Local service interruption via unreleased device-node references
Published Jun 18, 2025 · Updated May 11, 2026
Reference-count leakage in ARM OMAP display initialization in the Linux kernel allows local users to exhaust kernel memory. omapdss_find_dss_of_node() obtains a refcounted device-tree node from of_find_compatible_node(), but omapdss_init_of() omits of_node_put() on its normal and later error paths. Reachability requires an affected ARM OMAP configuration and local low-privileged access; sustained leakage can interrupt service without disclosing or modifying data.
Summary
What happened
Reference-count leakage in ARM OMAP display initialization in the Linux kernel allows local users to exhaust kernel memory. omapdss_find_dss_of_node() obtains a refcounted device-tree node from of_find_compatible_node(), but omapdss_init_of() omits of_node_put() on its normal and later error paths. Reachability requires an affected ARM OMAP configuration and local low-privileged access; sustained leakage can interrupt service without disclosing or modifying data.
The record
- CVE
- CVE-2022-50199
- Published
- Jun 18, 2025
- Updated
- May 11, 2026
- Vendor
- The Linux Kernel Organization
- Product
- Linux
- Classifications
- Unavailable
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 18, 2025CVE publishedPublication date reported by the CVE source.
- May 11, 2026Record updatedLatest update available in the CVE record.
Exploitability
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- Affected versionversion=4.20
- Affected versionversion=e0c827aca0730b51f38081aa4e8ecf0912aab55f <14bac0c7035bf920e190a63c7e1b113c72eadbf4
- Affected versionversion=e0c827aca0730b51f38081aa4e8ecf0912aab55f <230ad40a59c9a9ee8f3822b9a7bec09404102ebc
- Affected versionversion=e0c827aca0730b51f38081aa4e8ecf0912aab55f <507159facf002d113c4878fec67f37d62f187887
- Affected versionversion=e0c827aca0730b51f38081aa4e8ecf0912aab55f <935035cf97c8cd6794044b500fb0a44a6d30ffa1
- Affected versionversion=e0c827aca0730b51f38081aa4e8ecf0912aab55f <9705db1eff38d6b9114121f9e253746199b759c9
- Affected versionversion=e0c827aca0730b51f38081aa4e8ecf0912aab55f <a32dc6829e33c54e751346aa3e08ddb6d0e1a6a0
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
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Technologies
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