We are pleased to announce the release of Zephyr version 2.7.4.

This is an LTS maintenance release with fixes.

Issues Fixed

These GitHub issues were addressed since the previous 2.7.3 tagged
release:

25417 - net: socket: socketpair: check for ISR context
41012 - irq_enable() doesn’t support enabling NVIC IRQ number more than 127
44070 - west spdx TypeError: 'NoneType' object is not iterable
46072 - subsys/hawkBit: Debug log error in hawkbit example
"CONFIG_LOG_STRDUP_MAX_STRING"
48056 - Possible null pointer dereference after k_mutex_lock times out
49102 - hawkbit - dns name randomly not resolved
49139 - can't run west or DT tests on windows / py 3.6
49564 - Newer versions of pylink are not supported in latest zephyr 2.7 release
49569 - Backport cmake string cache fix to v2.7 branch
50221 - tests: debug: test case subsys/debug/coredump failed on
acrn_ehl_crb on branch v2.7
50467 - Possible memory corruption on ARC when userspace is enabled
50468 - Incorrect Z_THREAD_STACK_BUFFER in arch_start_cpu for Xtensa
50961 - drivers: counter: Update counter_set_channel_alarm documentation
51714 - Bluetooth: Application with buffer that cannot unref it in
disconnect handler leads to advertising issues
51776 - POSIX API is not portable across arches
52247 - mgmt: mcumgr: image upload, then image erase, then image
upload does not restart upload from start
52517 - lib: posix: sleep() does not return the number of seconds left
if interrupted
52518 - lib: posix: usleep() does not follow the POSIX spec
52542 - lib: posix: make sleep() and usleep() standards-compliant
52591 - mcumgr user data size out of sync with net buffer user data size
52829 - kernel/sched: Fix SMP race on pend
53088 - Unable to change initialization priority of logging subsys

Security Vulnerability Related

The following security vulnerabilities (CVEs) were addressed in this
release:

CVE-2022-2741: Zephyr project bug tracker GHSA-hx5v-j59q-c3j8

CVE-2022-1841: Zephyr project bug tracker GHSA-5c3j-p8cr-2pgh

More detailed information can be found in:
https://docs.zephyrproject.org/latest/security/vulnerabilities.html

Changes since zephyr-v2.7.3

Anas Nashif (2):
actions: west/devicetree: exclude python 3.6 on windows
ci: update cancel-workflow-action action to 0.11.0

Andy Ross (1):
kernel/sched: Fix SMP race on pend

Chris Friedt (8):
net: sockets: socketpair: do not allow blocking IO in ISR context
tests: kernel: mutex: move race timeout test to mutex_api
tests: posix: clock: do not use usleep in a broken way
lib: posix: sleep() should report unslept time in seconds
lib: posix: update usleep() to follow the POSIX spec
tests: posix: add tests for sleep() and usleep()
release: update v2.7.4 release notes
release: Zephyr 2.7.4

Daniel Leung (3):
tests: coredump: skip acrn_ehl_crb
soc: intel_adsp: use Z_KERNEL_STACK_BUFFER instead of...
soc: esp32: use Z_KERNEL_STACK_BUFFER instead of...

Flavio Ceolin (1):
net: tcp: Fix possible buffer underflow

Gerard Marull-Paretas (6):
scripts: west_commands: runners: jlink: support pylink >= 0.14
scripts: west_commands: runners: jlink: support pylink >= 0.14.2
ci: doc-build: set timeout to 30 minutes
ci: doc-build: disable parallel build
ci: doc-build: use concurrency group to cancel in progress builds
ci: doc-build: skip Kconfig docs build on pull requests

Ian Oliver (1):
log_core: Add Kconfig symbol for init priority

Jamie McCrae (4):
drivers: counter: Update counter_set_channel_alarm documentation
mgmt: mcumgr: Fix Bluetooth transport issues
net: Synchronise user data size with mcumgr
manifest: Update mcumgr revision

Jay Vasanth (1):
soc arm: MEC172x soc.h - Include custom IRQn_Type

Jordan Yates (1):
scripts: zspdx: fix writing custom license IDs

Martí Bolívar (2):
edtlib: remove python 3.5 workaround
python-devicetree: CI hotfix

Qi Yang (1):
kernel: mutex: fix races when lock timeout

Ruud Derwig (1):
ARC: fx possible memory corruption with userspace

Stephanos Ioannidis (50):
ci: Limit workflow scope to v2.7-branch
ci: doc: Publish pull request docs to builds.zephyrproject.io
ci: issue_count: Fix stale reference to master branch
ci: bluetooth-tests: Use Ubuntu 20.04 runner image
ci: backport_issue_check: Use Ubuntu 20.04 runner image
ci: clang: Use Ubuntu 20.04 runner image
ci: coding_guidelines: Use Ubuntu 20.04 runner image
ci: compliance: Use Ubuntu 20.04 runner image
ci: daily_test_version: Use Ubuntu 20.04 runner image
ci: doc: Use Ubuntu 20.04 runner image
ci: errno: Use Ubuntu 20.04 runner image
ci: footprint-tracking: Use Ubuntu 20.04 runner image
ci: footprint: Use Ubuntu 20.04 runner image
ci: issue_count: Use Ubuntu 20.04 runner image
ci: license_check: Use Ubuntu 20.04 runner image
ci: manifest: Use Ubuntu 20.04 runner image
ci: release: Use Ubuntu 20.04 runner image
ci: stale_issue: Use Ubuntu 20.04 runner image
ci: twister_tests: Use Ubuntu 20.04 runner image
ci: twister: Use Ubuntu 20.04 runner image
ci: devicetree_checks: Use specific version of runner image
ci: west_cmds: Use specific version of runner image
ci: backport: Use Ubuntu 20.04 runner image
ci: compliance: Use upload-artifact action v3
ci: doc-build: Use upload-artifact action v3
ci: issue_count: Use upload-artifact action v3
ci: compliance: Use upload-artifact action v3
ci: bluetooth-tests: Use "concurrency" to cancel previous runs
ci: twister: Use "concurrency" to cancel previous runs
ci: clang: Use "concurrency" to cancel previous runs
ci: codecov: Use "concurrency" to cancel previous runs
ci: footprint: Use "concurrency" to cancel previous runs
ci: footprint-tracking: Use "concurrency" to cancel previous runs
ci: clang: Use output parameter file
ci: codecov: Use output parameter file
ci: release: Use output parameter file
ci: twister: Use output parameter file
ci: Use actions/checkout@v3
ci: Use actions/upload-artifact@v3
ci: Use actions/setup-python@v4
ci: Use actions/cache@v3
ci: twister: Use zephyr-runner
ci: twister: Clone cached Zephyr repository
ci: twister: Remove obsolete clean-up steps
ci: clang: Use zephyr-runner
ci: clang: Clone cached Zephyr repository
ci: clang: Remove obsolete clean-up steps
ci: codecov: Use zephyr-runner
ci: codecov: Clone cached Zephyr repository
ci: Clone cached Zephyr repository with shared objects

Torsten Rasmussen (1):
cmake: kconfig: preserved quotes for Kconfig string values

Yong Cong Sin (3):
subsys/mgmt/hawkbit: Init the `hints` struct to a known value
subsys/mgmt/hawkbit: Set `ai_socktype` if IPV4/IPV6
mgmt/hawkbit: Print hrefs only if there's an update