---
cve: "CVE-2026-53296"
severity: "LOW"
cvss: 3.1
epss: "13%"
vendor: "Linux"
kev: false
exploited: false
published: "2026-06-26 20:17:22"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T03:56:56+02:00"
---

# CVE-2026-53296

> 3.1 LOW

## Beschreibung

In the Linux kernel, the following vulnerability has been resolved:

mailbox: mailbox-test: free channels on probe error

On probe error, free the previously obtained channels. This not only
prevents a leak, but also UAF scenarios because the client structure
will be removed nonetheless because it was allocated with devm.

## Patch verfügbar (OSV)

- Kernel ≥ 5.10.258
- Kernel ≥ 5.15.209
- Kernel ≥ 6.1.175
- Kernel ≥ 6.6.141
- Kernel ≥ 6.12.91
- Kernel ≥ 6.18.33
- Kernel ≥ 7.0.10

## Referenzen

- <https://git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b>
- <https://git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64>
- <https://git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6de>
- <https://git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aa>
- <https://git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701>
- <https://git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365>
- <https://git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664>
- <https://git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-53296) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_