CVE-2022-49637
Linux Kernel IPv4 Data-Race Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem. While reading sysctl_fib_sync_mem, it can be changed concurrently. So, we need to add READ_ONCE() to avoid a data-race.
INFO
Published Date :
Feb. 26, 2025, 7:01 a.m.
Last Modified :
March 11, 2025, 10:31 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.0
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-2022-49637.
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-2022-49637 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49637 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. 11, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-362 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.2 from (excluding) 5.4.207 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 from (excluding) 5.10.132 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.56 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 5.18.13 Added Reference Type kernel.org: https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2 Types: Patch -
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: ipv4: Fix a data-race around sysctl_fib_sync_mem. While reading sysctl_fib_sync_mem, it can be changed concurrently. So, we need to add READ_ONCE() to avoid a data-race. Added Reference https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3 Added Reference https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2 Added Reference https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0 Added Reference https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c Added Reference https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49637 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-2022-49637
weaknesses.