CVE-2022-49604
Linux Kernel Ip.sysctl_ip_fwd_use_pmtu Data Race
Description
In the Linux kernel, the following vulnerability has been resolved: ip: Fix data-races around sysctl_ip_fwd_use_pmtu. While reading sysctl_ip_fwd_use_pmtu, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
INFO
Published Date :
Feb. 26, 2025, 7:01 a.m.
Last Modified :
March 11, 2025, 10:42 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 the latest version.
- Apply the patch that introduces READ_ONCE() for sysctl access.
- Compile and install the updated kernel.
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-2022-49604.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49604 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-2022-49604
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-2022-49604 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49604 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:5.19:rc7:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.14 from (excluding) 4.19.254 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 from (excluding) 5.4.208 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 from (excluding) 5.10.134 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.58 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 5.18.15 Added Reference Type kernel.org: https://git.kernel.org/stable/c/60c158dc7b1f0558f6cadd5b50d0386da0000d50 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7828309df0f89419a9349761a37c7d1b0da45697 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/93fbc06da1d819f3981a7bd7928c3641ea67b364 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b96ed5ccb09ae71103023ed13acefb194f609794 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e364b5f6ffbfc457a997ad09a7baa16c19581edc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/eb15262128b793e4b1d1c4514d3e6d19c3959764 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: ip: Fix data-races around sysctl_ip_fwd_use_pmtu. While reading sysctl_ip_fwd_use_pmtu, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers. Added Reference https://git.kernel.org/stable/c/60c158dc7b1f0558f6cadd5b50d0386da0000d50 Added Reference https://git.kernel.org/stable/c/7828309df0f89419a9349761a37c7d1b0da45697 Added Reference https://git.kernel.org/stable/c/93fbc06da1d819f3981a7bd7928c3641ea67b364 Added Reference https://git.kernel.org/stable/c/b96ed5ccb09ae71103023ed13acefb194f609794 Added Reference https://git.kernel.org/stable/c/e364b5f6ffbfc457a997ad09a7baa16c19581edc Added Reference https://git.kernel.org/stable/c/eb15262128b793e4b1d1c4514d3e6d19c3959764