|Summary:||CVE-2021-4001 kernel: race condition when the EBPF map is frozen [fedora-all]|
|Product:||[Fedora] Fedora||Reporter:||Guilherme de Almeida Suckevicz <gsuckevi>|
|Component:||kernel||Assignee:||Kernel Maintainer List <kernel-maint>|
|Status:||CLOSED ERRATA||QA Contact:||Fedora Extras Quality Assurance <extras-qa>|
|Version:||35||CC:||acaringi, adscvr, airlied, alciregi, bskeggs, hdegoede, jarodwilson, jeremy, jforbes, jglisse, jonathan, josef, jwboyer, kernel-maint, lgoncalv, linville, masami256, mchehab, ptalbert, steved|
|Target Milestone:||---||Keywords:||Security, SecurityTracking|
|Fixed In Version:||kernel-5.15.5-100.fc34 kernel-5.15.5-200.fc35||Doc Type:||No Doc Update|
|Doc Text:||Story Points:||---|
|Last Closed:||2021-11-30 01:11:28 UTC||Type:||---|
|oVirt Team:||---||RHEL 7.3 requirements from Atomic Host:|
|Cloudforms Team:||---||Target Upstream Version:|
|Bug Depends On:|
Description Guilherme de Almeida Suckevicz 2021-11-22 16:35:42 UTC
This is an automatically created tracking bug! It was created to ensure that one or more security vulnerabilities are fixed in affected versions of fedora-all. For comments that are specific to the vulnerability please use bugs filed against the "Security Response" product referenced in the "Blocks" field. For more information see: http://fedoraproject.org/wiki/Security/TrackingBugs When submitting as an update, use the fedpkg template provided in the next comment(s). This will include the bug IDs of this tracking bug as well as the relevant top-level CVE bugs. Please also mention the CVE IDs being fixed in the RPM changelog and the fedpkg commit message. NOTE: this issue affects multiple supported versions of Fedora. While only one tracking bug has been filed, please correct all affected versions at the same time. If you need to fix the versions independent of each other, you may clone this bug as appropriate. Reproducers, if any, will remain confidential and never be made public, unless done so by the security team.
Comment 1 Guilherme de Almeida Suckevicz 2021-11-22 16:35:45 UTC
Use the following template to for the 'fedpkg update' request to submit an update for this issue as it contains the top-level parent bug(s) as well as this tracking bug. This will ensure that all associated bugs get updated when new packages are pushed to stable. ===== # bugfix, security, enhancement, newpackage (required) type=security # low, medium, high, urgent (required) severity=medium # testing, stable request=testing # Bug numbers: 1234,9876 bugs=2025645,2025646 # Description of your update notes=Security fix for [PUT CVEs HERE] # Enable request automation based on the stable/unstable karma thresholds autokarma=True stable_karma=3 unstable_karma=-3 # Automatically close bugs when this marked as stable close_bugs=True # Suggest that users restart after update suggest_reboot=False ====== Additionally, you may opt to use the bodhi web interface to submit updates: https://bodhi.fedoraproject.org/updates/new
Comment 2 Fedora Update System 2021-11-26 06:25:10 UTC
FEDORA-2021-19ad835cb3 has been submitted as an update to Fedora 35. https://bodhi.fedoraproject.org/updates/FEDORA-2021-19ad835cb3
Comment 3 Fedora Update System 2021-11-26 06:25:14 UTC
FEDORA-2021-c0dc424b7d has been submitted as an update to Fedora 34. https://bodhi.fedoraproject.org/updates/FEDORA-2021-c0dc424b7d
Comment 4 Fedora Update System 2021-11-27 01:27:10 UTC
FEDORA-2021-c0dc424b7d has been pushed to the Fedora 34 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2021-c0dc424b7d` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2021-c0dc424b7d See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 5 Fedora Update System 2021-11-27 21:58:02 UTC
FEDORA-2021-19ad835cb3 has been pushed to the Fedora 35 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2021-19ad835cb3` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2021-19ad835cb3 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 6 Fedora Update System 2021-11-30 01:11:28 UTC
FEDORA-2021-c0dc424b7d has been pushed to the Fedora 34 stable repository. If problem still persists, please make note of it in this bug report.
Comment 7 Fedora Update System 2021-11-30 01:21:50 UTC
FEDORA-2021-19ad835cb3 has been pushed to the Fedora 35 stable repository. If problem still persists, please make note of it in this bug report.