Various fixes, including security. https://github.com/util-linux/util-linux/blob/v2.42.3/Documentation/releases/v2.42.3-ReleaseNotes
Plugs CVEs: CVE-2026-76642: mount post-mount hooks execute after helper failure. CVE-2026-78410: mount TOCTOU race on source path. CVE-2026-78409: mount X-mount.subdir symlink escape. CVE-2026-78408: nsenter, unshare file descriptor leak. CVE-2024-28085: wall, write, hostname escape sequence injection. (additional fixes) * Add upstream patch for openat2 build breakage. Signed-off-by: Christian Melki <[email protected]> --- ...sing-fileutils.h-include-to-hook_idm.patch | 33 +++++++++++++++++++ patches/util-linux-2.42.3/series | 4 +++ rules/util-linux.make | 4 +-- 3 files changed, 39 insertions(+), 2 deletions(-) create mode 100644 patches/util-linux-2.42.3/0001-libmount-add-missing-fileutils.h-include-to-hook_idm.patch create mode 100644 patches/util-linux-2.42.3/series diff --git a/patches/util-linux-2.42.3/0001-libmount-add-missing-fileutils.h-include-to-hook_idm.patch b/patches/util-linux-2.42.3/0001-libmount-add-missing-fileutils.h-include-to-hook_idm.patch new file mode 100644 index 000000000..1722dea4e --- /dev/null +++ b/patches/util-linux-2.42.3/0001-libmount-add-missing-fileutils.h-include-to-hook_idm.patch @@ -0,0 +1,33 @@ +From: Karel Zak <[email protected]> +Date: Wed, 2 Sep 2026 13:32:27 +0200 +Subject: [PATCH] libmount: add missing fileutils.h include to hook_idmap.c + +The hook_idmap.c uses RESOLVE_NO_SYMLINKS (added by commit fb8e26535) +but does not include fileutils.h, which provides the fallback #define +for this constant. + +On Fedora (glibc 2.40+), this is masked because glibc's +<bits/fcntl-linux.h> transitively includes <linux/openat2.h>, which +defines RESOLVE_NO_SYMLINKS. On Ubuntu (and other distros with older +glibc), <fcntl.h> does not pull in openat2.h, so the build fails: + + hook_idmap.c:335:33: error: 'RESOLVE_NO_SYMLINKS' undeclared + +Fixes: fb8e26535 ("libmount: pin source path with openat2() for restricted users") +Signed-off-by: Karel Zak <[email protected]> +--- + libmount/src/hook_idmap.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/libmount/src/hook_idmap.c b/libmount/src/hook_idmap.c +index 77494e298102..2c697b171544 100644 +--- a/libmount/src/hook_idmap.c ++++ b/libmount/src/hook_idmap.c +@@ -23,6 +23,7 @@ + + #include "strutils.h" + #include "all-io.h" ++#include "fileutils.h" + #include "namespace.h" + + #include "mountP.h" diff --git a/patches/util-linux-2.42.3/series b/patches/util-linux-2.42.3/series new file mode 100644 index 000000000..666af239c --- /dev/null +++ b/patches/util-linux-2.42.3/series @@ -0,0 +1,4 @@ +# generated by git-ptx-patches +#tag:base --start-number 1 +0001-libmount-add-missing-fileutils.h-include-to-hook_idm.patch +# 68b169e8902b5198d49c78f09057ae1d - git-ptx-patches magic diff --git a/rules/util-linux.make b/rules/util-linux.make index 33e525820..dc65181eb 100644 --- a/rules/util-linux.make +++ b/rules/util-linux.make @@ -15,8 +15,8 @@ PACKAGES-$(PTXCONF_UTIL_LINUX) += util-linux # # Paths and names # -UTIL_LINUX_VERSION := 2.42.2 -UTIL_LINUX_SHA256 := 03a05d3adf9602ef128f2da05b84b3205ce60c351e5737c0370f74000679ce8a +UTIL_LINUX_VERSION := 2.42.3 +UTIL_LINUX_SHA256 := 66ac7c0e725278eb2b039e3104f2c91119341d941b41bac7a285c695f940bd57 UTIL_LINUX := util-linux-$(UTIL_LINUX_VERSION) UTIL_LINUX_SUFFIX := tar.xz UTIL_LINUX_BASENAME := v$(if $(filter 2,$(basename $(UTIL_LINUX_VERSION))),$(UTIL_LINUX_VERSION),$(basename $(UTIL_LINUX_VERSION))) -- 2.43.0
