CVE-2026-64279: i2c: core: fix adapter deregistration race
Noroxi assessment
Priority: Monitor (action score 31/100)
- 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: 0.13% (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 11dfa37bf544cc806f21742ca2fd2d841bd7032e, 35dbd1f1f603401155cbd3a180bb18e3a3b675b8, 9882a9bd74db08e7bae5821a7050627ae92d3380; azl3 kernel 6.6.144.1-1 on Azure Linux 3.0 6.6.145.2-1.
Low priority for now. Upgrade to Linux Linux 11dfa37bf544cc806f21742ca2fd2d841bd7032e, 35dbd1f1f603401155cbd3a180bb18e3a3b675b8, 9882a9bd74db08e7bae5821a7050627ae92d3380; azl3 kernel 6.6.144.1-1 on Azure Linux 3.0 6.6.145.2-1 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: i2c: core: fix adapter deregistration race Adapters can be looked up by their id using i2c_get_adapter() which takes a reference to the embedded struct device. Remove the adapter from the IDR before tearing it down during deregistration (and on registration failure) to make sure its resources are not accessed after having been freed (e.g. the device name).
- Published
- Jul 25, 2026
- Updated
- Nov 10, 2026
- EPSS
- 0.1% · 2th percentile
- CWE
- CWE-362
Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.1%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · Linux
- 7.8
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
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.
| 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 kernel2.6.31 and later · before 5.15.212
- linux linux kernel5.16 and later · before 6.1.178
- linux linux kernel6.2 and later · before 6.6.145
- linux linux kernel6.7 and later · before 6.12.96
- linux linux kernel6.13 and later · before 6.18.39
- linux linux kernel6.19 and later · before 7.1.4
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
- 2.6.31affected
- 35fc37f8188177e3ba3e7f99a6e3300e490e9181 and later · before d39282f552dd6c35b9b84b4af78f1198c24f3373affected · git
- 35fc37f8188177e3ba3e7f99a6e3300e490e9181 and later · before 11dfa37bf544cc806f21742ca2fd2d841bd7032eaffected · git
- 35fc37f8188177e3ba3e7f99a6e3300e490e9181 and later · before 9882a9bd74db08e7bae5821a7050627ae92d3380affected · git
- 35fc37f8188177e3ba3e7f99a6e3300e490e9181 and later · before bb234487a447a99315add1b46aa57b72e163e1ebaffected · git
- 35fc37f8188177e3ba3e7f99a6e3300e490e9181 and later · before b6d2af6fe9c1f5ec0484536753c979cbd40a8ac3affected · git
- 35fc37f8188177e3ba3e7f99a6e3300e490e9181 and later · before 35dbd1f1f603401155cbd3a180bb18e3a3b675b8affected · git
- 35fc37f8188177e3ba3e7f99a6e3300e490e9181 and later · before b1a58ed9eab146b36f41a55db8f5d7ce9fdedf3faffected · git
- before 2.6.31not affected · semver
- 5.15.212 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 6.1.180-1 | 6.1.180-1 |
| Debian:12 | linux-6.12 | before 6.12.100-1~deb12u1 | 6.12.100-1~deb12u1 |
| Debian:13 | linux | before 6.12.96-1 | 6.12.96-1 |
| Debian:14 | linux | before 7.1.4-1 | 7.1.4-1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-64kb | before 5.14.21-150400.24.243.1 | 5.14.21-150400.24.243.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-docs | before 5.14.21-150400.24.243.1 | 5.14.21-150400.24.243.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-obs-build | before 5.14.21-150400.24.243.1 | 5.14.21-150400.24.243.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-syms | before 5.14.21-150400.24.243.1 | 5.14.21-150400.24.243.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-64kb | before 5.14.21-150500.55.192.2 | 5.14.21-150500.55.192.2 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-docs | before 5.14.21-150500.55.192.1 | 5.14.21-150500.55.192.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-obs-build | before 5.14.21-150500.55.192.2 | 5.14.21-150500.55.192.2 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-syms | before 5.14.21-150500.55.192.1 | 5.14.21-150500.55.192.1 |
| SUSE:Linux Enterprise Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_60 | before 1-150400.9.3.1 | 1-150400.9.3.1 |
| SUSE:Linux Enterprise Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_46 | before 1-150500.11.3.2 | 1-150500.11.3.2 |
| SUSE:Linux Enterprise Live Patching 15 SP6 | kernel-default | before 6.4.0-150600.23.138.1 | 6.4.0-150600.23.138.1 |
| SUSE:Linux Enterprise Live Patching 15 SP6 | kernel-livepatch-SLE15-SP6_Update_32 | before 1-150600.13.3.1 | 1-150600.13.3.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default | before 5.14.21-150400.24.243.1 | 5.14.21-150400.24.243.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default-base | before 5.14.21-150400.24.243.1.150400.24.122.1 | 5.14.21-150400.24.243.1.150400.24.122.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-rt | before 5.14.21-150400.15.189.1 | 5.14.21-150400.15.189.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-source | before 5.14.21-150400.24.243.1 | 5.14.21-150400.24.243.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-source-rt | before 5.14.21-150400.15.189.1 | 5.14.21-150400.15.189.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default | before 5.14.21-150500.55.192.2 | 5.14.21-150500.55.192.2 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default-base | before 5.14.21-150500.55.192.2.150500.6.89.2 | 5.14.21-150500.55.192.2.150500.6.89.2 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-rt | before 5.14.21-150500.13.164.1 | 5.14.21-150500.13.164.1 |
+11
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV90Now
- 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
Published before and after this one in the same product
- ← EarlierCVE-2026-64276Jul 25, 2026 · Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count31Monitor
- ← EarlierCVE-2026-64277Jul 25, 2026 · Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count31Monitor
- Later →CVE-2026-64283Jul 25, 2026 · KVM: guest_memfd: Treat memslot binding offset+size as unsigned values28Monitor
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 | 11dfa37bf544cc806f21742ca2fd2d841bd7032e | Vendor (CNA) |
| Linux Linux | 35dbd1f1f603401155cbd3a180bb18e3a3b675b8 | Vendor (CNA) |
| Linux Linux | 9882a9bd74db08e7bae5821a7050627ae92d3380 | Vendor (CNA) |
| Linux Linux | b1a58ed9eab146b36f41a55db8f5d7ce9fdedf3f | Vendor (CNA) |
| Linux Linux | b6d2af6fe9c1f5ec0484536753c979cbd40a8ac3 | Vendor (CNA) |
| Linux Linux | bb234487a447a99315add1b46aa57b72e163e1eb | Vendor (CNA) |
| Linux Linux | d39282f552dd6c35b9b84b4af78f1198c24f3373 | Vendor (CNA) |
| azl3 kernel 6.6.144.1-1 on Azure Linux 3.0 | 6.6.145.2-1 · CBL-Mariner Releases | Microsoft (MSRC) |
| debian:linux | 6.1.180-1 · Debian:12 | Package registry (OSV) |
| debian:linux-6.12 | 6.12.100-1~deb12u1 · Debian:12 | Package registry (OSV) |
| suse:kernel-64kb | 6.4.0-150600.23.138.1 · SUSE:Linux Enterprise Server 15 SP6-LTSS | Package registry (OSV) |
| suse:kernel-default | 6.4.0-150600.23.138.1 · SUSE:Linux Enterprise Live Patching 15 SP6 | Package registry (OSV) |
| suse:kernel-default-base | 6.4.0-150600.23.138.1.150600.12.64.1 · SUSE:Linux Enterprise Server 15 SP6-LTSS | Package registry (OSV) |
| suse:kernel-docs | 6.4.0-150600.23.138.1 · SUSE:Linux Enterprise Server 15 SP6-LTSS | Package registry (OSV) |
| suse:kernel-livepatch-SLE15-SP4_Update_60 | 1-150400.9.3.1 · SUSE:Linux Enterprise Live Patching 15 SP4 | Package registry (OSV) |
| suse:kernel-livepatch-SLE15-SP5_Update_46 | 1-150500.11.3.2 · SUSE:Linux Enterprise Live Patching 15 SP5 | Package registry (OSV) |
| suse:kernel-livepatch-SLE15-SP6_Update_32 | 1-150600.13.3.1 · SUSE:Linux Enterprise Live Patching 15 SP6 | Package registry (OSV) |
| suse:kernel-obs-build | 6.4.0-150600.23.138.1 · SUSE:Linux Enterprise Server 15 SP6-LTSS | Package registry (OSV) |
| suse:kernel-rt | 5.14.21-150500.13.164.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-source | 6.4.0-150600.23.138.1 · SUSE:Linux Enterprise Server 15 SP6-LTSS | Package registry (OSV) |
| suse:kernel-source-rt | 5.14.21-150500.13.164.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-syms | 6.4.0-150600.23.138.1 · SUSE:Linux Enterprise Server 15 SP6-LTSS | Package registry (OSV) |
| suse:kernel-zfcpdump | 6.4.0-150600.23.138.1 · SUSE:Linux Enterprise Server 15 SP6-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.
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
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Change log
- SSVC exploitation— → none
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (8 more)Show less
- git.kernel.org/stable/c/35dbd1f1f603401155cbd3a180bb18e3a3b675b8
- git.kernel.org/stable/c/9882a9bd74db08e7bae5821a7050627ae92d3380
- git.kernel.org/stable/c/b1a58ed9eab146b36f41a55db8f5d7ce9fdedf3f
- git.kernel.org/stable/c/b6d2af6fe9c1f5ec0484536753c979cbd40a8ac3
- git.kernel.org/stable/c/bb234487a447a99315add1b46aa57b72e163e1eb
- git.kernel.org/stable/c/d39282f552dd6c35b9b84b4af78f1198c24f3373
- cert-portal.siemens.com/productcert/html/ssa-019113.html
- cert-portal.siemens.com/productcert/html/ssa-457936.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.