Unrated severityNVD Advisory· Published Feb 27, 2024· Updated May 7, 2025
md/raid1: properly indicate failure when ending a failed write request
CVE-2021-46950
Description
In the Linux kernel, the following vulnerability has been resolved:
md/raid1: properly indicate failure when ending a failed write request
This patch addresses a data corruption bug in raid1 arrays using bitmaps. Without this fix, the bitmap bits for the failed I/O end up being cleared.
Since we are in the failure leg of raid1_end_write_request, the request either needs to be retried (R1BIO_WriteError) or failed (R1BIO_Degraded).
Affected products
90- osv-coords89 versionspkg:rpm/suse/kernel-64kb&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_47&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2pkg:rpm/suse/kernel-livepatch-SLE15-SP3_Update_43&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/kernel-preempt&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_56&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 5.3.18-150300.59.158.1+ 88 more
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 5.3.18-150300.59.158.1.150300.18.92.5
- (no CPE)range: < 5.3.18-150200.24.188.1.150200.9.95.3
- (no CPE)range: < 5.3.18-150300.59.158.1.150300.18.92.5
- (no CPE)range: < 5.3.18-150300.59.158.1.150300.18.92.5
- (no CPE)range: < 5.3.18-150300.59.158.1.150300.18.92.5
- (no CPE)range: < 5.3.18-150200.24.188.1.150200.9.95.3
- (no CPE)range: < 5.3.18-150300.59.158.1.150300.18.92.5
- (no CPE)range: < 5.3.18-150200.24.188.1.150200.9.95.3
- (no CPE)range: < 5.3.18-150300.59.158.1.150300.18.92.5
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
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- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 1-150200.5.3.3
- (no CPE)range: < 1-150300.7.3.5
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-10.182.1
- (no CPE)range: < 5.3.18-150300.166.1
- (no CPE)range: < 5.3.18-150300.166.1
- (no CPE)range: < 4.12.14-10.182.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.166.1
- (no CPE)range: < 5.3.18-150300.166.1
- (no CPE)range: < 4.12.14-10.182.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 4.12.14-10.182.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 1-8.3.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- git.kernel.org/stable/c/12216d0919b64ee2ea5dc7a50e455670f44383d5mitre
- git.kernel.org/stable/c/2417b9869b81882ab90fd5ed1081a1cb2d4db1ddmitre
- git.kernel.org/stable/c/538244fba59fde17186322776247cd9c05be86ddmitre
- git.kernel.org/stable/c/59452e551784b7a57a45d971727e9db63b192515mitre
- git.kernel.org/stable/c/661061a45e32d8b2cc0e306da9f169ad44011382mitre
- git.kernel.org/stable/c/6920cef604fa57f9409e3960413e9cc11f5c5a40mitre
- git.kernel.org/stable/c/a6e17cab00fc5bf85472434c52ac751426257c6fmitre
News mentions
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