usb: typec: tcpm: Check for port partner validity before consuming it
Description
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: tcpm: Check for port partner validity before consuming it
typec_register_partner() does not guarantee partner registration to always succeed. In the event of failure, port->partner is set to the error value or NULL. Given that port->partner validity is not checked, this results in the following crash:
Unable to handle kernel NULL pointer dereference at virtual address xx pc : run_state_machine+0x1bc8/0x1c08 lr : run_state_machine+0x1b90/0x1c08 .. Call trace: run_state_machine+0x1bc8/0x1c08 tcpm_state_machine_work+0x94/0xe4 kthread_worker_fn+0x118/0x328 kthread+0x1d0/0x23c ret_from_fork+0x10/0x20
To prevent the crash, check for port->partner validity before derefencing it in all the call sites.
Affected products
97- osv-coords96 versionspkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg: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%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg: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%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_5&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_5&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_16&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_15&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6
< 5.14.21-150500.55.68.1+ 95 more
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1.150500.6.31.1
- (no CPE)range: < 6.4.0-150600.23.7.3.150600.12.2.7
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.4
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.2
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 5.14.21-150500.55.68.1.150500.6.31.1
- (no CPE)range: < 5.14.21-150500.55.68.1.150500.6.31.1
- (no CPE)range: < 6.4.0-150600.23.7.3.150600.12.2.7
- (no CPE)range: < 6.4.0-17.1.1.51
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.4
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 1-1.1
- (no CPE)range: < 1-1.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150600.1.5.1
- (no CPE)range: < 1-150600.13.3.7
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-9.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.4
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.2
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.2
- (no CPE)range: < 6.4.0-18.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-9.1
- (no CPE)range: < 6.4.0-25.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.33.57.1
- (no CPE)range: < 6.4.0-150600.8.5.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.1
- (no CPE)range: < 5.14.21-150500.13.58.1
- (no CPE)range: < 6.4.0-150600.10.5.1
- (no CPE)range: < 5.14.21-150500.55.68.1
- (no CPE)range: < 6.4.0-150600.23.7.3
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- git.kernel.org/stable/c/2a07e6f0ad8a6e504a3912cfe8dc859b7d0740a5mitre
- git.kernel.org/stable/c/789326cafbd1f67f424436b6bc8bdb887a364637mitre
- git.kernel.org/stable/c/ae11f04b452b5205536e1c02d31f8045eba249ddmitre
- git.kernel.org/stable/c/d56d2ca03cc22123fd7626967d096d8661324e57mitre
- git.kernel.org/stable/c/fc2b655cb6dd2b381f1f284989721002e39b6b77mitre
News mentions
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