CVE-2020-25578

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

In FreeBSD 12.2-STABLE before r368969, 11.4-STABLE before r369047, 12.2-RELEASE before p3, 12.1-RELEASE before p13 and 11.4-RELEASE before p7 several file systems were not properly initializing the d_off field of the dirent structures returned by VOP_READDIR. In particular, tmpfs(5), smbfs(5), autofs(5) and mqueuefs(5) were failing to do so. As a result, eight uninitialized kernel stack bytes may be leaked to userspace by these file systems.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-665

Affected software

No affected versions have been published.

Timeline

Published: Mar 26, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-255795.3In FreeBSD 12.2-STABLE before r368969, 11.4-STABLE before r369047, 12.2-RELEASE before p3, 12.1-RELEASE before p13 and 11.4-RELEASE before p CVE-2020-25585.8Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel). The supported version that is affected is 11. Easily expl CVE-2020-255805.3In FreeBSD 12.2-STABLE before r369346, 11.4-STABLE before r369345, 12.2-RELEASE before p4 and 11.4-RELEASE before p8 a regression in the log CVE-2020-255817.5In FreeBSD 12.2-STABLE before r369312, 11.4-STABLE before r369313, 12.2-RELEASE before p4 and 11.4-RELEASE before p8 due to a race condition CVE-2020-255828.7In FreeBSD 12.2-STABLE before r369334, 11.4-STABLE before r369335, 12.2-RELEASE before p4 and 11.4-RELEASE before p8 when a process, such as CVE-2020-255839.8In FreeBSD 12.2-STABLE before r368250, 11.4-STABLE before r368253, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p CVE-2020-255847.5In FreeBSD 13.0-STABLE before n245118, 12.2-STABLE before r369552, 11.4-STABLE before r369560, 13.0-RC5 before p1, 12.2-RELEASE before p6, a CVE-2020-25595.3Vulnerability in the Siebel UI Framework product of Oracle Siebel CRM (component: UIF Open UI). Supported versions that are affected are 19.CVE-2020-255929.8In SaltStack Salt through 3002, salt-netapi improperly validates eauth credentials and tokens. A user can bypass authentication and invoke S CVE-2020-255936.7Acronis True Image through 2021 on macOS allows local privilege escalation from admin to root due to insecure folder permissions.CVE-2020-255945.3HashiCorp Vault and Vault Enterprise allowed for enumeration of Secrets Engine mount paths via unauthenticated HTTP requests. Fixed in 1.6.2 CVE-2020-255957.8An issue was discovered in Xen through 4.14.x. The PCI passthrough code improperly uses register data. Code paths in Xen's MSI handling have