# CVE-2024-50270: linux: In the Linux kernel, the following vulnerability has been resolved:  mm/damon/core: avoid overflow in damon_feed_loop...

CVE-2024-50270 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-50270, released November 19, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-50270
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 19, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  mm/damon/core: avoid overflow in damon_feed_loop_next_input()  damon_feed_loop_next_input() is inefficient and fragile to overflows.  Specifically, 'score_goal_diff_bp' calculation can overflow when 'score' is high.  The calculation is actually unnecessary at all because 'goal' is a constant of value 10,000.  Calculation of 'compensation' is again fragile to overflow.  Final calculation of return value for under-achiving case is again fragile to overflow when the current score is under-achieving the target.  Add two corner cases handling at the beginning of the function to make the body easier to read, and rewrite the body of the function to avoid overflows and the unnecessary bp value calcuation.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.11.9-1 | [DEBIAN-CVE-2024-50270](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50270.md) | Nov 19, 2024 |
| Linux | linux Debian 14 | 6.11.9-1 | [DEBIAN-CVE-2024-50270](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50270.md) | Nov 19, 2024 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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