Unauthorized error injection in Intel(R) SGX or Intel(R) TDX for some Intel(R) Xeon(R) Processors may allow a privileged user to potentially
Unauthorized error injection in Intel(R) SGX or Intel(R) TDX for some Intel(R) Xeon(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
- Published
- Aug 10, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.3% · 18th percentile
- CWE
- CWE-1334
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.7 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 6.7
- CNA · intel
- 7.2
- 0.5 point gap
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:H/A:H
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| intel | xeon d-2738 | cpe:2.3:h:intel:xeon_d-2738 |
| intel | xeon gold 5315y firmware | cpe:2.3:o:intel:xeon_gold_5315y_firmware |
| intel | xeon gold 5315y | cpe:2.3:h:intel:xeon_gold_5315y |
| intel | xeon gold 5317 firmware | cpe:2.3:o:intel:xeon_gold_5317_firmware |
| intel | xeon gold 5317 | cpe:2.3:h:intel:xeon_gold_5317 |
| intel | xeon gold 5318n firmware | cpe:2.3:o:intel:xeon_gold_5318n_firmware |
| intel | xeon gold 5318n | cpe:2.3:h:intel:xeon_gold_5318n |
| intel | xeon gold 5318s firmware | cpe:2.3:o:intel:xeon_gold_5318s_firmware |
| intel | xeon gold 5318s | cpe:2.3:h:intel:xeon_gold_5318s |
| intel | xeon gold 5318y firmware | cpe:2.3:o:intel:xeon_gold_5318y_firmware |
| intel | xeon gold 5318y | cpe:2.3:h:intel:xeon_gold_5318y |
| intel | xeon gold 5320 firmware | cpe:2.3:o:intel:xeon_gold_5320_firmware |
and 188 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- debian debian linux11.0
- debian debian linux12.0
- fedoraproject fedora38
- intel xeon bronze 3408u firmwareall versions
- intel xeon d-1513n firmwareall versions
- intel xeon d-1518 firmwareall versions
- intel xeon d-1520 firmwareall versions
- intel xeon d-1521 firmwareall versions
- intel xeon d-1523n firmwareall versions
- intel xeon d-1527 firmwareall versions
- intel xeon d-1528 firmwareall versions
- intel xeon d-1529 firmwareall versions
- intel xeon d-1531 firmwareall versions
- intel xeon d-1533n firmwareall versions
- intel xeon d-1537 firmwareall versions
- intel xeon d-1539 firmwareall versions
- intel xeon d-1540 firmwareall versions
- intel xeon d-1541 firmwareall versions
- intel xeon d-1543n firmwareall versions
- intel xeon d-1548 firmwareall 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) Xeon(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 |
|---|---|---|---|
| Alpine:v3.15 | intel-ucode | before 20230808-r0 | 20230808-r0 |
| Debian:10 | intel-microcode | before 3.20230808.1~deb10u1 | 3.20230808.1~deb10u1 |
| Debian:11 | intel-microcode | before 3.20230808.1~deb11u1 | 3.20230808.1~deb11u1 |
| Debian:12 | intel-microcode | before 3.20230808.1~deb12u1 | 3.20230808.1~deb12u1 |
| Debian:13 | intel-microcode | before 3.20230808.1 | 3.20230808.1 |
| openSUSE:Tumbleweed | ucode-intel | before 20230808-1.1 | 20230808-1.1 |
| Red Hat:enterprise_linux:7::client | microcode_ctl | before 2:2.1-73.19.el7_9 | 2:2.1-73.19.el7_9 |
| Red Hat:enterprise_linux:7::client | microcode_ctl-debuginfo | before 2:2.1-73.19.el7_9 | 2:2.1-73.19.el7_9 |
| Red Hat:enterprise_linux:8::baseos | microcode_ctl | before 4:20220809-2.20230808.2.el8_8 | 4:20220809-2.20230808.2.el8_8 |
| Red Hat:enterprise_linux:9::baseos | microcode_ctl | before 4:20220809-2.20230808.2.el9_2 | 4:20220809-2.20230808.2.el9_2 |
| SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | ucode-intel | before 20230808-150100.3.223.1 | 20230808-150100.3.223.1 |
| SUSE:Linux Enterprise Micro 5.3 | ucode-intel | before 20230808-150200.27.1 | 20230808-150200.27.1 |
| SUSE:Linux Enterprise Micro 5.3 | ucode-intel | before 20230808-150200.27.1 | 20230808-150200.27.1 |
| SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | microcode_ctl | before 1.17-102.83.81.1 | 1.17-102.83.81.1 |
| SUSE:Linux Enterprise Server 12 SP2-BCL | ucode-intel | before 20230808-13.110.1 | 20230808-13.110.1 |
| SUSE:Linux Enterprise Server 12 SP5 | ucode-intel | before 20230808-123.1 | 20230808-123.1 |
Same product
intel: all recordsOther highest-scoring records for the same primary product.
- CVE-2021-33060Out-of-bounds write in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of pr31Monitor
- CVE-2022-21216Insufficient granularity of access control in out-of-band management in some Intel(R) Atom and Intel Xeon Scalable Processors may allow a pr27Monitor
- CVE-2022-33196Incorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Gua26Monitor
- CVE-2022-30539Use after free in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege v26Monitor
- CVE-2022-38090Improper isolation of shared resources in some Intel(R) Processors when using Intel(R) Software Guard Extensions may allow a privileged user17Monitor
- CVE-2022-33972Incorrect calculation in microcode keying mechanism for some 3rd Generation Intel(R) Xeon(R) Scalable Processors may allow a privileged user17Monitor
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 |
|---|---|---|
| alpine:intel-ucode | 20230808-r0 · Alpine:v3.15 | Package registry (OSV) |
| debian:intel-microcode | 3.20230808.1~deb12u1 · Debian:12 | Package registry (OSV) |
| opensuse:ucode-intel | 20230808-150200.27.1 · openSUSE:Leap Micro 5.3 | Package registry (OSV) |
| red hat:microcode_ctl | 2:2.1-73.19.el7_9 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:microcode_ctl-debuginfo | 2:2.1-73.19.el7_9 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| suse:microcode_ctl | 1.17-102.83.81.1 · SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | Package registry (OSV) |
| suse:ucode-intel | 20230808-13.110.1 · SUSE:Linux Enterprise Server 12 SP2-BCL | Package registry (OSV) |
| suse:ucode-intel | 20230808-150200.27.1 · SUSE:Linux Enterprise Micro 5.3 | 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.
- Administrator privileges are required.
- 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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-1334 · Unauthorized Error Injection Can Degrade Hardware RedundancyCVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/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.
Attack patterns (CAPEC)
ATT&CK techniques
—
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.intel.com/content/www/us/en/security-center/advisory/intel-sa-00837.html
- lists.debian.org/debian-lts-announce/2023/08/msg00026.html
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKREYYTWUY7ZDNIB2N6H5BUJ3LE5VZPE/
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OL7WI2TJCWSZIQP2RIOLWHOKLM25M44J/
- security.netapp.com/advisory/ntap-20230915-0003/
- www.debian.org/security/2023/dsa-5474
Vendor advisories and official records. Exploit/PoC links are deliberately left out.