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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-7100-1
Posted Nov 11, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 7100-1 - Supraja Sridhara, Benedict Schlüter, Mark Kuhne, Andrin Bertschi, and Shweta Shinde discovered that the Confidential Computing framework in the Linux kernel for x86 platforms did not properly handle 32-bit emulation on TDX and SEV. An attacker with access to the VMM could use this to cause a denial of service or possibly execute arbitrary code. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, denial of service, arbitrary, x86, kernel
systems | linux, ubuntu
advisories | CVE-2022-48666, CVE-2024-25744, CVE-2024-26607, CVE-2024-26800, CVE-2024-26893, CVE-2024-36484, CVE-2024-38577, CVE-2024-38602, CVE-2024-38611, CVE-2024-39472, CVE-2024-40915, CVE-2024-41012, CVE-2024-41015, CVE-2024-41020
SHA-256 | 149202c681713c94c011a6f610cf658675b27f1348643a377029ea858ada57be
Ubuntu Security Notice USN-6926-3
Posted Aug 12, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6926-3 - 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 in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-46343, CVE-2023-52436, CVE-2023-52444, CVE-2023-52449, CVE-2023-52469, CVE-2023-52752, CVE-2024-25739, CVE-2024-25744, CVE-2024-26857, CVE-2024-26882, CVE-2024-26923, CVE-2024-27020, CVE-2024-35978, CVE-2024-35997
SHA-256 | 67f80c016324f30ff3664a941b9a12abe1b24c7c9def9edb0d9cde6176d5315c
Ubuntu Security Notice USN-6926-2
Posted Aug 2, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6926-2 - 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 in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-46343, CVE-2023-52435, CVE-2023-52436, CVE-2023-52443, CVE-2023-52444, CVE-2023-52449, CVE-2023-52752, CVE-2024-25739, CVE-2024-25744, CVE-2024-26882, CVE-2024-26901, CVE-2024-26923, CVE-2024-27020, CVE-2024-35978
SHA-256 | 2d46229c1bb410100a951de8431f990f91bf51ba7ec8b3772ca11b05a1a2247c
Ubuntu Security Notice USN-6926-1
Posted Jul 29, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6926-1 - 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 in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-46343, CVE-2023-52436, CVE-2023-52444, CVE-2023-52449, CVE-2023-52469, CVE-2023-52752, CVE-2024-25739, CVE-2024-25744, CVE-2024-26857, CVE-2024-26882, CVE-2024-26923, CVE-2024-27020, CVE-2024-35978, CVE-2024-35997
SHA-256 | 5946767f63c59a1b35d467132768a7ffe22b7db995b64fbe9e4a10be86c172d9
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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