net: dsa: mv88e6060: prevent crash on an unused port
In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6060: prevent crash on an unused port If the port isn't a CPU port nor a user port, 'cpu_dp' is a null pointer and a crash happened on dereferencing it in mv88e6060_setup_port(): [ 9.575872] Unable to handle kernel NULL pointer dereference at virtual address 00000014 ... [ 9.942216] mv88e6060_setup from dsa_register_switch+0x814/0xe84 [ 9.948616] dsa_register_switch from mdio_probe+0x2c/0x54 [ 9.954433] mdio_probe from really_probe.part.0+0x98/0x2a0 [ 9.960375] really_probe.part.0 from driver_probe_device+0x30/0x10c [ 9.967029] driver_probe_device from __device_attach_driver+0xb8/0x13c [ 9.973946] __device_attach_driver from bus_for_each_drv+0x90/0xe0 [ 9.980509] bus_for_each_drv from __device_attach+0x110/0x184 [ 9.986632] __device_attach from bus_probe_device+0x8c/0x94 [ 9.992577] bus_probe_device from deferred_probe_work_func+0x78/0xa8 [ 9.999311] deferred_probe_work_func from process_one_work+0x290/0x73c [ 10.006292] process_one_work from worker_thread+0x30/0x4b8 [ 10.012155] worker_thread from kthread+0xd4/0x10c [ 10.017238] kthread from ret_from_fork+0x14/0x3c
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Jun 18, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 8th percentile
- CWE
- CWE-476
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Report tools
Action score
22
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
Affected systems
| 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 kernel4.15 and later · before 5.4.211
- linux linux kernel5.5 and later · before 5.10.138
- linux linux kernel5.11 and later · before 5.15.63
- linux linux kernel5.16 and later · before 5.19.4
- linux linux kernel6.0
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
- 4.15affected
- 0abfd494deefdbab66ac03c1181a614285e7d90c and later · before cb1753bc689c7a7f94da6eee7efc1ae6d8abb36caffected · git
- 0abfd494deefdbab66ac03c1181a614285e7d90c and later · before 92dc64e8f591425ce4dabf7d479ebf6e67fb8853affected · git
- 0abfd494deefdbab66ac03c1181a614285e7d90c and later · before dd236b62d25e44ecfa26b0910a12f8d8251aff00affected · git
- 0abfd494deefdbab66ac03c1181a614285e7d90c and later · before f3a4b55829617cad2d36fa6524367ef629566ba6affected · git
- 0abfd494deefdbab66ac03c1181a614285e7d90c and later · before 246bbf2f977ea36aaf41f5d24370fef433250728affected · git
- before 4.15not affected · semver
- 5.4.211 and later · up to and including 5.4.*not affected · semver
- 5.10.138 and later · up to and including 5.10.*not affected · semver
- 5.15.63 and later · up to and including 5.15.*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 6.0.2-1 | 6.0.2-1 |
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- 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 KEV89Now
- CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV85Now
- CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV83Now
- CVE-2019-13272In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to creKEV77This week
- CVE-2013-6282The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addKEV77This week
- CVE-2013-2094The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows loKEV77This week
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 | 246bbf2f977ea36aaf41f5d24370fef433250728 | Vendor (CNA) |
| Linux Linux | 92dc64e8f591425ce4dabf7d479ebf6e67fb8853 | Vendor (CNA) |
| Linux Linux | cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c | Vendor (CNA) |
| Linux Linux | dd236b62d25e44ecfa26b0910a12f8d8251aff00 | Vendor (CNA) |
| Linux Linux | f3a4b55829617cad2d36fa6524367ef629566ba6 | Vendor (CNA) |
| debian:linux | 6.0.2-1 · 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.
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 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
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)
CWE-476 · NULL Pointer DereferenceCVSS 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✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- git.kernel.org/stable/c/246bbf2f977ea36aaf41f5d24370fef433250728
- git.kernel.org/stable/c/92dc64e8f591425ce4dabf7d479ebf6e67fb8853
- git.kernel.org/stable/c/cb1753bc689c7a7f94da6eee7efc1ae6d8abb36c
- git.kernel.org/stable/c/dd236b62d25e44ecfa26b0910a12f8d8251aff00
- git.kernel.org/stable/c/f3a4b55829617cad2d36fa6524367ef629566ba6
Vendor advisories and official records. Exploit/PoC links are deliberately left out.