Medium severity4.0NVD Advisory· Published Mar 4, 2024· Updated Jun 17, 2026
CVE-2021-47096
CVE-2021-47096
Description
In the Linux kernel, the following vulnerability has been resolved:
ALSA: rawmidi - fix the uninitalized user_pversion
The user_pversion was uninitialized for the user space file structure in the open function, because the file private structure use kmalloc for the allocation.
The kernel ALSA sequencer code clears the file structure, so no additional fixes are required.
BugLink: https://github.com/alsa-project/alsa-lib/issues/178
Affected products
101- osv-coords99 versionspkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%20Micro%205.3pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%20Micro%205.4pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%20Micro%205.3pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%20Micro%205.4pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%20Micro%205.3pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%20Micro%205.4pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-default-base&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Manager%20Server%204.3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%20Server%204.3pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-livepatch-SLE15-SP4_Update_25&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%20Server%204.3pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%20Server%204.3pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Manager%20Server%204.3
< 5.14.21-150500.55.59.1+ 98 more
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.55.59.1.150500.6.25.7
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150400.15.76.1
- (no CPE)range: < 5.14.21-150400.15.76.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150500.55.59.1.150500.6.25.7
- (no CPE)range: < 5.14.21-150500.55.59.1.150500.6.25.7
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150400.24.116.1.150400.24.54.5
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
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- (no CPE)range: < 5.14.21-150500.55.59.1
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- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
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- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 1-150400.9.5.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150500.11.7.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150400.15.76.1
- (no CPE)range: < 5.14.21-150400.15.76.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.15.76.1
- (no CPE)range: < 5.14.21-150400.15.76.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150500.13.47.1
- (no CPE)range: < 5.14.21-150500.55.59.1
- (no CPE)range: < 5.14.21-150400.24.116.1
- (no CPE)range: < 5.14.21-150400.24.116.1
Patches
Vulnerability mechanics
References
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