CVE-2022-42895
"Linux Kernel Bluetooth L2CAP Remote Infoleak"
Description
There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely. We recommend upgrading past commit https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url
INFO
Published Date :
Nov. 23, 2022, 3:15 p.m.
Last Modified :
Nov. 7, 2023, 3:53 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2022-42895 has a 3 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-2022-42895.
| URL | Resource |
|---|---|
| https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e | Patch Third Party Advisory |
| https://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e | Patch Third Party Advisory |
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
Kernel Address Space Layout Derandomization (KASLD) - A collection of various techniques to infer the Linux kernel base virtual address as an unprivileged local user, for the purpose of bypassing Kernel Address Space Layout Randomization (KASLR).
kaslr linux linux-kernel linux-kaslr kernel-exploit kernel
C Shell Makefile
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-2022-42895 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-42895 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely. We recommend upgrading past commit https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely. We recommend upgrading past commit https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url -
Reanalysis by [email protected]
Jan. 23, 2023
Action Type Old Value New Value Removed CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N -
Initial Analysis by [email protected]
Nov. 28, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e No Types Assigned https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e Patch, Third Party Advisory Changed Reference Type https://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e No Types Assigned https://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e Patch, Third Party Advisory Added CWE NIST CWE-824 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-42895 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-2022-42895
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.27983
percentile