Unrated severityNVD Advisory· Published Dec 24, 2025· Updated Apr 15, 2026
CVE-2022-50767
CVE-2022-50767
Description
In the Linux kernel, the following vulnerability has been resolved:
fbdev: smscufx: Fix several use-after-free bugs
Several types of UAFs can occur when physically removing a USB device.
Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and in this function, there is kref_put() that finally calls ufx_free().
This fix prevents multiple UAFs.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
81- osv-coords79 versionspkg:linux/kernelpkg: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%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg: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%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg: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%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4pkg: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%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-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%205.2pkg: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%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg: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%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP4_Update_48&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_34&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%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg: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-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%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg: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-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%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS
>= 3.2.0, < 4.9.332+ 78 more
- (no CPE)range: >= 3.2.0, < 4.9.332
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.3.18-150300.59.232.1.150300.18.138.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.3.18-150300.59.232.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 1-150400.9.7.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.3.18-150300.232.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150500.13.118.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.3.18-150300.232.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150500.13.118.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/3f40852d671072836fb7ae331a1f28a24223c4e8nvd
- git.kernel.org/stable/c/5385af2f89bc352fb70753ab41b2bb036190141fnvd
- git.kernel.org/stable/c/6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953fnvd
- git.kernel.org/stable/c/70faf9d9b6cc74418716bbf76fe75bd2da10ad4anvd
- git.kernel.org/stable/c/8d924b262f3178a9b17c17d4306a9f426c508bd9nvd
- git.kernel.org/stable/c/cc67482c9e5f2c80d62f623bcc347c29f9f648e1nvd
- git.kernel.org/stable/c/cc6a7249842fceda7574ceb63275a2d5e99d2862nvd
- git.kernel.org/stable/c/d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86nvd
News mentions
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