CVE-2021-3732
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Summary
A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | kernel | Affects kernel before v5.13.11, Fixed in v5.14-rc6 and later. | affected |
Weaknesses
- CWE-200: CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.redhat.com/show_bug.cgi?id=1995249
- https://ubuntu.com/security/CVE-2021-3732
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631
- https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1995249
- https://ubuntu.com/security/CVE-2021-3732
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=427215d85e8d1476da1a86b8d67aceb485eb3631
- https://github.com/torvalds/linux/commit/427215d85e8d1476da1a86b8d67aceb485eb3631
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