CVE-2021-47009
KEYS: trusted: Fix memory leak on object td
Description
In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak on object td Two error return paths are neglecting to free allocated object td, causing a memory leak. Fix this by returning via the error return path that securely kfree's td. Fixes clang scan-build warning: security/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential memory leak [unix.Malloc]
INFO
Published Date :
Feb. 28, 2024, 9:15 a.m.
Last Modified :
Dec. 9, 2024, 6:24 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.
- Reboot the system after kernel update.
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-2021-47009.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47009 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-2021-47009
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-2021-47009 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47009 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]
Dec. 09, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NIST CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10.20 up to (excluding) 5.10.38 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11.3 up to (excluding) 5.11.22 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12 up to (excluding) 5.12.5 *cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c No Types Assigned https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c Patch Changed Reference Type https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c No Types Assigned https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c Patch Changed Reference Type https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8 No Types Assigned https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8 Patch Changed Reference Type https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8 No Types Assigned https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8 Patch Changed Reference Type https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af No Types Assigned https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af Patch Changed Reference Type https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af No Types Assigned https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af Patch Changed Reference Type https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321 No Types Assigned https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321 Patch Changed Reference Type https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321 No Types Assigned https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321 Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c Added Reference https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8 Added Reference https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af Added Reference https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 28, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak on object td Two error return paths are neglecting to free allocated object td, causing a memory leak. Fix this by returning via the error return path that securely kfree's td. Fixes clang scan-build warning: security/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential memory leak [unix.Malloc] Added Reference Linux https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321 [No types assigned]