CVE-2022-49705
Linux 9p Fid Refcount Leak Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: 9p: fix fid refcount leak in v9fs_vfs_atomic_open_dotl We need to release directory fid if we fail halfway through open This fixes fid leaking with xfstests generic 531
INFO
Published Date :
Feb. 26, 2025, 7:01 a.m.
Last Modified :
March 11, 2025, 9:57 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest version.
- Apply the patch for the fid refcount leak.
- Verify the fix with xfstests generic 531.
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-2022-49705.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49705 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-2022-49705
weaknesses.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-49705 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49705 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.
-
Initial Analysis by [email protected]
Mar. 11, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.51 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 5.18.8 Added Reference Type kernel.org: https://git.kernel.org/stable/c/22832ac3eb5be3f7168816a76b64c1284e12eb3c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8bc5412ba1a45edfd1e451874c483c26a097af2b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/beca774fc51a9ba8abbc869cf0c3d965ff17cd24 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 26, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: 9p: fix fid refcount leak in v9fs_vfs_atomic_open_dotl We need to release directory fid if we fail halfway through open This fixes fid leaking with xfstests generic 531 Added Reference https://git.kernel.org/stable/c/22832ac3eb5be3f7168816a76b64c1284e12eb3c Added Reference https://git.kernel.org/stable/c/8bc5412ba1a45edfd1e451874c483c26a097af2b Added Reference https://git.kernel.org/stable/c/beca774fc51a9ba8abbc869cf0c3d965ff17cd24