Unrated severityNVD Advisory· Published Feb 26, 2024· Updated Jan 2, 2026
HID: usbhid: fix info leak in hid_submit_ctrl
CVE-2021-46906
Description
In the Linux kernel, the following vulnerability has been resolved:
HID: usbhid: fix info leak in hid_submit_ctrl
In hid_submit_ctrl(), the way of calculating the report length doesn't take into account that report->size can be zero. When running the syzkaller reproducer, a report of size 0 causes hid_submit_ctrl) to calculate transfer_buffer_length as 16384. When this urb is passed to the usb core layer, KMSAN reports an info leak of 16384 bytes.
To fix this, first modify hid_report_len() to account for the zero report size case by using DIV_ROUND_UP for the division. Then, call it from hid_submit_ctrl().
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_46&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2pkg:rpm/suse/kernel-livepatch-SLE15-SP3_Update_42&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_54&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 5.3.18-150300.59.153.2+ 88 more
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-16.173.1
- (no CPE)range: < 4.12.14-16.173.1
- (no CPE)range: < 5.3.18-150300.59.153.2.150300.18.90.2
- (no CPE)range: < 5.3.18-150200.24.183.1.150200.9.93.2
- (no CPE)range: < 5.3.18-150300.59.153.2.150300.18.90.2
- (no CPE)range: < 5.3.18-150300.59.153.2.150300.18.90.2
- (no CPE)range: < 5.3.18-150300.59.153.2.150300.18.90.2
- (no CPE)range: < 5.3.18-150200.24.183.1.150200.9.93.2
- (no CPE)range: < 5.3.18-150300.59.153.2.150300.18.90.2
- (no CPE)range: < 5.3.18-150200.24.183.1.150200.9.93.2
- (no CPE)range: < 5.3.18-150300.59.153.2.150300.18.90.2
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 1-150200.5.3.2
- (no CPE)range: < 1-150300.7.3.2
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-122.201.2
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-10.171.1
- (no CPE)range: < 5.3.18-150300.161.1
- (no CPE)range: < 5.3.18-150300.161.1
- (no CPE)range: < 4.12.14-10.171.1
- (no CPE)range: < 4.12.14-16.173.1
- (no CPE)range: < 4.12.14-16.173.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 5.3.18-150300.161.1
- (no CPE)range: < 5.3.18-150300.161.1
- (no CPE)range: < 4.12.14-10.171.1
- (no CPE)range: < 4.12.14-16.173.1
- (no CPE)range: < 4.12.14-16.173.1
- (no CPE)range: < 5.3.18-150300.59.153.1
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.1
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.1
- (no CPE)range: < 4.12.14-122.201.1
- (no CPE)range: < 5.3.18-150200.24.183.1
- (no CPE)range: < 5.3.18-150300.59.153.1
- (no CPE)range: < 4.12.14-10.171.1
- (no CPE)range: < 5.3.18-150300.59.153.2
- (no CPE)range: < 1-8.7.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- git.kernel.org/stable/c/0e280502be1b003c3483ae03fc60dea554fcfa82mitre
- git.kernel.org/stable/c/21883bff0fd854e07429a773ff18f1e9658f50e8mitre
- git.kernel.org/stable/c/41b1e71a2c57366b08dcca1a28b0d45ca69429cemitre
- git.kernel.org/stable/c/6be388f4a35d2ce5ef7dbf635a8964a5da7f799fmitre
- git.kernel.org/stable/c/7f5a4b24cdbd7372770a02f23e347d7d9a9ac8f1mitre
- git.kernel.org/stable/c/8c064eece9a51856f3f275104520c7e3017fc5c0mitre
- git.kernel.org/stable/c/b1e3596416d74ce95cc0b7b38472329a3818f8a9mitre
- git.kernel.org/stable/c/c5d3c142f2d57d40c55e65d5622d319125a45366mitre
News mentions
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