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Filename Latest commit message Latest commit date
Johan Hovold 8657158a3b ipack: ipoctal: fix stack information leak 
commit a89936cce87d60766a75732a9e7e25c51164f47c upstream.

The tty driver name is used also after registering the driver and must
specifically not be allocated on the stack to avoid leaking information
to user space (or triggering an oops).

Drivers should not try to encode topology information in the tty device
name but this one snuck in through staging without anyone noticing and
another driver has since copied this malpractice.

Fixing the ABI is a separate issue, but this at least plugs the security
hole.

Fixes: ba4dc61fe8 ("Staging: ipack: add support for IP-OCTAL mezzanine board")
Cc: stable@vger.kernel.org      # 3.5
Acked-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210917114622.5412-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-06 15:42:35 +02:00
arch perf/x86/intel: Update event constraints for ICX 2021-10-06 15:42:35 +02:00
block Revert "block, bfq: honor already-setup queue merges" 2021-10-06 15:42:34 +02:00
certs
crypto
Documentation dt-bindings: mtd: gpmc: Fix the ECC bytes vs. OOB bytes equation 2021-09-22 12:26:43 +02:00
drivers ipack: ipoctal: fix stack information leak 2021-10-06 15:42:35 +02:00
fs debugfs: debugfs_create_file_size(): use IS_ERR to check for error 2021-10-06 15:42:35 +02:00
include af_unix: fix races in sk_peer_pid and sk_peer_cred accesses 2021-10-06 15:42:35 +02:00
init
ipc
kernel cpufreq: schedutil: Use kobject release() method to free sugov_tunables 2021-10-06 15:42:29 +02:00
lib Kconfig.debug: drop selecting non-existing HARDLOCKUP_DETECTOR_ARCH 2021-09-26 14:07:10 +02:00
LICENSES
mm mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range() 2021-09-22 12:26:43 +02:00
net af_unix: fix races in sk_peer_pid and sk_peer_cred accesses 2021-10-06 15:42:35 +02:00
samples
scripts
security apparmor: remove duplicate macro list_entry_is_head() 2021-09-26 14:07:06 +02:00
sound ASoC: rockchip: i2s: Fixup config for DAIFMT_DSP_A/B 2021-09-22 12:26:35 +02:00
tools selftests, bpf: test_lwt_ip_encap: Really disable rp_filter 2021-10-06 15:42:34 +02:00
usr
virt KVM: remember position in kvm->vcpus array 2021-09-26 14:07:05 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
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COPYING
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Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.150 2021-09-30 10:09:26 +02:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.