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b60dc41c12
Security fixes:
CVE-2026-53613 - mount(8) TOCTOU race on target path.
The SUID mount does not pin the mount target directory, allowing a
race between path resolution and the actual mount syscall. A local
attacker can swap an ancestor directory component between these
steps to redirect a mount to an arbitrary location.
Reported-by: Xinyao Hu
CVE-2026-53612 - mount(8) TOCTOU race on post-mount owner/mode change.
The X-mount.owner, X-mount.group, and X-mount.mode options use
path-based lchown()/chmod() after mounting. An attacker can swap
the target between mount and the ownership/mode change to gain
control of arbitrary files.
Reported-by: Xinyao Hu
CVE-2026-53614 - mount(8) SUID bypass via LIBMOUNT_FORCE_MOUNT2.
The environment variable LIBMOUNT_FORCE_MOUNT2 is not filtered
via safe_getenv() in SUID context. A local attacker can force
the legacy mount(2) code path, which uses a two-step bind+remount
or propagation sequence with a window where security flags (nosuid,
noexec, ...) are not yet applied.
Reported-by: Xinyao Hu
Full release notes: https://www.kernel.org/pub/linux/utils/util-linux/v2.41/v2.41.5-ReleaseNotes
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 40ce6355c9)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
15 lines
1.5 KiB
Plaintext
15 lines
1.5 KiB
Plaintext
# From https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/v2.41/sha256sums.asc
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sha256 f586e35d320ff537aab3ffeca37e9ecd482ccbe013590db4429a414d8aa6a728 util-linux-2.41.5.tar.xz
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# License files, locally calculated
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sha256 4c2db318192bda62f3f8fcf71488bb5e602ae4385eba281d711b46cc13a40bb3 README.licensing
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sha256 527f738966ca396cd5a68c1509390de2a780c6b614d9ee57f7544a6161938ed1 Documentation/licenses/COPYING.BSD-2-Clause
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sha256 9b718a9460fed5952466421235bc79eb49d4e9eacc920d7a9dd6285ab8fd6c6d Documentation/licenses/COPYING.BSD-3-Clause
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sha256 ba7640f00d93e72e92b94b9d71f25ec53bac2f1682f5c4adcccb0018359f60f8 Documentation/licenses/COPYING.BSD-4-Clause-UC
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sha256 6fc9e709ccbfe0d77fbffa2427a983282be2eb88e47b1cdb49f21a83b4d1e665 Documentation/licenses/COPYING.EUPL-1.2
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sha256 8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643 Documentation/licenses/COPYING.GPL-2.0-only
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sha256 8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643 Documentation/licenses/COPYING.GPL-2.0-or-later
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sha256 3972dc9744f6499f0f9b2dbf76696f2ae7ad8af9b23dde66d6af86c9dfb36986 Documentation/licenses/COPYING.GPL-3.0-or-later
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sha256 e53348ce276358e9997014071c5294b36a18c4b34f32f00ee57b9acce0aafd63 Documentation/licenses/COPYING.ISC
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sha256 dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551 Documentation/licenses/COPYING.LGPL-2.1-or-later
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sha256 8555341619542abb48c102afd954e42d4478e5be16ad3d5af7b0ff71009e7348 Documentation/licenses/COPYING.MIT
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