---
cve: "CVE-2020-11494"
severity: "MEDIUM"
cvss: 4.4
epss: "5.1%"
vendor: "Linux"
kev: false
exploited: false
published: "2020-04-02 21:15:13"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-19T07:26:06+02:00"
---

# CVE-2020-11494

> 4.4 MEDIUM

## Beschreibung

An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2. It allows attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL, aka CID-b9258a2cece4.

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html>
- <http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html>
- <https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28>
- <https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264>
- <https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html>
- <https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html>
- <https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html>
- <https://security.netapp.com/advisory/ntap-20200430-0004/>
- <https://usn.ubuntu.com/4363-1/>
- <https://usn.ubuntu.com/4364-1/>
- <https://usn.ubuntu.com/4368-1/>
- <https://usn.ubuntu.com/4369-1/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-11494) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_