and Christian Rossow. ACK seq validation is currently following RFC 5961 5.2 guidelines: The ACK value is considered...

CVE-2023-52881: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tcp: do not accept ACK of bytes we never sent This patch is based on a detailed report and ideas from Yepeng Pan and Christian Rossow. ACK seq validation is currently following RFC 5961 5.2 guidelines: The ACK value is considered...

UBUNTU-CVE-2023-52700

In the Linux kernel, the following vulnerability has been resolved: tipc: fix kernel warning when sending SYN message When sending a SYN message, this kernel stack trace is observed: ... 13.396352 RIP: 0010:copyfromiter+0xb4/0x550 ... 13.398494 Call Trace: 13.398630 13.398630 ? allocskb+0xed/0x1a...