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CVE-2019-10140

Date: August 15, 2019

A vulnerability was found in Linux kernel's, versions up to 3.10, implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovl_posix_acl_create function in fs/overlayfs/dir.c. This can allow attackers with ability to create directories on overlayfs to crash the kernel creating a denial of service (DOS).

Severity Score

Related Resources (8)

https://access.redhat.com/errata/RHSA-2019:2029
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10140
https://bugzilla.redhat.com/show_bug.cgi?id=1677778
https://access.redhat.com/security/cve/CVE-2019-10140
https://access.redhat.com/errata/RHSA-2019:2043
https://nvd.nist.gov/vuln/detail/CVE-2019-10140
https://security.netapp.com/advisory/ntap-20190905-0002/
https://www.mend.io/vulnerability-database/CVE-2019-10140

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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