FreeBSD The Power to Serve

FreeBSD 13.1-RELEASE Errata


This document lists errata items for FreeBSD 13.1-RELEASE, containing significant information discovered after the release or too late in the release cycle to be otherwise included in the release documentation. This information includes security advisories, as well as news relating to the software or documentation that could affect its operation or usability. An up-to-date version of this document should always be consulted before installing this version of FreeBSD.

This errata document for FreeBSD 13.1-RELEASE will be maintained until the release of FreeBSD 13.2-RELEASE.


This errata document contains "late-breaking news" about FreeBSD 13.1-RELEASE Before installing this version, it is important to consult this document to learn about any post-release discoveries or problems that may already have been found and fixed.

Any version of this errata document actually distributed with the release (for example, on a CDROM distribution) will be out of date by definition, but other copies are kept updated on the Internet and should be consulted as the "current errata" for this release. These other copies of the errata are located at, plus any sites which keep up-to-date mirrors of this location.

Source and binary snapshots of FreeBSD 13-STABLE also contain up-to-date copies of this document (as of the time of the snapshot).

For a list of all FreeBSD CERT security advisories, see

Security Advisories

Advisory Date Topic


9 August 2022

Out of bound read in elf_note_prpsinfo()


9 August 2022

Memory disclosure by stale virtual memory mapping


9 August 2022

Missing bounds check in 9p message handling


30 August 2022

zlib heap buffer overflow


29 November 2022 (revised)

Multiple vulnerabilities in Heimdal

29 November 2022

Stack overflow in ping(8)

Errata Notices

Errata Date Topic


9 August 2022

kevent(2) timers fire too often

9 August 2022

Kernel memory corruption during SCSI error recovery


9 August 2022

NULL pointer dereference in pam_exec(8)


30 August 2022

Timezone database information update


1 November 2022

ZFS B-Tree use-after-free


1 November 2022

Timezone database information update


1 November 2022

Memory pages become unreclaimable


1 November 2022

ZFS snapshot directories not accessible over NFS


1 November 2022

Possible data corruption with TCP SACK retransmissions

1 November 2022

CAM ioctl(2) compatibility breakage


1 November 2022

UEFI loader failing to boot older amd64 kernels


29 November 2022

Regression in Heimdal KDC

Open Issues

No open issues.

Late-Breaking News

[2022-07-12] A late issue was discovered with RISCV virtual machine images, wherein the images produced would result in a zero-byte file. As such, the images have been removed.

Last modified on: November 30, 2022 by Philip Paeps