Non-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an authorized user to potentially enable
Non-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
- BDU:2022-01511
- DSA-5095-1
- openSUSE-SU-2022:0755-1
- openSUSE-SU-2022:0760-1
- openSUSE-SU-2022:0768-1
- openSUSE-SU-2022:0940-1
- SUSE-SU-2022:0755-1
- SUSE-SU-2022:0756-1
- SUSE-SU-2022:0757-1
- SUSE-SU-2022:0759-1
- SUSE-SU-2022:0760-1
- SUSE-SU-2022:0761-1
- SUSE-SU-2022:0762-1
- SUSE-SU-2022:0763-1
- SUSE-SU-2022:0764-1
- SUSE-SU-2022:0765-1
- SUSE-SU-2022:0766-1
- SUSE-SU-2022:0767-1
- SUSE-SU-2022:0768-1
- SUSE-SU-2022:0931-1
- Published
- Mar 11, 2022
- Updated
- Jun 17, 2026
- EPSS
- 0.5% · 37th percentile
- CWE
- —
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| intel | atom c3308 | cpe:2.3:h:intel:atom_c3308 |
| intel | atom c3336 | cpe:2.3:h:intel:atom_c3336 |
| intel | atom c3338 | cpe:2.3:h:intel:atom_c3338 |
| intel | atom c3338r | cpe:2.3:h:intel:atom_c3338r |
| intel | atom c3436l | cpe:2.3:h:intel:atom_c3436l |
| intel | atom c3508 | cpe:2.3:h:intel:atom_c3508 |
| intel | atom c3538 | cpe:2.3:h:intel:atom_c3538 |
| intel | atom c3558 | cpe:2.3:h:intel:atom_c3558 |
| intel | atom c3558r | cpe:2.3:h:intel:atom_c3558r |
| intel | atom c3558rc | cpe:2.3:h:intel:atom_c3558rc |
| intel | atom c3708 | cpe:2.3:h:intel:atom_c3708 |
| intel | atom c3750 | cpe:2.3:h:intel:atom_c3750 |
and 188 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- intel atom c3308all versions
- intel atom c3336all versions
- intel atom c3338all versions
- intel atom c3338rall versions
- intel atom c3436lall versions
- intel atom c3508all versions
- intel atom c3538all versions
- intel atom c3558all versions
- intel atom c3558rall versions
- intel atom c3558rcall versions
- intel atom c3708all versions
- intel atom c3750all versions
- intel atom c3758all versions
- intel atom c3758rall versions
- intel atom c3808all versions
- intel atom c3830all versions
- intel atom c3850all versions
- intel atom c3858all versions
- intel atom c3950all versions
- intel atom c3955all versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (intel). Independent of NVD's CPE analysis and usually ahead of it.
n/a Intel(R) Processors
- See referencesaffected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:11 | linux | before 5.10.103-1 | 5.10.103-1 |
| Debian:12 | linux | before 5.16.12-1 | 5.16.12-1 |
| openSUSE:Leap 15.3 | dtb-aarch64 | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-64kb | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-azure | before 5.3.18-150300.38.47.1 | 5.3.18-150300.38.47.1 |
| openSUSE:Leap 15.3 | kernel-debug | before 4.12.14-197.108.1 | 4.12.14-197.108.1 |
| openSUSE:Leap 15.3 | kernel-debug | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-default | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-default | before 4.12.14-197.108.1 | 4.12.14-197.108.1 |
| openSUSE:Leap 15.3 | kernel-default-base | before 5.3.18-150300.59.54.1.150300.18.35.3 | 5.3.18-150300.59.54.1.150300.18.35.3 |
| openSUSE:Leap 15.3 | kernel-docs | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-kvmsmall | before 4.12.14-197.108.1 | 4.12.14-197.108.1 |
| openSUSE:Leap 15.3 | kernel-kvmsmall | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-obs-build | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-obs-qa | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-preempt | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-source | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-source-azure | before 5.3.18-150300.38.47.1 | 5.3.18-150300.38.47.1 |
| openSUSE:Leap 15.3 | kernel-syms | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | kernel-syms-azure | before 5.3.18-150300.38.47.1 | 5.3.18-150300.38.47.1 |
| openSUSE:Leap 15.3 | kernel-vanilla | before 4.12.14-197.108.1 | 4.12.14-197.108.1 |
| openSUSE:Leap 15.3 | kernel-zfcpdump | before 4.12.14-197.108.1 | 4.12.14-197.108.1 |
| openSUSE:Leap 15.3 | kernel-zfcpdump | before 5.3.18-150300.59.54.1 | 5.3.18-150300.59.54.1 |
| openSUSE:Leap 15.3 | xen | before 4.14.4_02-150300.3.21.1 | 4.14.4_02-150300.3.21.1 |
+91
Same product
intel: all recordsOther highest-scoring records for the same primary product.
- CVE-2021-0099Insufficient control flow management in the firmware for some Intel(R) Processors may allow an authenticated user to potentially enable an e31Monitor
- CVE-2021-0091Improper access control in the firmware for some Intel(R) Processors may allow an unauthenticated user to potentially enable an escalation o31Monitor
- CVE-2021-0115Buffer overflow in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via l26Monitor
- CVE-2021-0111NULL pointer dereference in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of pri26Monitor
- CVE-2021-0107Unchecked return value in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privileg26Monitor
- CVE-2021-0103Insufficient control flow management in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escal26Monitor
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 |
|---|---|---|
| debian:linux | 5.16.12-1 · Debian:12 | Package registry (OSV) |
| opensuse:dtb-aarch64 | 5.3.18-150300.59.54.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-64kb | 5.3.18-150300.59.54.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-azure | 5.3.18-150300.38.47.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-debug | 5.3.18-150300.59.54.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-default | 5.3.18-150300.59.54.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-default-base | 5.3.18-150300.59.54.1.150300.18.35.3 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-docs | 5.3.18-150300.59.54.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-kvmsmall | 5.3.18-150300.59.54.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-obs-build | 5.3.18-150300.59.54.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-obs-qa | 5.3.18-150300.59.54.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-source-azure | 5.3.18-150300.38.47.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| opensuse:kernel-syms-azure | 5.3.18-150300.38.47.1 · openSUSE:Leap 15.3 | Package registry (OSV) |
| suse:kernel-azure | 5.3.18-150300.38.47.1 · SUSE:Linux Enterprise Module for Public Cloud 15 SP3 | Package registry (OSV) |
| suse:kernel-default | 4.4.121-92.169.1 · SUSE:Linux Enterprise Server 12 SP2-BCL | Package registry (OSV) |
| suse:kernel-default-base | 5.3.18-24.107.1.9.50.2 · SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS | Package registry (OSV) |
| suse:kernel-docs | 5.3.18-24.107.1 · SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS | Package registry (OSV) |
| suse:kernel-livepatch-SLE15-SP2_Update_25 | 1-5.5.1 · SUSE:Linux Enterprise Live Patching 15 SP2 | Package registry (OSV) |
| suse:kernel-obs-build | 5.3.18-24.107.1 · SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS | Package registry (OSV) |
| suse:kernel-preempt | 5.3.18-24.107.1 · SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS | Package registry (OSV) |
| suse:kernel-source | 4.4.121-92.169.1 · SUSE:Linux Enterprise Server 12 SP2-BCL | Package registry (OSV) |
| suse:kernel-source-azure | 5.3.18-150300.38.47.1 · SUSE:Linux Enterprise Module for Public Cloud 15 SP3 | Package registry (OSV) |
| suse:kernel-syms | 4.4.121-92.169.1 · SUSE:Linux Enterprise Server 12 SP2-BCL | Package registry (OSV) |
| suse:kernel-syms-azure | 5.3.18-150300.38.47.1 · SUSE:Linux Enterprise Module for Public Cloud 15 SP3 | Package registry (OSV) |
| suse:kgraft-patch-SLE12-SP4_Update_25 | 1-6.5.1 · SUSE:Linux Enterprise Live Patching 12 SP4 | 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
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
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
- none
- Availability
- none
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
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.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; 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 helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- www.openwall.com/lists/oss-security/2022/03/18/2
- security.netapp.com/advisory/ntap-20220818-0004/
- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00598.html
- www.oracle.com/security-alerts/cpujul2022.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.