CVE-2022-50196
What it is
In the Linux kernel, the following vulnerability has been resolved: soc: qcom: ocmem: Fix refcount leak in of_get_ocmem of_parse_phandle() 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() will check 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 < 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/07aea6819d569d1e172227486655e4fb5bd4cdb9
- https://git.kernel.org/stable/c/84a928b44cb303d5756e3bff2734921de8dce4f6
- https://git.kernel.org/stable/c/92a563fcf14b3093226fb36f12e9b5cf630c5a5d
- https://git.kernel.org/stable/c/a1e4243c0dddeafb4ace6d9906d3f5129b81a9fe
- https://git.kernel.org/stable/c/ed40a48d0a9166edb22e2b8efafea822e93dd79a
References
- https://git.kernel.org/stable/c/07aea6819d569d1e172227486655e4fb5bd4cdb9
- https://git.kernel.org/stable/c/84a928b44cb303d5756e3bff2734921de8dce4f6
- https://git.kernel.org/stable/c/92a563fcf14b3093226fb36f12e9b5cf630c5a5d
- https://git.kernel.org/stable/c/a1e4243c0dddeafb4ace6d9906d3f5129b81a9fe
- https://git.kernel.org/stable/c/ed40a48d0a9166edb22e2b8efafea822e93dd79a