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a3e525feae
linux/drivers/acpi/acpica
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Jessica Clarke a3e525feae ACPICA: Avoid subobject buffer overflow when validating RSDP signature 
ACPICA commit 6bb72909c1e3d415aee214104a01bc9834b2d4ce

Since the Signature member is accessed through an struct acpi_table_header, the
pointer to it is only to a 4-char array, and so trying to read past the
4th character, as will be done when it is an RSDP, reads beyond the
bounds of the accessed member. On CHERI, and thus Arm's experimental
Morello prototype architecture, pointers are represented as
capabilities, which are unforgeable bounded pointers, providing
always-on fine-grained spatial memory safety. By default, subobject
bounds enforcement is not enabled, only bounds on allocations, but it is
enabled in the cheri_BSD (a port of free_BSD) kernel as intra-object
overflow attacks are common on operating system kernels, and so this
overflow is detected there and traps.

Link: https://github.com/acpica/acpica/commit/6bb72909
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2021-12-27 17:01:28 +01:00
..
acapps.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
accommon.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acconvert.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acdebug.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acdispat.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acevents.h ACPICA: Use original data_table_region pointer for accesses 2021-12-27 17:01:28 +01:00
acglobal.h ACPICA: Avoid evaluating methods too early during system resume 2021-10-05 15:53:32 +02:00
achware.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acinterp.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
aclocal.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acmacros.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acnamesp.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acobject.h ACPICA: Use original data_table_region pointer for accesses 2021-12-27 17:01:28 +01:00
acopcode.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acparser.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
acpredef.h ACPICA: ACPI 6.4: add CXL ACPI device ID and _CBR object 2021-04-07 19:09:00 +02:00
acresrc.h ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
acstruct.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
actables.h ACPICA: Use original pointer for virtual origin tables 2021-12-27 17:01:28 +01:00
acutils.h ACPICA: Add support for PlatformRtMechanism OperationRegion handler 2021-06-07 14:04:43 +02:00
amlcode.h ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
amlresrc.h ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
dbcmds.c
dbconvert.c ACPICA: debugger: remove leading whitespaces when converting a string to a buffer 2019-10-28 22:12:46 +01:00
dbdisply.c ACPICA: iASL: add new OperationRegion subtype keyword PlatformRtMechanism 2020-06-05 13:34:23 +02:00
dbexec.c ACPICA: Debugger: Add a new command: "ALL <NameSeg>" 2020-10-08 18:03:55 +02:00
dbfileio.c ACPICA: make acpi_load_table() return table index 2019-10-28 22:12:46 +01:00
dbhistry.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dbinput.c ACPICA: add type casts for string functions 2021-01-22 15:51:53 +01:00
dbmethod.c ACPICA: Debugger: Add a new command: "ALL <NameSeg>" 2020-10-08 18:03:55 +02:00
dbnames.c ACPICA: debugger: surround field unit output with braces '{' 2019-10-28 22:12:46 +01:00
dbobject.c ACPICA: Clean up exception code class checks 2021-01-18 16:01:10 +01:00
dbstats.c ACPICA: Fully deploy ACPI_PRINTF_LIKE macro 2019-08-21 00:00:37 +02:00
dbtest.c ACPICA: Debugger: Fix possible fault with the "test objects" command 2019-02-18 11:21:10 +01:00
dbutils.c
dbxface.c ACPICA: acpiexec: remove redeclaration of acpi_gbl_db_opt_no_region_support 2020-03-30 14:52:32 +02:00
dsargs.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dscontrol.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dsdebug.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dsfield.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dsinit.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dsmethod.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dsmthdat.c
dsobject.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dsopcode.c ACPICA: Use original data_table_region pointer for accesses 2021-12-27 17:01:28 +01:00
dspkginit.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dsutils.c ACPICA: Remove defines that use deprecated flag 2018-12-13 22:40:51 +01:00
dswexec.c ACPICA: Fix an if statement (add parens) 2021-08-16 16:47:01 +02:00
dswload2.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dswload.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dswscope.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
dswstate.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evevent.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evglock.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evgpe.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evgpeblk.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evgpeinit.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evgpeutil.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evhandler.c ACPICA: Use original data_table_region pointer for accesses 2021-12-27 17:01:28 +01:00
evmisc.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evregion.c ACPICA: Remove some code duplication from acpi_ev_address_space_dispatch 2021-02-19 16:03:25 +01:00
evrgnini.c ACPICA: Use original data_table_region pointer for accesses 2021-12-27 17:01:28 +01:00
evsci.c
evxface.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evxfevnt.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evxfgpe.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
evxfregn.c ACPICA: Fix race in generic_serial_bus (I2C) and GPIO op_region parameter handling 2021-02-19 16:03:25 +01:00
exconcat.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exconfig.c ACPICA: Use original pointer for virtual origin tables 2021-12-27 17:01:28 +01:00
exconvrt.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
excreate.c ACPICA: Use original data_table_region pointer for accesses 2021-12-27 17:01:28 +01:00
exdebug.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exdump.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exfield.c ACPICA: Add support for PlatformRtMechanism OperationRegion handler 2021-06-07 14:04:43 +02:00
exfldio.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exmisc.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exmutex.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exnames.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exoparg1.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exoparg2.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exoparg3.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exoparg6.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exprep.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exregion.c ACPICA: Use original data_table_region pointer for accesses 2021-12-27 17:01:28 +01:00
exresnte.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exresolv.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exresop.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exserial.c ACPICA: Add support for PlatformRtMechanism OperationRegion handler 2021-06-07 14:04:43 +02:00
exstore.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exstoren.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exstorob.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exsystem.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
extrace.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
exutils.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
hwacpi.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
hwesleep.c ACPICA: Avoid evaluating methods too early during system resume 2021-10-05 15:53:32 +02:00
hwgpe.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
hwpci.c
hwregs.c ACPICA: ACPICA: add status check for acpi_hw_read before assigning return value 2018-08-14 23:49:13 +02:00
hwsleep.c ACPICA: Avoid evaluating methods too early during system resume 2021-10-05 15:53:32 +02:00
hwtimer.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
hwvalid.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
hwxface.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
hwxfsleep.c ACPICA: Avoid evaluating methods too early during system resume 2021-10-05 15:53:32 +02:00
Makefile ACPICA: Remove PCI bits from ACPICA when CONFIG_PCI is unset 2018-12-20 10:19:49 +01:00
nsaccess.c ACPICA: Always create namespace nodes using acpi_ns_create_node() 2021-03-24 14:50:54 +01:00
nsalloc.c ACPICA: Remove unnecessary semicolon 2020-10-08 18:03:56 +02:00
nsarguments.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nsconvert.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nsdump.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nsdumpdv.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nseval.c ACPICA: remove legacy module-level code due to deprecation 2019-07-04 00:59:43 +02:00
nsinit.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nsload.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nsnames.c ACPICA: Fixes for acpiExec namespace init file 2020-03-30 14:52:33 +02:00
nsobject.c ACPICA: Namespace: remove address node from global list after method termination 2019-04-09 10:05:11 +02:00
nsparse.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nspredef.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nsprepkg.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nsrepair2.c Revert "ACPICA: Fix memory leak caused by _CID repair function" 2021-08-03 18:14:44 +02:00
nsrepair.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nssearch.c ACPICA: Revert "iASL: change processing of external op namespace nodes for correctness" 2018-07-09 11:14:45 +02:00
nsutils.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nswalk.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nsxfeval.c
nsxfname.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
nsxfobj.c ACPICA: Tree-wide: fix various typos and spelling mistakes 2020-10-08 18:03:55 +02:00
psargs.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
psloop.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
psobject.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
psopcode.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
psopinfo.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
psparse.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
psscope.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
pstree.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
psutils.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
pswalk.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
psxface.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
rsaddr.c
rscalc.c ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
rscreate.c ACPICA: More Clang changes 2019-10-28 22:12:46 +01:00
rsdump.c ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
rsdumpinfo.c ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
rsinfo.c ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
rsio.c
rsirq.c ACPI/ACPICA: Trivial: fix spelling mistakes and fix whitespace formatting 2019-02-24 21:12:01 +01:00
rslist.c ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
rsmemory.c
rsmisc.c ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
rsserial.c ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
rsutils.c
rsxface.c ACPICA: Rename nameseg compare macro for clarity 2019-04-09 10:08:28 +02:00
tbdata.c ACPICA: Use original pointer for virtual origin tables 2021-12-27 17:01:28 +01:00
tbfadt.c ACPICA: Use original pointer for virtual origin tables 2021-12-27 17:01:28 +01:00
tbfind.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
tbinstal.c ACPICA: Use original pointer for virtual origin tables 2021-12-27 17:01:28 +01:00
tbprint.c ACPICA: Avoid subobject buffer overflow when validating RSDP signature 2021-12-27 17:01:28 +01:00
tbutils.c ACPICA: Use original pointer for virtual origin tables 2021-12-27 17:01:28 +01:00
tbxface.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
tbxfload.c ACPICA: Use original pointer for virtual origin tables 2021-12-27 17:01:28 +01:00
tbxfroot.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utaddress.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utalloc.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utascii.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utbuffer.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utcache.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utcopy.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utdebug.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utdecode.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utdelete.c ACPICA: Clean up context mutex during object deletion 2021-05-31 13:56:33 +02:00
uterror.c ACPICA: Increase total number of possible Owner IDs 2019-08-21 00:00:36 +02:00
uteval.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utexcep.c
utglobal.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
uthex.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utids.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utinit.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utlock.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utmath.c
utmisc.c ACPICA: Rename nameseg compare macro for clarity 2019-04-09 10:08:28 +02:00
utmutex.c
utnonansi.c
utobject.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utosi.c ACPICA: Add support for Windows 2020 _OSI string 2021-10-05 15:53:37 +02:00
utownerid.c ACPICA: Increase total number of possible Owner IDs 2019-08-21 00:00:36 +02:00
utpredef.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utprint.c ACPICA: Use ACPI_FALLTHROUGH 2021-06-07 14:04:43 +02:00
utresdecode.c ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
utresrc.c ACPICA: ACPI 6.4: add CSI2Bus resource template 2021-04-07 19:09:01 +02:00
utstate.c
utstring.c ACPICA: Rename nameseg length macro/define for clarity 2019-04-09 11:24:48 +02:00
utstrsuppt.c ACPICA: add type casts for string functions 2021-01-22 15:51:53 +01:00
utstrtoul64.c ACPICA: Utilities: split hex detection into smaller functions 2018-08-14 23:49:13 +02:00
uttrack.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utuuid.c ACPICA: Add support for PlatformRtMechanism OperationRegion handler 2021-06-07 14:04:43 +02:00
utxface.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utxferror.c ACPICA: Convert more ACPI errors to firmware errors 2019-01-15 18:04:02 +01:00
utxfinit.c ACPICA: Updated all copyrights to 2021 2021-01-22 15:51:53 +01:00
utxfmutex.c