# CVE-2024-53107: linux: In the Linux kernel, the following vulnerability has been resolved:  fs/proc/task_mmu: prevent integer overflow in pa...

CVE-2024-53107 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-53107, released December 2, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-53107
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 2, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args()  The "arg->vec_len" variable is a u64 that comes from the user at the start of the function.  The "arg->vec_len * sizeof(struct page_region))" multiplication can lead to integer wrapping.  Use size_mul() to avoid that.  Also the size_add/mul() functions work on unsigned long so for 32bit systems we need to ensure that "arg->vec_len" fits in an unsigned long.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.11.10-1 | [DEBIAN-CVE-2024-53107](https://patchblox.com/security/data/fix/linux/debian-cve-2024-53107.md) | Dec 2, 2024 |
| Linux | linux Debian 14 | 6.11.10-1 | [DEBIAN-CVE-2024-53107](https://patchblox.com/security/data/fix/linux/debian-cve-2024-53107.md) | Dec 2, 2024 |

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