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CVE-2023-2176

Status Candidate

Overview

A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege.

Related Files

Debian Security Advisory 5658-1txt
Posted Apr 15, 2024
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5658-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2023-2176, CVE-2023-28746, CVE-2023-47233, CVE-2023-52429, CVE-2023-52434, CVE-2023-52435, CVE-2023-52583, CVE-2023-52584, CVE-2023-52587, CVE-2023-52588, CVE-2023-52589, CVE-2023-52593, CVE-2023-52594, CVE-2023-52595
SHA-256 | 37cefcc8693691a29ddc63f10ee46f6f0724bf622031a4c9c4bfc376d40acaae
Ubuntu Security Notice USN-6235-1
Posted Jul 18, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6235-1 - It was discovered that the NTFS file system implementation in the Linux kernel contained a null pointer dereference in some situations. A local attacker could use this to cause a denial of service. 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.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-4842, CVE-2023-0459, CVE-2023-0597, CVE-2023-1073, CVE-2023-2124, CVE-2023-2176, CVE-2023-2430
SHA-256 | 1db303a3b8120ffb0ffbb59ce2ebf898da02dd82d5607f649459f9873e2839cb
Ubuntu Security Notice USN-6228-1
Posted Jul 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6228-1 - It was discovered that the XFS file system implementation in the Linux kernel did not properly perform metadata validation when mounting certain images. An attacker could use this to specially craft a file system image that, when mounted, could cause a denial of service. Wei Chen discovered that the InfiniBand RDMA communication manager implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-2124, CVE-2023-2176
SHA-256 | 8f8d865f126b85f6192802686006792982825aabae2c18b91344b0520edee04f
Ubuntu Security Notice USN-6224-1
Posted Jul 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6224-1 - It was discovered that the XFS file system implementation in the Linux kernel did not properly perform metadata validation when mounting certain images. An attacker could use this to specially craft a file system image that, when mounted, could cause a denial of service. Wei Chen discovered that the InfiniBand RDMA communication manager implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-2124, CVE-2023-2176
SHA-256 | f593341af82820764290fe3e978ab346352c20e780a4e75238de18994e9a02e8
Ubuntu Security Notice USN-6194-1
Posted Jun 30, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6194-1 - Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Xingyuan Mo and Gengjia Chen discovered that the io_uring subsystem in the Linux kernel did not properly handle locking when IOPOLL mode is being used. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-2176, CVE-2023-2430
SHA-256 | fceff39cebcf2eeca72cba0027daddd4cbde95c5ba78c11be2eb7d1492b62426
Ancillary Function Driver (AFD) For Winsock Privilege Escalation
Posted Mar 30, 2023
Authored by Christophe de la Fuente, b33f, Yarden Shafir, chompie | Site metasploit.com

A vulnerability exists in the Windows Ancillary Function Driver for Winsock (afd.sys) can be leveraged by an attacker to escalate privileges to those of NT AUTHORITY\SYSTEM. Due to a flaw in AfdNotifyRemoveIoCompletion, it is possible to create an arbitrary kernel Write-Where primitive, which can be used to manipulate internal I/O ring structures and achieve local privilege escalation. This exploit only supports Windows 11 22H2 up to build 22621.963 (patched in January 2023 updates).

tags | exploit, arbitrary, kernel, local
systems | windows
advisories | CVE-2023-21768
SHA-256 | d5a189a643f3c07d66a853b96018a65f135901780840ff23dc17f6a405330ebb
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