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CVE-2024-25744

Status Candidate

Overview

In the Linux kernel before 6.6.7, an untrusted VMM can trigger int80 syscall handling at any given point. This is related to arch/x86/coco/tdx/tdx.c and arch/x86/mm/mem_encrypt_amd.c.

Related Files

Ubuntu Security Notice USN-6680-3
Posted Mar 20, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6680-3 - 黄思聪 discovered that the NFC Controller Interface implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service. It was discovered that a race condition existed in the Bluetooth subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-46343, CVE-2023-51779, CVE-2023-51782, CVE-2023-6121, CVE-2023-6560, CVE-2024-0607, CVE-2024-25744
SHA-256 | 9136db56275d13b6398440751a9b14c506abe08de5db364ed3103259404df22a
Ubuntu Security Notice USN-6680-2
Posted Mar 8, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6680-2 - 黄思聪 discovered that the NFC Controller Interface implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service. It was discovered that a race condition existed in the Bluetooth subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-46343, CVE-2023-51779, CVE-2023-51782, CVE-2023-6121, CVE-2023-6560, CVE-2024-0607, CVE-2024-25744
SHA-256 | 6bc81fdaf7d2ab62cb88527ba4630824136da02c06781b70c420f590e02c5a29
Ubuntu Security Notice USN-6680-1
Posted Mar 7, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6680-1 - 黄思聪 discovered that the NFC Controller Interface implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service. It was discovered that a race condition existed in the Bluetooth subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-46343, CVE-2023-51779, CVE-2023-51782, CVE-2023-6121, CVE-2023-6560, CVE-2024-0607, CVE-2024-25744
SHA-256 | 2d0e95b66ec180b53afc0e7cf46240a83376c5acc340939b8b3af331c9190321
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