A flawed logical condition allows a malicious actor to remotely
trigger a NULL pointer dereference using a crafted negTokenInit
token.
Upstream notes:
Reported to Heimdal by Michał Kępień <michal@isc.org>.
From the report:
Acknowledgement
---------------
This flaw was found while working on addressing ZDI-CAN-12302: ISC BIND
TKEY Query Heap-based Buffer Overflow Remote Code Execution
Vulnerability, which was reported to ISC by Trend Micro's Zero Day
Security: CVE-2022-3116
Obtained from: upstream 7a19658c1
MFC after: 1 week
Import upstream 38c797e1a.
Upstream notes:
RFC8062 Section 7 requires verification of the PA-PKINIT-KX key
excahnge when anonymous PKINIT is used. Failure to do so can
permit an active attacker to become a man-in-the-middle.
Reported by: emaste
Obtained from: upstream 38c797e1a
Security: CVE-2019-12098
MFC after: 1 week
Apply upstream 22749e918 to fix a buffer overflow.
Upstream notes:
If len_len is equal to total_len - 1 (i.e. the input consists only of a
0x60 byte and a length), the expression 'total_len - 1 - len_len - 1',
used as the 'len' parameter to der_get_length(), will overflow to
SIZE_MAX. Then der_get_length() will proceed to read, unconstrained,
whatever data follows in memory. Add a check to ensure that doesn't
happen
This is similar to samba CVE-2022-3437.
Reported by: emaste
Security: CVE-2022-41916
Obtained from: upstream 22749e918
MFC after: 1 week
Upstream's explanation of the problem:
S4U2Self is an extension to Kerberos used in Active Directory to allow
a service to request a kerberos ticket to itself from the Kerberos Key
Distribution Center (KDC) for a non-Kerberos authenticated user
(principal in Kerboros parlance). This is useful to allow internal
code paths to be standardized around Kerberos.
S4U2Proxy (constrained-delegation) is an extension of this mechanism
allowing this impersonation to a second service over the network. It
allows a privileged server that obtained a S4U2Self ticket to itself
to then assert the identity of that principal to a second service and
present itself as that principal to get services from the second
service.
There is a flaw in Samba's AD DC in the Heimdal KDC. When the Heimdal
KDC checks the checksum that is placed on the S4U2Self packet by the
server to protect the requested principal against modification, it
does not confirm that the checksum algorithm that protects the user
name (principal) in the request is keyed. This allows a
man-in-the-middle attacker who can intercept the request to the KDC to
modify the packet by replacing the user name (principal) in the
request with any desired user name (principal) that exists in the KDC
and replace the checksum protecting that name with a CRC32 checksum
(which requires no prior knowledge to compute).
This would allow a S4U2Self ticket requested on behalf of user name
(principal) user@EXAMPLE.COM to any service to be changed to a
S4U2Self ticket with a user name (principal) of
Administrator@EXAMPLE.COM. This ticket would then contain the PAC of
the modified user name (principal).
Reported by: emaste
Security: CVE-2018-16860
Obtained from: Upstream c6257cc2c
MFC after: 1 week
Apply upstream b1e699103. This fixes a bug introduced by upstream
f469fc6 which may in some cases enable bypass of capath policy.
Upstream writes in their commit log:
Note, this may break sites that rely on the bug. With the bug some
incomplete [capaths] worked, that should not have. These may now break
authentication in some cross-realm configurations.
Reported by: emaste
Security: CVE-2017-6594
Obtained from: upstream b1e699103
MFC after: 1 week
While here, add custom bus_map/unmap_resource methods to request
mappings via the window memory resources allocated from the parent
bus.
Tested by: emaste
Differential Revision: https://reviews.freebsd.org/D43886
The #ifdef DDB code in parse_metadata was dead code without opt_ddb.h.
While here, update the call to db_fetch_ksymtab for changes in commit
02bc014a20.
Reviewed by: mhorne
Obtained from: CheriBSD
Differential Revision: https://reviews.freebsd.org/D43919
Consider the PSCI missing if the FDT node status says it is not okay.
Reviewed by: andrew
Obtained from: Juniper Networks, Inc.
Differential Revision: https://reviews.freebsd.org/D43920
This test runs several scenarios when sleep(9) on a listen(2)ing socket is
interrupted by shutdown(2) or by close(2). What should happen in that
case is not specified, neither is documented. However, there is certain
behavior that we have and this test makes sure it is preserved. There is
software that relies on it, see bug 227259. This test is based on
submission with this bug, bugzilla attachment 192260.
The test checks TCP and unix(4) stream socket behavior and SCTP can be
added easily if needed.
The test passes on FreeBSD 11 to 15. It won't pass on FreeBSD 10,
although the wakeup behavior of shutdown(2) is the same, but it doesn't
return error.
PR: 227259
That was lost in transition from one-for-all soshutdown() to protocol
specific methods. Only protocols that listen(2) were affected. This is
not a documented or specified feature, but some software relies on it. At
least the FreeSWITCH telephony software uses this behavior on
PF_INET/SOCK_STREAM.
Fixes: 5bba272807
Capability rights passed to cap_rights_* are (now) not simple bitmaks
and cannot be ORed together in general (although it will work for
certain subsets of rights).
Remove sentence that implied rights are masks. We already have the
sentence "The complete list of capability rights is provided below" so
listing the rights without an introductory sentence seems fine.
PR: 277057
Capability rights passed to cap_rights_* are not simple bitmaks and
cannot be ORed together in general (although it will work for certain
subsets of rights).
PR: 277057
Fixes: e5e1d9c7b7 ("path_test: Add a test case for...")
Sponsored by: The FreeBSD Foundation
In 2024, users are more likely to have working HTTP than working FTP.
Present http://ftp.FreeBSD.org as the first option in the installer.
Keep ftp://ftp.FreeBSD.org as the second option.
MFC after: 3 weeks
Even though message version is automatically recognized and the top of
the struct is identical for different versions, when iterating over
multiple messages proper message length must be used. That's the length
of an union member for given version, not of the union itself.
Reviewed by: kp
Differential Revision: https://reviews.freebsd.org/D43862
Capability rights passed to cap_rights_* are not simple bitmaks and
cannot be ORed together in general (although it will work for certain
subsets of rights).
PR: 277057
Fixes: faaf43b2a7 ("fileargs: add tests")
Sponsored by: The FreeBSD Foundation
Adding a temporary workaround for plugging a fw_com upon if_fwip unloading.
Steps to reproduce(needs two hosts connected with firewire):
while true; do
ifconfig fwip0 10.0.0.5 up
fwcontrol -r
ping -c 10.0.0.3
kldunload if_fwip
done
There's a chance that the unloading of if_fwip.ko triggers following warning:
Warning: memory type fw_com leaked memory on destroy (1 allocations, 64 bytes leaked).
commit d79b6b8ec2 (origin/main, origin/HEAD)
Capability rights passed to cap_rights_* are not simple bitmaks and
cannot be ORed together in general (although it will work for certain
subsets of rights).
PR: 277057
Reported by: asomers, markj
Allocate resources from the parent device for decoded physical address
ranges. When child resources suballocated from rman's are mapped,
translate those mapping requests into a mapping request of the
associated physical address range in a bus_map_resource method.
While here, convert generic_pcie_rman to a bus_get_rman method and use
bus_generic_rman_* for operations on child resources.
Factor out a generic_pcie_containing_range to share logic between
bus_translate_resource and bus_*map_resource.
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D43894
These regions can conflict with I/O resources and prevent allocation
of those regions by other drivers. It may make sense to reserve them
after the boot-time probe of devices has concluded (or after an
initial pass to reserve firmware-assigned resources before "wildcard"
resources are allocated), but that would require additional changes.
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D43893
acpi_set_resource excludes certain types of resources for certain
devices. The intention of this is to avoid adding resource entries
for bogus resources enumerated via _CRS. However, this also prevents
drivers from adding those resources explicitly if needed. To fix
this, move the logic to exclude these resources into an ignore hook
used when parsing _CRS to create the initial set of resources for each
device.
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D43892
This fixes a panic if a driver uses bus_set_resource to add a resource
that fails to reserve and then deletes the resource via
bus_delete_resource.
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D43891
The rman description strings now match those used in the PCI-PCI
bridge driver. Using more specific names removes ambiguity in devinfo -u
output on systems with multiple host to PCI bridges.
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D43890
Sort the dev_<loglevel> functions by loglevel order, add the dev_alert()
version and an indentation change.
No functional changes.
MFC after: 3 days
Reviewed by: emaste
Differential Revision: https://reviews.freebsd.org/D43719
If there are no CTF sections then ctfmerge just has nothing to do; it
should not be an error.
Note that ctfmerge has an option to require CTF:
-t Make sure that all object files have a CTF section.
Before this change, this option explicitly exited without error if none
of the object files have CTF sections, with the comment:
If we're verifying that C files have CTF, it's safe to
assume that in this case, we're building only from assembly
inputs.
PR: 276930
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D43878
Update the ni/lsta reference cycle, add extra checks and assertions.
This is to accomodate problems we were seeing based on net80211
behaviour (join1() and (*iv_update_bss)() as well as state changes for
new iv_bss nodes during an active session).
This should hopefully help to stabilise behaviour until the underlying
problems gets properly addressed (for this and all other device drivers).
PR: 272607, 273985, 274003
MFC after: 3 days
Reviewed by: cc
Differential Revision: https://reviews.freebsd.org/D43753
With firmware based solutions we cannot just jump from an active session
to a new iv_bss node without tearing down state for the old and bringing
up the new node. This likely used to work on softmac based cards/drivers
where one could essentially set the state and fire at will.
We track (*iv_update_bss) calls from net80211 and set a local flag that
we are out of synch and do not allow any further operations up the state
machine until we hit INIT or SCAN. That means someone will take the state
down, clean up firmware state and then we can join again and build up
state.
Apparently this problem has been "known" for a while as native iwm(4) and
others have similar workarounds (though less strict) and can be equally
pestered into bad states. For LinuxKPI all the KASSERTs just massively
brought this problem out. The solution will be some rewrites in net80211.
Until then, try to keep us more stable at least and not die on second
join1() calls triggered by service netif start wlan0 and similar.
PR: 271979, 271988, 275255, 263613, 274003
Sponsored by: The FreeBSD Foundation (2023, partial)
MFC after: 3 days
Reviewed by: cc
Differential Revision: https://reviews.freebsd.org/D43725
Since 5efea30f03 we can possibly lose a state transition which can
cause trouble further down the road.
The reproducer from 643d6dce6c can trigger these for example.
Drivers for firmware based wireless cards have worked around some of
this (and other) problems in the past.
Add an array of tasks rather than a single one as we would simply
get npending > 1 and lose order with other tasks. Try to keep state
changes updated as queued in case we end up with more than one at a
time. While this is not ideal either (call it a hack) it will sort
the problem for now.
We will queue in ieee80211_new_state_locked() and do checks there
and dequeue in ieee80211_newstate_cb().
If we still overrun the (currently) 8 slots we will drop the state
change rather than overwrite the last one.
When dequeing we will update iv_nstate and keep it around for historic
reasons for the moment.
The longer term we should make the callers of
ieee80211_new_state[_locked]() actually use the returned errors
and act appropriately but that will touch a lot more places and
drivers (possibly incl. changed behaviour for ioctls).
rtwn(4) and rum(4) should probably be revisted and net80211 internals
removed (for rum(4) at least the current logic still seems prone to
races).
PR: 271979, 271988, 275255, 263613, 274003
Sponsored by: The FreeBSD Foundation (in 2023)
MFC after: 3 days
Reviewed by: cc
Differential Revision: https://reviews.freebsd.org/D43389
In case we cannot identify the firmware monitor buf_location,
print the type (usually 0 = invalid) so we have an idea at least
of what was set (or not).
MFC after: 3 days
It seems during the initial buildup of the file, the defines were
either mixed or not flagged as "FIXME".
Define the values through to the net80211 definitions and also
annotate them by at least some standards reference.
MFC after: 3 days
Fixes: 6b4cac814e
Reviewed by: cc
Differential Revision: https://reviews.freebsd.org/D43658
Both vap_update_preamble() and vap_update_ht_protmode() also check for
(*iv_erp_protmode_update)() rather than (*iv_preamble_update)()
or (*iv_ht_protmode_update)() before calling the later.
Use the appropriate NULL-function-pointer checks before calling it.
All seem unused currently so no functional changes expected.
MFC after: 3 days
Fixes: f1481c8d3b
Reviewed by: cc
Differential Revision: https://reviews.freebsd.org/D43655
It's currently unused outside of vidconsole.c. Gerald Hicks' fix to the
beep code from de37e4a6d2333/1998 introduced the funciton as
static. Maxim Sobolev (sobomax) made it non-static since his spinconsole
called it in c4c3b35172d67/2009. When sobomax dropped the direct call
after making spinconsole console independent in b35172d67/2017,
vidc_biosputchar remained a harmless unreferenced global. Make it static
once again.
Fixes: c7e10205ae
Sponsored by: Netflix
Export the CMD_OK, etc constants in the loader table. They are the
return values of loader.perform, etc.
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D43821
Sometimes it is nice to override the initial script that we run. Make it
possible by fetching loader_lua from the env and using that instead of
the default if prsent.
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D43819
This patch introduces support for the RISC-V APLIC interrupt controller
[1]. Currently, it is only supports direct mode, i.e. without an IMSIC
and functionally replacing the legacy RISC-V PLIC. Work on IMSIC support
is in progress.
[1] https://github.com/riscv/riscv-aia/releases/tag/1.0
Reviewed by: mhorne
Discussed with: jrtc27
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D43293
Create two partitions in the existing space at the beginning of the
image (8MB). These are intended to hold u-boot SPL and u-boot proper.
The partition types selected are compatible with SiFive boards, e.g. the
HiFive Unmatched. They can easily be overridden for a platform that uses
the same scheme but different partition types, e.g. the StarFive
VisionFive v2. Firmware is not actually installed, this too is left for
the user.
It is not as simple to create the firmware partitions after the fact,
e.g. with partition indices 3 and 4. It is a shortcoming of current day
u-boot that the SPL loader looks for a specific partition index, rather
than the partition type, meaning that we will fail to boot if partition
2 doesn't contain u-boot.
Thus, our GENERICSD images become more generically usable with current
RISC-V hardware/firmware platforms.
Reviewed by: manu, karels, imp
MFC after: 1 month
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D43849
Currently the partition layout is hardcoded to create an EFI/FAT
partition and a UFS root partition, with some logic to handle GPT/MBR
differences.
On RISC-V platforms we are seeing the emerging pattern that firmware
should be placed in a partition of a known type, rather than just a
known sector of the disk. Thus, some functionality is needed to
customize the layout for SD card images.
Add a hook, arm_create_partitions(), which can be overridden to insert
additional platform-specific partitions, possibly preceding the standard
EFI and UFS ones. A couple of new variables are added to track the
indices, e.g. ROOTFSPART_SUFFIX=p2.
In a couple places this de-duplicates the GPT/MBR logic.
Reviewed by: manu, karels, imp
MFC after: 1 month
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D43848
These days, the entries are the identical for GPT and MBR.
Reviewed by: manu, karels, imp
MFC after: 3 days
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D43847
Check for privilege PRIV_SCHED_SETPOLICY instead of PRIV_SCHED_SET, to
at least make it coherent with what is done at thread creation when
a realtime policy is requested, and have users authorized by
mac_priority(4) pass it.
This change is good enough in practice since it only allows 'root' (as
before) and mac_priority(4)'s authorized users in (the point of this
change), without other side effects. More changes in this area, to
generally ensure that all privilege checks are consistent, are going to
come as olce's priority revamp project lands.
(olce: Expanded the explanations.)
PR: 276962
Reported by: jbeich
Reviewed by: olce
Approved by: emaste (mentor)
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D43835
Follow up on D43768 to properly deal with the non-default
pipe calculation. When CC_RTO is processed, the timeout
will have already pulled back snd_nxt. Further, snd_fack
is not pulled along with snd_una.
Reviewed By: tuexen, #transport
Sponsored by: NetApp, Inc.
Differential Revision: https://reviews.freebsd.org/D43876
