CVE-2020-25578

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:11.4:p5:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:11.4:p6:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p10:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p11:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p12:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*

History

No history.

Information

Published : 2021-03-26 21:15

Updated : 2024-02-28 18:28


NVD link : CVE-2020-25578

Mitre link : CVE-2020-25578

CVE.ORG link : CVE-2020-25578


JSON object : View

Products Affected

freebsd

  • freebsd
CWE
CWE-665

Improper Initialization