Medium severity5.5NVD Advisory· Published Feb 28, 2024· Updated Jun 17, 2026
CVE-2021-47051
CVE-2021-47051
Description
In the Linux kernel, the following vulnerability has been resolved:
spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware()
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
70- osv-coords67 versionspkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_47&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-livepatch-SLE15-SP3_Update_43&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-docs&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-preempt&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/kernel-preempt&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-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/kernel-64kb&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%207.1
< 1-150200.5.3.3+ 66 more
- (no CPE)range: < 1-150200.5.3.3
- (no CPE)range: < 5.3.18-150200.24.188.1
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- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.59.158.1.150300.18.92.5
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- (no CPE)range: < 5.3.18-150300.59.158.1.150300.18.92.5
- (no CPE)range: < 5.3.18-150300.59.158.1
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- (no CPE)range: < 5.3.18-150300.59.158.1
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- (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: < 5.3.18-150200.24.188.1
- (no CPE)range: < 1-150300.7.3.5
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.59.158.1
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- (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: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150200.24.188.1.150200.9.95.3
- (no CPE)range: < 5.3.18-150300.166.1
- (no CPE)range: < 5.3.18-150300.166.1
- (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: < 5.3.18-150200.24.188.1
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- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150200.24.188.1.150200.9.95.3
- (no CPE)range: < 5.3.18-150200.24.188.1
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- (no CPE)range: < 5.3.18-150200.24.188.1.150200.9.95.3
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150200.24.188.1
- (no CPE)range: < 5.3.18-150300.166.1
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- (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
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- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.59.158.1
- (no CPE)range: < 5.3.18-150300.59.158.1.150300.18.92.5
- (no CPE)range: < 5.3.18-150300.59.158.1
- (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: < 5.3.18-150300.59.158.1
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1nvdPatch
- git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282nvdPatch
- git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7nvdPatch
- git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1nvdPatch
- git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7ccenvdPatch
News mentions
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