CVE-2023-40791
Linux Kernel Scatterlist extract_user_to_sg Unpinning Vulnerability
Description
extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation, as demonstrated by a WARNING for try_grab_page.
INFO
Published Date :
Oct. 16, 2023, 3:15 a.m.
Last Modified :
Jan. 4, 2024, 7:08 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
1.0
Public PoC/Exploit Available at Github
CVE-2023-40791 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2023-40791
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2023-40791.
| URL | Resource |
|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12 | Release Notes |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f | Mailing List Patch |
| https://lkml.org/lkml/2023/8/3/323 | Exploit Mailing List Third Party Advisory |
| https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/ | Mailing List Patch |
| https://security.netapp.com/advisory/ntap-20231110-0009/ | 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).
Enhancing Linux Kernel Fuzzing via Exploit-Driven Seed Generation
Makefile Go HTML Roff Shell C C++ Assembly JavaScript CSS
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-40791 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-40791 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 -
Reanalysis by [email protected]
Jan. 04, 2024
Action Type Old Value New Value Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H -
Modified Analysis by [email protected]
Dec. 28, 2023
Action Type Old Value New Value Changed Reference Type https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/ No Types Assigned https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/ Mailing List, Patch Changed Reference Type https://security.netapp.com/advisory/ntap-20231110-0009/ No Types Assigned https://security.netapp.com/advisory/ntap-20231110-0009/ Third Party Advisory Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 10, 2023
Action Type Old Value New Value Added Reference MITRE https://security.netapp.com/advisory/ntap-20231110-0009/ [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/ [No types assigned] Removed Reference MITRE https://lore.kernel.org/linux-crypto/[email protected]/ -
Initial Analysis by [email protected]
Oct. 19, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12 Release Notes Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f Mailing List, Patch Changed Reference Type https://lkml.org/lkml/2023/8/3/323 No Types Assigned https://lkml.org/lkml/2023/8/3/323 Exploit, Mailing List, Third Party Advisory Changed Reference Type https://lore.kernel.org/linux-crypto/[email protected]/ No Types Assigned https://lore.kernel.org/linux-crypto/[email protected]/ Mailing List, Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.4.12 -
CVE Modified by [email protected]
Oct. 16, 2023
Action Type Old Value New Value Changed Description extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.2 fails to unpin pages in a certain situation, as demonstrated by a WARNING for try_grab_page. extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation, as demonstrated by a WARNING for try_grab_page.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-40791 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-2023-40791
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} -0.01%
score
0.05738
percentile