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![]() Several users of kallsyms_show_value() were performing checks not during "open". Refactor everything needed to gain proper checks against file->f_cred for modules, kprobes, and bpf. -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAl8GUbMWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJohnD/9VsPsAMV+8lhsPvkcuW/DkTcAY qUEzsXU3v06gJ0Z/1lBKtisJ6XmD93wWcZCTFvJ0S8vR3yLZvOVfToVjCMO32Trc 4ZkWTPwpvfeLug6T6CcI2ukQdZ/opI1cSabqGl79arSBgE/tsghwrHuJ8Exkz4uq 0b7i8nZa+RiTezwx4EVeGcg6Dv1tG5UTG2VQvD/+QGGKneBlrlaKlI885N/6jsHa KxvB7+8ES1pnfGYZenx+RxMdljNrtyptbQEU8gyvoV5YR7635gjZsVsPwWANJo+4 EGcFFpwWOAcVQaC3dareLTM8nVngU6Wl3Rd7JjZtjvtZba8DdCn669R34zDGXbiP +1n1dYYMSMBeqVUbAQfQyLD0pqMIHdwQj2TN8thSGccr2o3gNk6AXgYq0aYm8IBf xDCvAansJw9WqmxErIIsD4BFkMqF7MjH3eYZxwCPWSrKGDvKxQSPV5FarnpDC9U7 dYCWVxNPmtn+unC/53yXjEcBepKaYgNR7j5G7uOfkHvU43Bd5demzLiVJ10D8abJ ezyErxxEqX2Gr7JR2fWv7iBbULJViqcAnYjdl0y0NgK/hftt98iuge6cZmt1z6ai 24vI3X4VhvvVN5/f64cFDAdYtMRUtOo2dmxdXMid1NI07Mj2qFU1MUwb8RHHlxbK 8UegV2zcrBghnVuMkw== =ib5Q -----END PGP SIGNATURE----- Merge tag 'kallsyms_show_value-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kallsyms fix from Kees Cook: "Refactor kallsyms_show_value() users for correct cred. I'm not delighted by the timing of getting these changes to you, but it does fix a handful of kernel address exposures, and no one has screamed yet at the patches. Several users of kallsyms_show_value() were performing checks not during "open". Refactor everything needed to gain proper checks against file->f_cred for modules, kprobes, and bpf" * tag 'kallsyms_show_value-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests: kmod: Add module address visibility test bpf: Check correct cred for CAP_SYSLOG in bpf_dump_raw_ok() kprobes: Do not expose probe addresses to non-CAP_SYSLOG module: Do not expose section addresses to non-CAP_SYSLOG module: Refactor section attr into bin attribute kallsyms: Refactor kallsyms_show_value() to take cred |
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.. | ||
bpf | ||
cgroup | ||
configs | ||
debug | ||
dma | ||
events | ||
gcov | ||
irq | ||
kcsan | ||
livepatch | ||
locking | ||
power | ||
printk | ||
rcu | ||
sched | ||
time | ||
trace | ||
.gitignore | ||
acct.c | ||
async.c | ||
audit_fsnotify.c | ||
audit_tree.c | ||
audit_watch.c | ||
audit.c | ||
audit.h | ||
auditfilter.c | ||
auditsc.c | ||
backtracetest.c | ||
bounds.c | ||
capability.c | ||
compat.c | ||
configs.c | ||
context_tracking.c | ||
cpu_pm.c | ||
cpu.c | ||
crash_core.c | ||
crash_dump.c | ||
cred.c | ||
delayacct.c | ||
dma.c | ||
elfcore.c | ||
exec_domain.c | ||
exit.c | ||
extable.c | ||
fail_function.c | ||
fork.c | ||
freezer.c | ||
futex.c | ||
gen_kheaders.sh | ||
groups.c | ||
hung_task.c | ||
iomem.c | ||
irq_work.c | ||
jump_label.c | ||
kallsyms.c | ||
kcmp.c | ||
Kconfig.freezer | ||
Kconfig.hz | ||
Kconfig.locks | ||
Kconfig.preempt | ||
kcov.c | ||
kexec_core.c | ||
kexec_elf.c | ||
kexec_file.c | ||
kexec_internal.h | ||
kexec.c | ||
kheaders.c | ||
kmod.c | ||
kprobes.c | ||
ksysfs.c | ||
kthread.c | ||
latencytop.c | ||
Makefile | ||
module_signature.c | ||
module_signing.c | ||
module-internal.h | ||
module.c | ||
notifier.c | ||
nsproxy.c | ||
padata.c | ||
panic.c | ||
params.c | ||
pid_namespace.c | ||
pid.c | ||
profile.c | ||
ptrace.c | ||
range.c | ||
reboot.c | ||
relay.c | ||
resource.c | ||
rseq.c | ||
scs.c | ||
seccomp.c | ||
signal.c | ||
smp.c | ||
smpboot.c | ||
smpboot.h | ||
softirq.c | ||
stackleak.c | ||
stacktrace.c | ||
stop_machine.c | ||
sys_ni.c | ||
sys.c | ||
sysctl_binary.c | ||
sysctl-test.c | ||
sysctl.c | ||
task_work.c | ||
taskstats.c | ||
test_kprobes.c | ||
torture.c | ||
tracepoint.c | ||
tsacct.c | ||
ucount.c | ||
uid16.c | ||
uid16.h | ||
umh.c | ||
up.c | ||
user_namespace.c | ||
user-return-notifier.c | ||
user.c | ||
utsname_sysctl.c | ||
utsname.c | ||
watch_queue.c | ||
watchdog_hld.c | ||
watchdog.c | ||
workqueue_internal.h | ||
workqueue.c |