CVE-2022-50141
What it is
In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-of-esdhc: Fix refcount leak in esdhc_signal_voltage_switch of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. of_node_put() checks null pointer.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Record status
- Analyzed
Affected
- Linux Kernel < 4.14.291
- Linux Kernel < 4.19.256
- Linux Kernel < 5.4.211
- Linux Kernel < 5.10.137
- Linux Kernel < 5.15.61
- Linux Kernel < 5.18.18
- Linux Kernel < 5.19.2
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Fix and advisories
- https://git.kernel.org/stable/c/352377cf74710bc3368dddf78f17210dfe456933
- https://git.kernel.org/stable/c/4c472a2c9ed6ea9d272268d7f484d4303c549f1a
- https://git.kernel.org/stable/c/547db1dd98d1815574ebea7358015a17199a93bc
- https://git.kernel.org/stable/c/8b902840f6a3584f702bcb59834691b30f3d7c5a
- https://git.kernel.org/stable/c/a63d5d01e83b984b1b9c7ae8fc9c8c93697a3820
- https://git.kernel.org/stable/c/b074f1e8060836baeb0ee91181f4194b9a0ee16a
- https://git.kernel.org/stable/c/b305475df756256a186623f0991d05a816de881a
- https://git.kernel.org/stable/c/b5899a3e2f783a27b268e38d37f9b24c71bddf45
References
- https://git.kernel.org/stable/c/352377cf74710bc3368dddf78f17210dfe456933
- https://git.kernel.org/stable/c/4c472a2c9ed6ea9d272268d7f484d4303c549f1a
- https://git.kernel.org/stable/c/547db1dd98d1815574ebea7358015a17199a93bc
- https://git.kernel.org/stable/c/8b902840f6a3584f702bcb59834691b30f3d7c5a
- https://git.kernel.org/stable/c/a63d5d01e83b984b1b9c7ae8fc9c8c93697a3820
- https://git.kernel.org/stable/c/b074f1e8060836baeb0ee91181f4194b9a0ee16a
- https://git.kernel.org/stable/c/b305475df756256a186623f0991d05a816de881a
- https://git.kernel.org/stable/c/b5899a3e2f783a27b268e38d37f9b24c71bddf45