CVE-2021-47470
Apache Linux Kernel Use-After-Free
Description
In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s because s will be freed soon. And slab_debugfs_fops will use s later leading to a use-after-free.
INFO
Published Date :
May 22, 2024, 7:15 a.m.
Last Modified :
Jan. 14, 2025, 5:33 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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-2021-47470.
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-2021-47470 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47470 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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Initial Analysis by [email protected]
Jan. 14, 2025
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.14 up to (excluding) 5.14.15 *cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83 No Types Assigned https://git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83 Patch Changed Reference Type https://git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83 No Types Assigned https://git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83 Patch Changed Reference Type https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c No Types Assigned https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c Patch Changed Reference Type https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c No Types Assigned https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c 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/159d8cfbd0428d487c53be4722f33cdab0d25d83 Added Reference https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c -
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. 22, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s because s will be freed soon. And slab_debugfs_fops will use s later leading to a use-after-free. Added Reference kernel.org https://git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c [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-2021-47470 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-2021-47470
weaknesses.