CVE-2023-0461

There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege. There is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock. When CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is created from the listener, the context is inherited and vulnerable. The setsockopt TCP_ULP operation does not require any privilege. We recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*

History

21 Nov 2024, 07:37

Type Values Removed Values Added
References
  • () https://security.netapp.com/advisory/ntap-20230331-0006/ -
References () https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2c02d41d71f90a5168391b6a5f2954112ba2307c - Mailing List, Patch () https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2c02d41d71f90a5168391b6a5f2954112ba2307c - Mailing List, Patch
References () https://kernel.dance/#2c02d41d71f90a5168391b6a5f2954112ba2307c - Patch () https://kernel.dance/#2c02d41d71f90a5168391b6a5f2954112ba2307c - Patch
References () https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html - Third Party Advisory () https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html - Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html - Third Party Advisory () https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html - Third Party Advisory

06 Jun 2023, 19:16

Type Values Removed Values Added
References (MISC) https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html - (MISC) https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html - Third Party Advisory
References (MISC) https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html - (MISC) https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html - Third Party Advisory

Information

Published : 2023-02-28 15:15

Updated : 2024-11-21 07:37


NVD link : CVE-2023-0461

Mitre link : CVE-2023-0461

CVE.ORG link : CVE-2023-0461


JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free