CVE-2022-49426
"ARM SMMU v3 SVA Linux Kernel Use-After-Free Vulnerability"
Description
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3-sva: Fix mm use-after-free We currently call arm64_mm_context_put() without holding a reference to the mm, which can result in use-after-free. Call mmgrab()/mmdrop() to ensure the mm only gets freed after we unpinned the ASID.
INFO
Published Date :
Feb. 26, 2025, 7:01 a.m.
Last Modified :
March 24, 2025, 7:58 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-2022-49426.
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-2022-49426 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49426 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]
Mar. 24, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.46 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.17.14 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.18 up to (excluding) 5.18.3 Added Reference Type kernel.org: https://git.kernel.org/stable/c/9aa215450888cf29af0c479e14a712dc6b0c506c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/cbd23144f7662b00bcde32a938c4a4057e476d68 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e3cbbdbff8a4db5d053c53fd71be62ccccdb52b0 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/fc90f13ea0dcd960e5002d204fa55cec4e0db2fa Types: Patch -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Feb. 27, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-416 -
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: iommu/arm-smmu-v3-sva: Fix mm use-after-free We currently call arm64_mm_context_put() without holding a reference to the mm, which can result in use-after-free. Call mmgrab()/mmdrop() to ensure the mm only gets freed after we unpinned the ASID. Added Reference https://git.kernel.org/stable/c/9aa215450888cf29af0c479e14a712dc6b0c506c Added Reference https://git.kernel.org/stable/c/cbd23144f7662b00bcde32a938c4a4057e476d68 Added Reference https://git.kernel.org/stable/c/e3cbbdbff8a4db5d053c53fd71be62ccccdb52b0 Added Reference https://git.kernel.org/stable/c/fc90f13ea0dcd960e5002d204fa55cec4e0db2fa
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49426 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-2022-49426
weaknesses.