CVE-2022-50199
What it is
In the Linux kernel, the following vulnerability has been resolved: ARM: OMAP2+: Fix refcount leak in omapdss_init_of omapdss_find_dss_of_node() calls of_find_compatible_node() to get device node. of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() in later error path and normal path.
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 < 5.4.211
- Linux Kernel < 5.10.137
- Linux Kernel < 5.15.61
- Linux Kernel < 5.18.18
- Linux Kernel < 5.19.2
- Linux Kernel 4.20
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/14bac0c7035bf920e190a63c7e1b113c72eadbf4
- https://git.kernel.org/stable/c/230ad40a59c9a9ee8f3822b9a7bec09404102ebc
- https://git.kernel.org/stable/c/507159facf002d113c4878fec67f37d62f187887
- https://git.kernel.org/stable/c/935035cf97c8cd6794044b500fb0a44a6d30ffa1
- https://git.kernel.org/stable/c/9705db1eff38d6b9114121f9e253746199b759c9
- https://git.kernel.org/stable/c/a32dc6829e33c54e751346aa3e08ddb6d0e1a6a0
References
- https://git.kernel.org/stable/c/14bac0c7035bf920e190a63c7e1b113c72eadbf4
- https://git.kernel.org/stable/c/230ad40a59c9a9ee8f3822b9a7bec09404102ebc
- https://git.kernel.org/stable/c/507159facf002d113c4878fec67f37d62f187887
- https://git.kernel.org/stable/c/935035cf97c8cd6794044b500fb0a44a6d30ffa1
- https://git.kernel.org/stable/c/9705db1eff38d6b9114121f9e253746199b759c9
- https://git.kernel.org/stable/c/a32dc6829e33c54e751346aa3e08ddb6d0e1a6a0