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Tobias Gaertner bbad753368 ntfs3: add buffer boundary checks to run_unpack() 
commit b62567bca4 upstream.

run_unpack() checks `run_buf < run_last` at the top of the while loop
but then reads size_size and offset_size bytes via run_unpack_s64()
without verifying they fit within the remaining buffer.  A crafted NTFS
image with truncated run data in an MFT attribute triggers an OOB heap
read of up to 15 bytes when the filesystem is mounted.

Add boundary checks before each run_unpack_s64() call to ensure the
declared field size does not exceed the remaining buffer.

Found by fuzzing with a source-patched harness (LibAFL + QEMU).

Fixes: 82cae269cf ("fs/ntfs3: Add initialization of super block")
Cc: stable@vger.kernel.org
Signed-off-by: Tobias Gaertner <tob.gaertner@me.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-06-01 17:35:18 +02:00
arch crypto: arm64/aes - Fix 32-bit aes_mac_update() arg treated as 64-bit 2026-06-01 17:35:17 +02:00
block blk-mq: use quiesced elevator switch when reinitializing queues 2026-06-01 17:35:09 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:22:01 +02:00
crypto crypto: pcrypt - Fix handling of MAY_BACKLOG requests 2026-06-01 17:35:14 +02:00
Documentation dt-bindings: auxdisplay: ht16k33: Use unevaluatedProperties to fix common property warning 2026-04-18 10:33:29 +02:00
drivers IB/core: Fix zero dmac race in neighbor resolution 2026-06-01 17:35:18 +02:00
fs ntfs3: add buffer boundary checks to run_unpack() 2026-06-01 17:35:18 +02:00
include tpm: avoid -Wunused-but-set-variable 2026-06-01 17:35:16 +02:00
init init: handle bootloader identifier in kernel parameters 2025-10-19 16:21:45 +02:00
io_uring io_uring/poll: fix backport of io_poll_add() changes 2026-06-01 17:35:17 +02:00
ipc ipc: fix to protect IPCS lookups using RCU 2025-06-27 11:05:26 +01:00
kernel taskstats: set version in TGID exit notifications 2026-06-01 17:35:17 +02:00
lib lib/ts_kmp: fix integer overflow in pattern length calculation 2026-06-01 17:35:14 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm: blk-cgroup: fix use-after-free in cgwb_release_workfn() 2026-06-01 17:35:08 +02:00
net tcp: call sk_data_ready() after listener migration 2026-06-01 17:35:17 +02:00
samples samples: mei: Fix building on musl libc 2025-08-28 16:24:07 +02:00
scripts scripts/dtc: Remove unused dts_version in dtc-lexer.l 2026-06-01 17:35:12 +02:00
security apparmor: fix race between freeing data and fs accessing it 2026-04-18 10:33:36 +02:00
sound ALSA: 6fire: Fix input volume change detection 2026-06-01 17:35:15 +02:00
tools ktest: Fix the month in the name of the failure directory 2026-06-01 17:35:18 +02:00
usr kbuild: hdrcheck: fix cross build with clang 2025-06-27 11:05:22 +01:00
virt KVM: Don't clobber irqfd routing type when deassigning irqfd 2026-02-11 13:35:27 +01:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore Remove *.orig pattern from .gitignore 2024-10-17 15:11:10 +02:00
.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS staging: rtl8712: Remove driver using deprecated API wext 2025-12-07 06:09:36 +09:00
Makefile Linux 5.15.208 2026-05-23 13:40:45 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.