CVE-2021-47538
Linux Kernel rxrpc Remote Reference Count Leak
Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer() Need to call rxrpc_put_local() for peer candidate before kfree() as it holds a ref to rxrpc_local. [DH: v2: Changed to abstract the peer freeing code out into a function]
INFO
Published Date :
May 24, 2024, 3:15 p.m.
Last Modified :
Nov. 21, 2024, 6:36 a.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
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-2021-47538.
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).
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The following list is the news that have been mention
CVE-2021-47538 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47538 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.
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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/3e70e3a72d80b16094faccbe438cd53761c3503a Added Reference https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1 Added Reference https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce Added Reference https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c Added Reference https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 24, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer() Need to call rxrpc_put_local() for peer candidate before kfree() as it holds a ref to rxrpc_local. [DH: v2: Changed to abstract the peer freeing code out into a function] Added Reference kernel.org https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47538 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-2021-47538
weaknesses.