CVE-2023-2163
Linux Kernel BPF Denial of Service/Privilege Escalation
Description
Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.
INFO
Published Date :
Sept. 20, 2023, 6:15 a.m.
Last Modified :
Nov. 21, 2024, 7:58 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.8
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-2163 has a 12 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-2163.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Starlark C++ Shell Go Python
A collection of Vulnerability Research and Reverse Engineering writeups.
None
A collection of POCs and miscs
CodeQL Shell Python C Java Go Assembly Makefile GDB C++
None
CodeQL Shell Python C Java Go Assembly Makefile GDB C++
None
CodeQL Shell Python C Java Go Assembly Makefile GDB C++
None
C Java Go Assembly Makefile Shell C++
None
Starlark C++ Go Shell
None
Go Dockerfile
This project hosts security advisories and their accompanying proof-of-concepts related to research conducted at Google which impact non-Google owned code.
C Makefile Assembly C++ Go Shell Java Python Dockerfile JavaScript
Localroot-ALL-CVE~
localroot cheatsheet security kernel linux exploits cve linux-privilege-escalation cybersecurity infosec pentesting
C Shell Python Ruby Makefile HTML Perl Batchfile
A collection of links related to Linux kernel security and exploitation
linux-kernel kernel-exploitation exploit privilege-escalation security
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-2163 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-2163 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bughunters.google.com/blog/6303226026131456/a-deep-dive-into-cve-2023-2163-how-we-found-and-fixed-an-ebpf-linux-kernel-vulnerability Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed -
CVE Modified by [email protected]
May. 21, 2024
Action Type Old Value New Value Changed Description Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Dec. 15, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 6.3 *cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc7:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.4.242 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.179 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.109 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.26 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.2.13 -
Initial Analysis by [email protected]
Sep. 22, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed Mailing List, Patch Added CWE NIST CWE-682 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 6.3 *cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc7:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-2163 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-2163
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} -0.03%
score
0.20553
percentile