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CVE-2022-50580
blk-throttle: prevent overflow while calculating wait time
Description

In the Linux kernel, the following vulnerability has been resolved: blk-throttle: prevent overflow while calculating wait time There is a problem found by code review in tg_with_in_bps_limit() that 'bps_limit * jiffy_elapsed_rnd' might overflow. Fix the problem by calling mul_u64_u64_div_u64() instead.

INFO

Published Date :

Oct. 22, 2025, 2:15 p.m.

Last Modified :

Oct. 22, 2025, 9:12 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2022-50580 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Address integer overflow in blk-throttle by using a safe multiplication function.
  • Apply the kernel patch to fix the overflow issue.
  • Update the Linux kernel to the patched version.
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-2022-50580.

URL Resource
https://git.kernel.org/stable/c/19c010ae44f0ce52b5436080492a61a092ee0cf4
https://git.kernel.org/stable/c/70b2adb1d698fbc63d3b3848c452524dc15872c5
https://git.kernel.org/stable/c/8d6bbaada2e0a65f9012ac4c2506460160e7237a
https://git.kernel.org/stable/c/ca67b0563b39e79290c23e509319c178b9ca9104
https://git.kernel.org/stable/c/cc6f0855bf8d9b729df28ff443ced7350c380dbd
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-50580 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-2022-50580 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-2022-50580 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-50580 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.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 22, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: blk-throttle: prevent overflow while calculating wait time There is a problem found by code review in tg_with_in_bps_limit() that 'bps_limit * jiffy_elapsed_rnd' might overflow. Fix the problem by calling mul_u64_u64_div_u64() instead.
    Added Reference https://git.kernel.org/stable/c/19c010ae44f0ce52b5436080492a61a092ee0cf4
    Added Reference https://git.kernel.org/stable/c/70b2adb1d698fbc63d3b3848c452524dc15872c5
    Added Reference https://git.kernel.org/stable/c/8d6bbaada2e0a65f9012ac4c2506460160e7237a
    Added Reference https://git.kernel.org/stable/c/ca67b0563b39e79290c23e509319c178b9ca9104
    Added Reference https://git.kernel.org/stable/c/cc6f0855bf8d9b729df28ff443ced7350c380dbd
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.