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12ed593ee8
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Linus Torvalds 12ed593ee8 Capabilities update for 6.17 
This branch contains two patches:
 
   cdd73b1666 uapi: fix broken link in linux/capability.h
 
 This updates documentation in capability.h.
 
   337490f000 exec: Correct the permission check for unsafe exec
 
 This is not a trivial patch, but fixes a real problem where during
 exec, different effective and real credentials were assumed to mean
 changed credentials, making it impossible in the no-new-privs case
 to keep different uid and euid.
 
 These are available at:
 
    git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux.git #caps-pr-20250729
 
 on top of commit 19272b37aa (tag: v6.16-rc1)
 
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 commit cdd73b1666
 Author: Ariel Otilibili <ariel.otilibili-anieli@eurecom.fr>
 Date:   Wed Jul 2 12:00:21 2025 +0200
 
     uapi: fix broken link in linux/capability.h
 
     The link to the libcap library is outdated. Instead, use a link to the
     libcap2 library.
 
     As well, give the complete reference of the POSIX compliance.
 
     Signed-off-by: Ariel Otilibili <ariel.otilibili-anieli@eurecom.fr>
     Acked-by: Andrew G. Morgan <morgan@kernel.org>
     Reviewed-by: Paul Moore <paul@paul-moore.com>
     Signed-off-by: Serge Hallyn <sergeh@kernel.org>
 
 diff --git a/include/uapi/linux/capability.h b/include/uapi/linux/capability.h
 index 2e21b5594f81..ea5a0899ecf0 100644
 --- a/include/uapi/linux/capability.h
 +++ b/include/uapi/linux/capability.h
 @@ -6,9 +6,10 @@
   * Alexander Kjeldaas <astor@guardian.no>
   * with help from Aleph1, Roland Buresund and Andrew Main.
   *
 - * See here for the libcap library ("POSIX draft" compliance):
 + * See here for the libcap2 library (compliant with Section 25 of
 + * the withdrawn POSIX 1003.1e Draft 17):
   *
 - * ftp://www.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.6/
 + * https://www.kernel.org/pub/linux/libs/security/linux-privs/libcap2/
   */
 
  #ifndef _UAPI_LINUX_CAPABILITY_H
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Merge tag 'caps-pr-20250729' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux

Pull capabilities update from Serge Hallyn:

 - Fix broken link in documentation in capability.h

 - Correct the permission check for unsafe exec

   During exec, different effective and real credentials were assumed to
   mean changed credentials, making it impossible in the no-new-privs
   case to keep different uid and euid

* tag 'caps-pr-20250729' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux:
  uapi: fix broken link in linux/capability.h
  exec: Correct the permission check for unsafe exec
2025-07-31 11:19:54 -07:00
arch DT updates for ralink, mobileye and ralink 2025-07-31 11:08:55 -07:00
block Driver core changes for 6.17-rc1 2025-07-29 12:15:39 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto This update includes the following changes: 2025-07-31 09:45:28 -07:00
Documentation DT updates for ralink, mobileye and ralink 2025-07-31 11:08:55 -07:00
drivers DT updates for ralink, mobileye and ralink 2025-07-31 11:08:55 -07:00
fs \n 2025-07-31 10:31:00 -07:00
include Capabilities update for 6.17 2025-07-31 11:19:54 -07:00
init x86/boot changes for v6.17: 2025-07-29 18:58:22 -07:00
io_uring for-6.17/io_uring-20250728 2025-07-28 16:30:12 -07:00
ipc vfs-6.17-rc1.mmap_prepare 2025-07-28 13:43:25 -07:00
kernel This update includes the following changes: 2025-07-31 09:45:28 -07:00
lib Networking changes for 6.17. 2025-07-30 08:58:55 -07:00
LICENSES LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2 2025-07-24 11:15:39 +02:00
mm It has been a relatively busy cycle for docs, especially the build system: 2025-07-31 08:36:51 -07:00
net bpf-next-6.17 2025-07-30 09:58:50 -07:00
rust drm for 6.17-rc1 2025-07-30 19:26:49 -07:00
samples \n 2025-07-31 10:31:00 -07:00
scripts It has been a relatively busy cycle for docs, especially the build system: 2025-07-31 08:36:51 -07:00
security Capabilities update for 6.17 2025-07-31 11:19:54 -07:00
sound A treewide cleanup of struct cycle_counter const annotations: 2025-07-29 14:02:53 -07:00
tools ARM: 2025-07-30 17:14:01 -07:00
usr usr/include: openrisc: don't HDRTEST bpf_perf_event.h 2025-05-12 15:03:17 +09:00
virt Merge tag 'kvm-x86-no_assignment-6.17' of https://github.com/kvm-x86/linux into HEAD 2025-07-29 08:36:42 -04:00
.clang-format Linux 6.15-rc5 2025-05-06 16:39:25 +10:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore gitignore: allow .pylintrc to be tracked 2025-07-02 17:10:04 -06:00
.mailmap 11 hotfixes. 9 are cc:stable and the remainder address post-6.15 issues 2025-07-24 19:13:30 -07:00
.pylintrc docs: add a .pylintrc file with sys path for docs scripts 2025-04-09 12:10:33 -06:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS mm: update MAINTAINERS entry for HMM 2025-07-19 19:26:16 -07:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS It has been a relatively busy cycle for docs, especially the build system: 2025-07-31 08:36:51 -07:00
Makefile hardening updates for v6.17-rc1 2025-07-28 17:16:12 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -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 reStructuredText 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.