FreeBSD-SA-20:33.openssl : OpenSSL NULL pointer de-reference
Versions Affected : All versions prior to TrueNAS 12.0-U1
Description
The X.509 GeneralName type is a generic type for representing different types of names.
2020-12
FreeBSD-SA-20:32.rtsold : Multiple vulnerabilities in rtsold
Versions Affected : All versions prior to TrueNAS 12.0-U1
Description
Two bugs exist in rtsold(8)’s RDNSS and DNSSL option handling.
FreeBSD-SA-20:31.icmp6 : ICMPv6 use-after-free error
Versions Affected : All versions prior to TrueNAS 12.0-U1
Description
When an ICMPv6 error message is received, the FreeBSD ICMPv6 stack may extract information from the message to hand to upper-layer protocols.
FreeBSD-EN-20:22.callout : Race Condition in Callout CPU Migration
Versions Affected : All versions prior to TrueNAS 12.0-U1
Description
The bug may result in kernel panics under some workloads, typically in the softclock threads.
FreeBSD-EN-20:21.ipfw : Uninitialized variable in ipfw
Versions Affected : All versions prior to TrueNAS 12.0-U1
Description
A regression in FreeBSD 12.2 meant that ipfw(8) fwd commands referencing specific port numbers may configure the firewall incorrectly.
FreeBSD-EN-20:20.tzdata : Timezone database information update
Versions Affected : All versions prior to TrueNAS 12.0-U1
Description
Several changes in Daylight Saving Time happened after previous FreeBSD releases were released that would affect many people who live in different parts of the world.
FreeBSD-EN-20:19.audit : execve/fexecve system call auditing
Versions Affected : All versions prior to TrueNAS 12.0-U1
Description
All execve/fexecve system calls in affected versions will be reported as a failure, even upon successful execution.
2020-11
Intel-2020-11-12.microcode : Intel Microcode Update
Versions Affected : All verisons prior to TrueNAS 12.0
Description
Intel Microcode Release 20201112
2020-09
FreeBSD-EN-20:30.ftpd : ftpd privilege escalation via ftpchroot
Versions Affected : All verisons prior to FreeNAS 11.3-U5
Description
A ftpd(8) bug in the implementation of the file system sandbox, combined with capabilities available to an authenticated FTP user, can be used to escape the file system restriction configured in ftpchroot(5).
FreeBSD-EN-20:29.bhyve_svm : bhyve SVM guest escape
Versions Affected : All verisons prior to FreeNAS 11.3-U5
Description
A number of AMD virtualization instructions operate on host physical addresses, are not subject to nested page table translation, and guest use of these instructions was not trapped.
FreeBSD-EN-20:28.bhyve_vmcs : bhyve privilege escalation
Versions Affected : All verisons prior to FreeNAS 11.3-U5
Description
Insufficient access controls (VMCS) allow root users, including those running in a jail, to change these data structures.
FreeBSD-EN-20:27.ure : ure packet-in-packet attack
Versions Affected : All verisons prior to FreeNAS 11.3-U5
Description
A programming error in the ure(4) device driver caused some Realtek USB Ethernet interfaces to incorrectly report packets with more than 2048 bytes in a single USB transfer as having a length of only 2048 bytes.
FreeBSD-SA-20:26.dhclient : dhclient heap overflow
Versions Affected : All verisons prior to FreeNAS 11.3-U5
Description
dhclient(8) is the default IPv4 DHCP client used on FreeBSD. It is responsible for contacting DHCP servers on a network segment, and for initializing and configuring network interfaces and configuring name resolution based on received information.
FreeBSD-SA-20:25.sctp : SCTP socket use-after-free bug
Versions Affected : All verisons prior to FreeNAS 11.3-U5
Description
The Stream Control Transmission Protocol (SCTP) is a message oriented transport protocol supporting arbitrary large user messages. It can be accessed from applications by using the the socket API.
FreeBSD-SA-20:24.ipv6 : IPv6 Hop-by-Hop options use-after-free bug
Versions Affected : All verisons prior to FreeNAS 11.3-U5
Description
IPv6 is a network layer supporting Hop-by-Hop options, which can be sent by applications via the socket API. The memory management for packet handling is done using mbufs.
FreeBSD-EN-20:18.getfsstat : getfsstat compatibility system call panic
Versions Affected : All verisons prior to FreeNAS 11.3-U5
Description
getfsstat(2) is a system call which provides information about mounted filesystems. The kernel provides compatibility system calls for old versions of the interface.
FreeBSD-EN-20:17.linuxthread : FreeBSD Linux ABI kernel panic
Versions Affected : All verisons prior to FreeNAS 11.3-U5
Description
The Linux ABI layer (Linuxulator) allows Linux binaries to be executed on a FreeBSD kernel.
2020-08
FreeBSD-SA-20:23.sendmsg : sendmsg(2) privilege escalation
Versions Affected : All verisons prior to FreeNAS 11.3-U4.1
Description
When handling a 32-bit sendmsg(2) call, the compat32 subsystem copies the control message to be transmitted (if any) into kernel memory, and adjusts alignment of control message headers.
FreeBSD-SA-20:22.sqlite : Multiple vulnerabilities in sqlite3
Versions Affected : All verisons prior to FreeNAS 11.3-U4.1
Description
Malicious SQL statements could crash, hijack processes, or cause data corruption.
FreeBSD-SA-20:21.usb : Potential memory corruption in USB network device drivers
Versions Affected : All verisons prior to FreeNAS 11.3-U4.1
Description
A missing length validation code common to these three drivers means that a malicious USB device could write beyond the end of an allocated network packet buffer.
2020-07
FreeBSD-SA-20:20.ipv6 : IPv6 socket option race condition
Versions Affected : All verisons prior to FreeNAS 11.3-U3.2
Description
The IPV6_2292PKTOPTIONS set handler was missing synchronization, so racing accesses could modify freed memory.
FreeBSD-SA-20:19.unbound : Multiple vulnerabilities in unbound
Versions Affected : All verisons prior to FreeNAS 11.3-U3.2
Description
Malformed answers from upstream name servers can send Unbound into an infinite loop, resulting in denial of service.
FreeBSD-EN-20:15.mps : Kernel panic in mps(4) driver
Versions Affected : All verisons prior to FreeNAS 11.3-U3.2
Description
mps(4) implements a pass-through interface which allows privileged user processes to submit commands directly to disks behind the controller.
FreeBSD-EN-20:14.linuxkpi : Kernel panic in LinuxKPI
Versions Affected : All verisons prior to FreeNAS 11.3-U3.2
Description
A bug in one of the LinuxKPI subroutines could cause a kernel panic.
2020-06
FreeBSD-SA-20:17.usb : USB HID descriptor parsing error
Versions Affected : All verisons prior to FreeNAS 11.3-U?
Description
USB Human Interface Device (HID) descriptors may push/pop the current state to allow description of items residing in a so-called union.
2020-05
FreeBSD-SA-20:15.cryptodev : Use after free in cryptodev
Versions Affected : All verisons prior to FreeNAS 11.3-U3.2
Description
A race condition permitted a data structure in the kernel to be used after it was freed by the cryptodev module.
FreeBSD-SA-20:14.sctp : Fix improper checking in SCTP-AUTH
Versions Affected : All verisons prior to 11.3-U3.2
Description
The SCTP layer does improper checking when an application tries to update a shared key.
FreeBSD-SA-20:13.libalias : Memory disclosure vulnerability
Versions Affected : All verisons prior to FreeNAS 11.3-U3.2
Description
The FTP packet handler in libalias incorrectly calculates some packet lengths.
FreeBSD-SA-20:12.libalias : Insufficient packet length validation
Versions Affected : All verisons prior to FreeNAS 11.3-U3.2
Description
libalias(3) packet handlers do not properly validate the packet length before accessing the protocol headers.
FreeBSD-EN-20:10.build : incorrect Clang version detection
Versions Affected : All verisons prior to FreeNAS 11.3-U3.2
Description
The Clang and LLD version detection accepted only versions matching the shell glob pattern [1-9].[0-9]*, which notably does not include 10.0. The build then proceeded as if the compiler or linker version was 0.0.
2020-04
FreeBSD-SA-20:10.ipfw : ipfw invalid mbuf handling
Versions Affected : All verisons prior to FreeNAS 11.3-U2.1 Description Incomplete packet data validation may result in accessing out-of-bounds memory (CVE-2019-5614) or may access memory after it has been freed (CVE-2019-15874). Workaround No workaround is available. Systems not using the ipfw firewall are not vulnerable. Mitigation Upgrade to FreeNAS 11.3-U3.2 or later Commit FreeBSD Revision : r360149 FreeNAS Commit : 6911f08 Jira Ticket : NAS-105837 Further information FreeBSD Errata Entry
FreeBSD-SA-20:07.quotad : Regression in rpc.rquotad
Versions Affected : All verisons prior to FreeNAS 11.3-U2.1
Description
A change in rpc.rquotad made it send RQUOTA v2 requests instead of RQUOTA v1 requests.
2020-03
FreeBSD-SA-20:09.ntp : ntpd DOS
Versions Affected : All verisons prior to FreeNAS 11.3-U2
Description
Three NTP vulnerabilities are addressed by this security advisory. NTP Bug 3610, 3596, and 3592.
FreeBSD-SA-20:08.jail : kmem disclosure with nested jails
Versions Affected : All verisons prior to FreeNAS 11.3-U2
Description
A missing NUL-termination check for the jail_set(2) configration option “osrelease” may return more bytes when reading the jail configuration back with jail_get(2) than were originally set.
FreeBSD-SA-20:07.epair : Incorrect pointer use in epair
Versions Affected : All verisons prior to FreeNAS 11.3-U2
Description
Incorrect use of a potentially user-controlled pointer in the kernel allowed vnet jailed users to panic the system and potentially execute aribitrary code in the kernel.
FreeBSD-SA-20:05.if_oce_ioctl : Insufficient oce(4) ioctl(2) privilege checking
Versions Affected : All verisons prior to FreeNAS 11.3-U2
Description
The driver-specific ioctl(2) command handlers in oce(4) failed to check whether the caller has sufficient privileges to perform the corresponding operation.
FreeBSD-SA-20:04.tcp : TCP IPv6 SYN cache kernel disclosure
Versions Affected : All verisons prior to FreeNAS 11.3-U2
Description
When a TCP server transmits or retransmits a TCP SYN-ACK segment over IPv6, the Traffic Class field is not initialized.
FreeBSD-EN-20:06.ipv6 : Incorrect checksum with IPv6 headers}
Versions Affected : All verisons prior to FreeNAS 11.3-U2
Description
Pseudo header checksum calculations can be delayed until the IPv6 output routine or offloaded to the NIC.
FreeBSD-EN-20:04.pfctl} : Missing pfctl(8) tunable
Versions Affected : All verisons prior to FreeNAS 11.3-U2
Description
pf(4) ioctls frequently take a variable number of elements as argument. This can potentially allow users to request very large allocations.
2020-01
FreeBSD-EN-20:02.nmount : nmount Invalid Pointer Dereference
Versions Affected : All verisons prior to FreeNAS 11.3-U1
Description
VFS option processing related to the nmount(2) system call was missing a length check.
FreeBSD-EN-20:01.ssp : SSP Canary Initialization
Versions Affected : All verisons prior to FreeNAS 11.3-U1
Description
When a binary is statically linked, constructor invocation order is based on priority and sorted arbitrarily within a priority level across all constructors present in the single statically linked object.