CVE-2022-50618: mmc: meson-gx: fix return value check of mmc_add_host()
Noroxi assessment
Priority: Monitor (action score 0/100)
- 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: 0.22% (FIRST EPSS).
- Fixed version: Linux Linux 42343e3c6195e934b9cb4c08b7ff84a3778d77f9, 64b2c441171febf075bd9632aca579afda8ab9fb, 90935f16f2650ab7416fa2ffbe5c28cb39cf3f1e.
Low priority for now. Upgrade to Linux Linux 42343e3c6195e934b9cb4c08b7ff84a3778d77f9, 64b2c441171febf075bd9632aca579afda8ab9fb, 90935f16f2650ab7416fa2ffbe5c28cb39cf3f1e 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: mmc: meson-gx: fix return value check of mmc_add_host() mmc_add_host() may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmc_alloc_host() is leaked. 2. In the remove() path, mmc_remove_host() will be called to delete device, but it's not added yet, it will lead a kernel crash because of null-ptr-deref in device_del(). Fix this by checking the return value and goto error path which will call mmc_free_host().
- Published
- Dec 7, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 12th percentile
- CWE
- —
Report tools
Action score
0
Monitor
Low priority for now.
- CVSS
- 0 / 40 · —
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
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
If any of these changes, we'll tell you in the daily email digest.
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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.
We use this product, ask for helpAffected 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.
—
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
- 4.10affected
- 51c5d8447bd71b7e539c19c46a03b73c0e91fa66 and later · before f5506e0bbb25102bd8ef2e1a3b483a0b934e454eaffected · git
- 51c5d8447bd71b7e539c19c46a03b73c0e91fa66 and later · before 9e11c6bb745be4e9b325cf96031b4ea34801342daffected · git
- 51c5d8447bd71b7e539c19c46a03b73c0e91fa66 and later · before 64b2c441171febf075bd9632aca579afda8ab9fbaffected · git
- 51c5d8447bd71b7e539c19c46a03b73c0e91fa66 and later · before e0cfe7aa41f3965f5224affd88afd48c60f6ad1faffected · git
- 51c5d8447bd71b7e539c19c46a03b73c0e91fa66 and later · before 42343e3c6195e934b9cb4c08b7ff84a3778d77f9affected · git
- 51c5d8447bd71b7e539c19c46a03b73c0e91fa66 and later · before f5ce76aeddf01ca8f2a80fc37119388d59db7c10affected · git
- 51c5d8447bd71b7e539c19c46a03b73c0e91fa66 and later · before 90935f16f2650ab7416fa2ffbe5c28cb39cf3f1eaffected · git
- before 4.10not affected · semver
- 4.19.270 and later · up to and including 4.19.*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 6.1.4-1 | 6.1.4-1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-64kb | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-docs | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-obs-build | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-source | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-syms | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-64kb | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-docs | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-obs-build | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-syms | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_48 | before 1-150400.9.7.1 | 1-150400.9.7.1 |
| SUSE:Linux Enterprise Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_34 | before 1-150500.11.3.1 | 1-150500.11.3.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default-base | before 5.14.21-150400.24.194.1.150400.24.98.3 | 5.14.21-150400.24.194.1.150400.24.98.3 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-rt | before 5.14.21-150400.15.142.1 | 5.14.21-150400.15.142.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-source-rt | before 5.14.21-150400.15.142.1 | 5.14.21-150400.15.142.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default-base | before 5.14.21-150500.55.133.1.150500.6.65.1 | 5.14.21-150500.55.133.1.150500.6.65.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-rt | before 5.14.21-150500.13.118.1 | 5.14.21-150500.13.118.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-source | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-source-rt | before 5.14.21-150500.13.118.1 | 5.14.21-150500.13.118.1 |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | kernel-zfcpdump | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise Server 15 SP5-LTSS | kernel-zfcpdump | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation40Plan
- CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment40Plan
- CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()40Plan
Published before and after this one in the same product
- ← EarlierCVE-2022-50616Dec 7, 2025 · regulator: core: Use different devices for resource allocation and DT lookup0Monitor
- ← EarlierCVE-2022-50617Dec 7, 2025 · drm/amdgpu/powerplay/psm: Fix memory leak in power state init0Monitor
- Later →CVE-2022-50619Dec 7, 2025 · drm/amdkfd: Fix memory leak in kfd_mem_dmamap_userptr()0Monitor
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 | 42343e3c6195e934b9cb4c08b7ff84a3778d77f9 | Vendor (CNA) |
| Linux Linux | 64b2c441171febf075bd9632aca579afda8ab9fb | Vendor (CNA) |
| Linux Linux | 90935f16f2650ab7416fa2ffbe5c28cb39cf3f1e | Vendor (CNA) |
| Linux Linux | 9e11c6bb745be4e9b325cf96031b4ea34801342d | Vendor (CNA) |
| Linux Linux | e0cfe7aa41f3965f5224affd88afd48c60f6ad1f | Vendor (CNA) |
| Linux Linux | f5506e0bbb25102bd8ef2e1a3b483a0b934e454e | Vendor (CNA) |
| Linux Linux | f5ce76aeddf01ca8f2a80fc37119388d59db7c10 | Vendor (CNA) |
| debian:linux | 6.1.4-1 · Debian:12 | Package registry (OSV) |
| suse:kernel-64kb | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-default | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-default-base | 5.14.21-150500.55.133.1.150500.6.65.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-docs | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-livepatch-SLE15-SP4_Update_48 | 1-150400.9.7.1 · SUSE:Linux Enterprise Live Patching 15 SP4 | Package registry (OSV) |
| suse:kernel-livepatch-SLE15-SP5_Update_34 | 1-150500.11.3.1 · SUSE:Linux Enterprise Live Patching 15 SP5 | Package registry (OSV) |
| suse:kernel-obs-build | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-rt | 5.14.21-150500.13.118.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-source | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-source-rt | 5.14.21-150500.13.118.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-syms | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-zfcpdump | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise Server 15 SP5-LTSS | 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.
No history yet (it accumulates with the daily EPSS job).
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 researchersFinders, 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
No CVSS vector for this record, so attack conditions can't be derived.
Weakness class (CWE)
—
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✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (6 more)Show less
- git.kernel.org/stable/c/64b2c441171febf075bd9632aca579afda8ab9fb
- git.kernel.org/stable/c/90935f16f2650ab7416fa2ffbe5c28cb39cf3f1e
- git.kernel.org/stable/c/9e11c6bb745be4e9b325cf96031b4ea34801342d
- git.kernel.org/stable/c/e0cfe7aa41f3965f5224affd88afd48c60f6ad1f
- git.kernel.org/stable/c/f5506e0bbb25102bd8ef2e1a3b483a0b934e454e
- git.kernel.org/stable/c/f5ce76aeddf01ca8f2a80fc37119388d59db7c10
Vendor advisories and official records. Exploit/PoC links are deliberately left out.