The latest security information on Intel® products.
2025.2 IPU - Intel® Processor Indirect Branch Predictor Advisory
| Intel ID: | INTEL-SA-01247 |
|---|---|
| Advisory Category: | Hardware |
| Impact of vulnerability: | Information Disclosure |
| Severity rating: | MEDIUM |
| Original release: | 05/13/2025 |
| Last revised: | 05/27/2025 |
Summary:
Potential security vulnerabilities in some Intel® Processor indirect branch predictors may allow information disclosure. Intel is releasing microcode updates to mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2024-43420
Description: Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel Atom® processors may allow an authenticated user to potentially enable information disclosure via local access.
CVSS Base Score 3.1: 5.6 Medium
CVSS Vector 3.1: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS Base Score 4.0: 5.7 Medium
CVSS Vector 4.0: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVEID: CVE-2025-20623
Description: Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel® Core™ processors (10th Generation) may allow an authenticated user to potentially enable information disclosure via local access.
CVSS Base Score 3.1: 5.6 Medium
CVSS Vector 3.1: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS Base Score 4.0: 5.7 Medium
CVSS Vector 4.0: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVEID: CVE-2024-45332
Description: Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution in the indirect branch predictors for some Intel® Processors may allow an authenticated user to potentially enable information disclosure via local access.
CVSS Base Score 3.1: 5.6 Medium
CVSS Vector 3.1: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS Base Score 4.0: 5.7 Medium
CVSS Vector 4.0: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Affected Products:
Product family |
Vertical Segment |
CVE ID |
CPU ID |
Platform ID |
12th Generation Intel® Core™ Processor Family |
Desktop |
CVE-2024-45332 |
906A4 |
0x80 0x40 |
2nd Generation Intel® Xeon® Scalable Processors |
Server |
CVE-2024-45332 |
50657 |
0xBF |
9th Generation Intel® Core™ Processor Family |
Mobile |
CVE-2024-45332 |
906ED |
0x22 |
10th Generation Intel® Core™ Processor Family |
Desktop |
CVE-2024-45332 |
A0652 |
0x22 |
3rd Generation Intel® Xeon® Scalable Processor Family |
Server |
CVE-2024-45332 |
5065B |
0xBF |
10th Generation Intel® Core™ Processor Family |
Mobile |
CVE-2024-45332 |
706E5 |
0x80 |
3rd Generation Intel® Xeon® Scalable Processor Family |
Server |
CVE-2024-45332 |
606A6 |
0x87 |
Intel® Core™ Ultra Family |
Mobile |
CVE-2024-45332 |
A06A4 |
0x7 |
13th Generation Intel® Core™ Processor Family |
Mobile |
CVE-2024-45332 |
B06A2 |
0xe0 |
Intel® Xeon® E processor family |
Server |
CVE-2024-45332 |
B0671 |
0x1 |
Intel Pentium® Processor G7400/G7400T |
Server |
CVE-2024-45332 |
90675 |
07 |
11th Gen Intel Core |
Desktop |
CVE-2024-45332 |
A0671 |
0x02 |
4th Generation Intel® Xeon® Scalable processors |
Server |
CVE-2024-45332 |
806F7 |
0x87 0x10 |
5th Generation Intel® Xeon® Scalable processors |
Server |
CVE-2024-45332 |
C06F2 |
0x87 |
11th Generation Intel® Core Processor Family |
Mobile |
CVE-2024-45332 |
806C1 |
0x80 |
8th Generation Intel® Core™ Processors |
Mobile |
CVE-2024-45332 |
806EC |
0x94 |
Intel® Pentium® Processor Silver Series |
Desktop |
CVE-2024-43420 |
706A8 |
0x01 |
Intel® Core™ Ultra 5, 7, 9 |
Mobile Desktop |
CVE-2024-45332 |
B0650 C0652 C0662 C0664 |
01 |
Intel® Core™ Ultra 5, 7, 9 |
Mobile Embedded |
CVE-2024-45332 |
B06D1 |
01 |
Intel® Xeon® 6 processor family |
Server |
CVE-2024-45332 |
A06F2 |
01 |
Intel® Atom® Processors P6000 |
Networking Server |
CVE-2024-45332 |
B0664 |
01 |
Recommendation:
Intel recommends that users of affected Intel® Processors update to the latest version of firmware provided by the system manufacturer that addresses these issues.
Acknowledgements:
For CVE-2024-45332, Intel would like to thank Sandro Rüegge, Johannes Wikner and Kaveh Razavi from COMSEC at ETH Zurich for reporting the original issue and Intel employees Alyssa Milburn, Ke Sun, Joe Nuzman and Alexandr Sukhman for reporting additional related findings.
The following issues were found internally by Intel, CVE-2024-43420 and CVE-2025-20623. Intel would like to thank Alyssa Milburn, Ke Sun and Jason Kilman
Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available.
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