CVE-2020-11494

Medium

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.

Package Linux Kernel
Published 2020-04-02
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

4.4

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Weakness type

CWE-908

CVE-2020-11494 is classified as CWE-908

See CWE-908 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2020-11494 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2020-11494?

    CVE-2020-11494 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10 . CVE-2020-11494 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2020-11494?

    CVE-2020-11494 has a CVSS score of 4.4 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N .

  • Is there a patch available for CVE-2020-11494?

    No patch is currently available for CVE-2020-11494. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2020-11494 actively exploited?

    No — CVE-2020-11494 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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