CVE-2020-29373

Medium

An issue was discovered in fs/io_uring.c in the Linux kernel before 5.6. It unsafely handles the root directory during path lookups, and thus a process inside a mount namespace can escape to unintended filesystem locations, aka CID-ff002b30181d.

Package Linux Kernel
Published 2020-11-28
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

6.5

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

Weakness type

CWE-22

CVE-2020-29373 is classified as CWE-22

See CWE-22 on MITRE CWE for full details on this weakness type.

References

3 total

Frequently asked questions

  • What is CVE-2020-29373?

    CVE-2020-29373 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.5 out of 10 . CVE-2020-29373 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2020-29373?

    CVE-2020-29373 has a CVSS score of 6.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N .

  • Is there a patch available for CVE-2020-29373?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2020-29373 patch availability.

  • Is CVE-2020-29373 actively exploited?

    No. CVE-2020-29373 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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