usb: roles: fix NULL pointer issue when put module's reference
Description
In the Linux kernel, the following vulnerability has been resolved:
usb: roles: fix NULL pointer issue when put module's reference
In current design, usb role class driver will get usb_role_switch parent's module reference after the user get usb_role_switch device and put the reference after the user put the usb_role_switch device. However, the parent device of usb_role_switch may be removed before the user put the usb_role_switch. If so, then, NULL pointer issue will be met when the user put the parent module's reference.
This will save the module pointer in structure of usb_role_switch. Then, we don't need to find module by iterating long relations.
Affected products
68- osv-coords67 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&distro=openSUSE%20Leap%2015.5pkg: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-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%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg: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%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg: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%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg: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%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_14&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg: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-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%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%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg: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-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%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg: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/kgraft-patch-SLE12-SP5_Update_56&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 5.14.21-150500.55.62.1+ 66 more
- (no CPE)range: < 5.14.21-150500.55.62.1
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2.150500.6.27.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.1
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 5.14.21-150500.55.62.1
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 5.14.21-150500.55.62.2.150500.6.27.2
- (no CPE)range: < 5.14.21-150500.55.62.2.150500.6.27.2
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 1-150500.11.5.1
- (no CPE)range: < 1-150500.11.3.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 4.12.14-10.182.1
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 4.12.14-10.182.1
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 5.14.21-150500.55.62.2
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 4.12.14-10.182.1
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 5.14.21-150500.33.48.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 4.12.14-16.182.1
- (no CPE)range: < 5.14.21-150500.55.62.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 4.12.14-122.216.1
- (no CPE)range: < 4.12.14-10.182.1
- (no CPE)range: < 5.14.21-150500.13.52.1
- (no CPE)range: < 5.14.21-150500.55.62.2
- (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
6- git.kernel.org/stable/c/0158216805ca7e498d07de38840d2732166ae5famitre
- git.kernel.org/stable/c/01f82de440f2ab07c259b7573371e1c42e5565dbmitre
- git.kernel.org/stable/c/1c9be13846c0b2abc2480602f8ef421360e1ad9emitre
- git.kernel.org/stable/c/4b45829440b1b208948b39cc71f77a37a2536734mitre
- git.kernel.org/stable/c/e279bf8e51893e1fe160b3d8126ef2dd00f661e1mitre
- git.kernel.org/stable/c/ef982fc41055fcebb361a92288d3225783d12913mitre
News mentions
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