CVE-2021-4155
XFS Data Leak Vulnerability
Description
A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.
INFO
Published Date :
Aug. 24, 2022, 4:15 p.m.
Last Modified :
Aug. 29, 2022, 1:39 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-4155 has a 2 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-2021-4155
.
URL | Resource |
---|---|
https://access.redhat.com/security/cve/CVE-2021-4155 | Mitigation Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=2034813 | Issue Tracking Third Party Advisory |
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=983d8e60f50806f90534cc5373d0ce867e5aaf79 | Mailing List Patch Vendor Advisory |
https://security-tracker.debian.org/tracker/CVE-2021-4155 | Third Party Advisory |
https://www.openwall.com/lists/oss-security/2022/01/10/1 | Mailing List 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).
Map Vulnerabilities into Different Layers of the Container Image
Python
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-4155
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4155
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 -
Initial Analysis by [email protected]
Aug. 29, 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://access.redhat.com/security/cve/CVE-2021-4155 No Types Assigned https://access.redhat.com/security/cve/CVE-2021-4155 Mitigation, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2034813 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2034813 Issue Tracking, Third Party Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=983d8e60f50806f90534cc5373d0ce867e5aaf79 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=983d8e60f50806f90534cc5373d0ce867e5aaf79 Mailing List, Patch, Vendor Advisory Changed Reference Type https://security-tracker.debian.org/tracker/CVE-2021-4155 No Types Assigned https://security-tracker.debian.org/tracker/CVE-2021-4155 Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2022/01/10/1 No Types Assigned https://www.openwall.com/lists/oss-security/2022/01/10/1 Mailing List, Patch, Third Party Advisory Added CWE NIST CWE-131 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.16
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4155
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-2021-4155
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile