CVE-2021-47054
QualComm Linux Kernel Reference Count Leak
Description
In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro for_each_available_child_of_node() and should be decremented manually if the loop is broken in loop body.
INFO
Published Date :
Feb. 29, 2024, 11:15 p.m.
Last Modified :
Dec. 10, 2024, 5:53 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 a patched version.
- Reboot the system after applying the 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-2021-47054.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47054 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-2021-47054
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-2021-47054 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47054 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. 10, 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 NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.9 up to (excluding) 4.9.269 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.233 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.191 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.119 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.37 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.11.21 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12 up to (excluding) 5.12.4 Changed Reference Type https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be No Types Assigned https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be Patch Changed Reference Type https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be No Types Assigned https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be Patch Changed Reference Type https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 No Types Assigned https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 Patch Changed Reference Type https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 No Types Assigned https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 Patch Changed Reference Type https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c No Types Assigned https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c Patch Changed Reference Type https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c No Types Assigned https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c Patch Changed Reference Type https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 No Types Assigned https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 Patch Changed Reference Type https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 No Types Assigned https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 Patch Changed Reference Type https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 No Types Assigned https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 Patch Changed Reference Type https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 No Types Assigned https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 Patch Changed Reference Type https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 No Types Assigned https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 Patch Changed Reference Type https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 No Types Assigned https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 Patch Changed Reference Type https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 No Types Assigned https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 Patch Changed Reference Type https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 No Types Assigned https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 Patch Changed Reference Type https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 No Types Assigned https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 Patch Changed Reference Type https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 No Types Assigned https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 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/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be Added Reference https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 Added Reference https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c Added Reference https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 Added Reference https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 Added Reference https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 Added Reference https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 Added Reference https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 -
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. 29, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro for_each_available_child_of_node() and should be decremented manually if the loop is broken in loop body. Added Reference Linux https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8 [No types assigned]