NVD / CVE Program· CNA Linux

CVE-2022-50429: memory: of: Fix refcount leak bug in of_lpddr3_get_ddr_timings()

Noroxi assessment

Priority: Monitor (action score 22/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 0.15% (FIRST EPSS).
Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
Fixed version: Linux Linux 1d312c12c91f831fcc48623c921f2d4560edb159, 3b321bf7687968a090cf6b62bd8e67d692f59a16, 48af14fb0eaa63d9aa68f59fb0b205ec55a95636.

Low priority for now. Upgrade to Linux Linux 1d312c12c91f831fcc48623c921f2d4560edb159, 3b321bf7687968a090cf6b62bd8e67d692f59a16, 48af14fb0eaa63d9aa68f59fb0b205ec55a95636 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: memory: of: Fix refcount leak bug in of_lpddr3_get_ddr_timings() We should add the of_node_put() when breaking out of for_each_child_of_node() as it will automatically increase and decrease the refcount.

MediumCVSS 5.5 · v3.1—No exploit Fix available

Denial of service

BDU:2026-05858

Published: Oct 1, 2025
Updated: Jun 17, 2026
EPSS: 0.1% · 5th percentile
CWE: —

Report tools

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Action score

Monitor

Low priority for now.

CVSS: 22 / 40 · 5.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.1%

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
A fix has been released

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
linux	linux kernel	cpe:2.3:o:linux:linux_kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

linux linux kernel5.5 and later · before 5.10.150
linux linux kernel5.11 and later · before 5.15.75
linux linux kernel5.16 and later · before 5.19.17
linux linux kernel6.0 and later · before 6.0.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

Linux Linux
- 5.5affected
- 976897dd96db94c74209d0a0671d7a73aa02fab9 and later · before 1d312c12c91f831fcc48623c921f2d4560edb159affected · git
- 976897dd96db94c74209d0a0671d7a73aa02fab9 and later · before 7e053784c4c70df28324106d476778be7a4519b3affected · git
- 976897dd96db94c74209d0a0671d7a73aa02fab9 and later · before daab421fc2dc7d6ae7eb20a3f565ae09652c68b9affected · git
- 976897dd96db94c74209d0a0671d7a73aa02fab9 and later · before 3b321bf7687968a090cf6b62bd8e67d692f59a16affected · git
- 976897dd96db94c74209d0a0671d7a73aa02fab9 and later · before 48af14fb0eaa63d9aa68f59fb0b205ec55a95636affected · git
- before 5.5not affected · semver
- 5.10.150 and later · up to and including 5.10.*not affected · semver
- 5.15.75 and later · up to and including 5.15.*not affected · semver
- 5.19.17 and later · up to and including 5.19.*not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Ecosystem	Package	Affected range	Fix
Debian:12	linux	before 6.0.3-1	6.0.3-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
90Now
CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
89Now
CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
85Now

Published before and after this one in the same product

← EarlierCVE-2022-50428Oct 1, 2025 · ext4: fix off-by-one errors in fast-commit block filling
22Monitor
← EarlierCVE-2025-39914Oct 1, 2025 · tracing: Silence warning when chunk allocation fails in trace_pid_write
22Monitor
Later →CVE-2025-39915Oct 1, 2025 · net: phy: transfer phy_config_inband() locking responsibility to phylink
22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
Linux Linux	1d312c12c91f831fcc48623c921f2d4560edb159	Vendor (CNA)
Linux Linux	3b321bf7687968a090cf6b62bd8e67d692f59a16	Vendor (CNA)
Linux Linux	48af14fb0eaa63d9aa68f59fb0b205ec55a95636	Vendor (CNA)
Linux Linux	7e053784c4c70df28324106d476778be7a4519b3	Vendor (CNA)
Linux Linux	daab421fc2dc7d6ae7eb20a3f565ae09652c68b9	Vendor (CNA)
debian:linux	6.0.3-1 · Debian:12	Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Someone with local access to the system can trigger it.
A low-privileged account is enough.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: none
Integrity: none
Availability: high · the service can be disrupted

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: None
Availability impact: High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

Fix✗ → ✓Sep 28, 2026, 10:11 PM UTC

For records you follow, these changes also arrive as notifications. →

References

git.kernel.org/stable/c/1d312c12c91f831fcc48623c921f2d4560edb159

Show all references (4 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records