Indirect branch predictor vulnerability in Intel processors



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2024-43420
CVE-2025-20623
CVE-2024-45332
CWE-ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
Intel Pentium Processor Silver Series
Hardware solutions / Firmware

Intel Celeron Processor J Series
Hardware solutions / Firmware

Intel Celeron Processor N Series
Hardware solutions / Firmware

10th Generation Intel Core Processors
Hardware solutions / Firmware

12th Generation Intel Core Processors
Hardware solutions / Firmware

Intel Pentium Gold Processor Series
Hardware solutions / Firmware

Intel Celeron Processors
Hardware solutions / Firmware

2nd Generation Intel Xeon Scalable Processors
Hardware solutions / Firmware

Intel Xeon E Processors
Hardware solutions / Firmware

3rd Generation Intel Xeon Scalable Processors
Hardware solutions / Firmware

Intel Core Ultra family
Hardware solutions / Firmware

13th Generation Intel Core Processors
Hardware solutions / Firmware

14th Generation Intel Core Processors
Hardware solutions / Firmware

Intel Pentium Processor G7400/G7400T
Hardware solutions / Firmware

11th Generation Intel Core Processors
Hardware solutions / Firmware

Intel Core i7-11700
Hardware solutions / Firmware

Intel Core i7-11700T
Hardware solutions / Firmware

Intel Core i5-11400T
Hardware solutions / Firmware

Intel Core i5-11400
Hardware solutions / Firmware

Intel Core i5-11500T
Hardware solutions / Firmware

Intel Core i5-11500
Hardware solutions / Firmware

3rd Intel Xeon E processor family
Hardware solutions / Firmware

4th Generation Intel Xeon Scalable Processors
Hardware solutions / Firmware

5th Generation Intel Xeon Scalable processors
Hardware solutions / Firmware

8th Generation Intel Core Processors
Hardware solutions / Firmware

Intel Core Ultra 5
Hardware solutions / Firmware

Intel Core Ultra 7
Hardware solutions / Firmware

Intel Core Ultra 9
Hardware solutions / Firmware

9th Generation Intel Core Processors
Client/Desktop applications / Web browsers

13th Generation Intel Core i7 processors
Hardware solutions / Other hardware appliances

Intel Atom Processors P6000
Hardware solutions / Other hardware appliances

Intel Xeon 6 processor family
Hardware solutions / Other hardware appliances

Vendor Intel

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU109423

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-43420

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to shared microarchitectural predictor state that influences transient execution. A local user can gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Intel Pentium Processor Silver Series: All versions

Intel Celeron Processor J Series: All versions

Intel Celeron Processor N Series: All versions

CPE2.3 External links

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU109424

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-20623

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to shared microarchitectural predictor state that influences transient execution. A local user can gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

10th Generation Intel Core Processors: All versions

CPE2.3 External links

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Information disclosure

EUVDB-ID: #VU109425

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-45332

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to shared microarchitectural predictor state that influences transient execution. A local user can gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

12th Generation Intel Core Processors: All versions

Intel Pentium Gold Processor Series: All versions

Intel Celeron Processors: All versions

2nd Generation Intel Xeon Scalable Processors: All versions

9th Generation Intel Core Processors: All versions

Intel Xeon E Processors: All versions

10th Generation Intel Core Processors: All versions

3rd Generation Intel Xeon Scalable Processors: All versions

Intel Core Ultra family: All versions

13th Generation Intel Core Processors: All versions

14th Generation Intel Core Processors: All versions

13th Generation Intel Core i7 processors: All versions

Intel Pentium Processor G7400/G7400T: All versions

11th Generation Intel Core Processors: All versions

Intel Core i7-11700: All versions

Intel Core i7-11700T: All versions

Intel Core i5-11400T: All versions

Intel Core i5-11400: All versions

Intel Core i5-11500T: All versions

Intel Core i5-11500: All versions

3rd Intel Xeon E processor family: All versions

4th Generation Intel Xeon Scalable Processors: All versions

5th Generation Intel Xeon Scalable processors: All versions

8th Generation Intel Core Processors: All versions

Intel Core Ultra 5: All versions

Intel Core Ultra 7: All versions

Intel Core Ultra 9: All versions

Intel Atom Processors P6000: All versions

Intel Xeon 6 processor family: All versions

CPE2.3 External links

https://www.openwall.com/lists/oss-security/2025/05/13/7
https://comsec.ethz.ch/research/microarch/branch-privilege-injection/
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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