#ubuntu

Ubuntu Security Notice 6795-1 - Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service. It was discovered that the Open vSwitch implementation in the Linux kernel could overflow its stack during recursive action operations under certain conditions. A local attacker could use this to cause a denial of service.

Ubuntu Security Notice 6794-1 - It was discovered that FRR incorrectly handled certain malformed BGP and OSPF packets. A remote attacker could use this issue to cause FRR to crash, resulting in a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 6792-1 - Naom Moshe discovered that Flask-Security incorrectly validated URLs. An attacker could use this issue to redirect users to arbitrary URLs.

Ubuntu Security Notice 6793-1 - It was discovered that Git incorrectly handled certain submodules. An attacker could possibly use this issue to execute arbitrary code. This issue was fixed in Ubuntu 22.04 LTS, Ubuntu 23.10 and Ubuntu 24.04 LTS. It was discovered that Git incorrectly handled certain cloned repositories. An attacker could possibly use this issue to execute arbitrary code.

Ubuntu Security Notice 6791-1 - It was discovered that Unbound could take part in a denial of service amplification attack known as DNSBomb. This update introduces certain resource limits to make the impact from Unbound significantly lower.

Ubuntu Security Notice 6790-1 - It was discovered that amavisd-new incorrectly handled certain MIME email messages with multiple boundary parameters. A remote attacker could possibly use this issue to bypass checks for banned files or malware.

Ubuntu Security Notice 6789-1 - Amel Bouziane-Leblond discovered that LibreOffice incorrectly handled graphic on-click bindings. If a user were tricked into clicking a graphic in a specially crafted document, a remote attacker could possibly run arbitrary script.

Ubuntu Security Notice 6788-1 - Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

Ubuntu Security Notice 6786-1 - It was discovered that Netatalk did not properly protect an SMB and AFP default configuration. A remote attacker could possibly use this issue to execute arbitrary code.

Ubuntu Security Notice 6673-3 - USN-6673-1 provided a security update for python-cryptography. This update provides the corresponding update for Ubuntu 24.04 LTS. It was discovered that python-cryptography incorrectly handled memory operations when processing mismatched PKCS#12 keys. A remote attacker could possibly use this issue to cause python-cryptography to crash, leading to a denial of service. This issue only affected Ubuntu 23.10.