# CVE-2022-48639: linux: In the Linux kernel, the following vulnerability has been resolved:  net: sched: fix possible refcount leak in tc_new...

CVE-2022-48639 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48639, released April 28, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-48639
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 28, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: sched: fix possible refcount leak in tc_new_tfilter()  tfilter_put need to be called to put the refount got by tp->ops->get to avoid possible refcount leak when chain->tmplt_ops != NULL and chain->tmplt_ops != tp->ops.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.2-1 | [DEBIAN-CVE-2022-48639](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48639.md) | Apr 28, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.0.2-1 | [DEBIAN-CVE-2022-48639](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48639.md) | Apr 28, 2024 |
| Linux | linux Debian 14 | 6.0.2-1 | [DEBIAN-CVE-2022-48639](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48639.md) | Apr 28, 2024 |

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