Articles by KENNETH

USN-6081-1: Linux kernel vulnerabilities Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2023-0459) Xingyuan Mo discovered that the x86 KVM implementation in the Linux kernel did not properly initialize some data structures. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2023-1513) It was discovered that a use-after-free vulnerability existed in the iSCSI TCP implementation in the Linux kernel. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-2162) It was discovered that the NET/ROM protocol implementation in the Linux kernel contained a race condition in some situations, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial [ more… ]

USN-6080-1: Linux kernel vulnerabilities It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. (CVE-2022-27672) Zheng Wang discovered that the Intel i915 graphics driver in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-3707) Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2023-0459) It was discovered that the TLS subsystem in the Linux kernel contained a type confusion vulnerability in some situations. A local attacker could use this [ more… ]

USN-6079-1: Linux kernel vulnerabilities It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. (CVE-2022-27672) Ziming Zhang discovered that the VMware Virtual GPU DRM driver in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-36280) Zheng Wang discovered that the Intel i915 graphics driver in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-3707) Haowei Yan discovered that a race condition existed in the Layer 2 Tunneling Protocol (L2TP) implementation in the Linux kernel. A local attacker could possibly use this [ more… ]

USN-6078-1: libwebp vulnerability Irvan Kurniawan discovered that libwebp incorrectly handled certain memory operations. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause libwebp to crash, resulting in a denial of service, or possibly execute arbitrary code. Source: USN-6078-1: libwebp vulnerability

USN-6077-1: OpenJDK vulnerabilities Ben Smyth discovered that OpenJDK incorrectly handled half-duplex connections during TLS handshake. A remote attacker could possibly use this issue to insert, edit or obtain sensitive information. (CVE-2023-21930) It was discovered that OpenJDK incorrectly handled certain inputs. An attacker could possibly use this issue to insert, edit or obtain sensitive information. (CVE-2023-21937) It was discovered that OpenJDK incorrectly handled command arguments. An attacker could possibly use this issue to insert, edit or obtain sensitive information. (CVE-2023-21938) It was discovered that OpenJDK incorrectly validated HTML documents. An attacker could possibly use this issue to insert, edit or obtain sensitive information. (CVE-2023-21939) Ramki Ramakrishna discovered that OpenJDK incorrectly handled garbage collection. An attacker could possibly use this issue to bypass Java sandbox restrictions. (CVE-2023-21954) Jonathan Looney discovered that OpenJDK incorrectly handled certificate chains during TLS session negotiation. A remote [ more… ]