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CVE-2023-21633

Improper Restriction of Operations within the Bounds of a Memory Buffer in Linux

6.7 Medium

Memory Corruption in Linux while processing QcRilRequestImsRegisterMultiIdentityMessage request.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.11%Up 0.1 points since Jul 4, 2023
90%50%10%1%

What each source reports

CVE List Score used 6.7

Improper Restriction of Operations within the Bounds of a Memory Buffer in Linux

Memory Corruption in Linux while processing QcRilRequestImsRegisterMultiIdentityMessage request.

Record
CVE-2023-21633
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02
EUVDEUVD-2023-25800 6.7

Memory Corruption in Linux while processing QcRilRequestImsRegisterMultiIdentityMessage request.

Record
EUVD-2023-25800
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-fg3g-frcw-5756 6.7

Memory Corruption in Linux while processing QcRilRequestImsRegisterMultiIdentityMessage request.

Memory Corruption in Linux while processing QcRilRequestImsRegisterMultiIdentityMessage request.

Record
GHSA-fg3g-frcw-5756
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119, CWE-787
Updated
2026-11-02
NVD 6.7

Memory Corruption in Linux while processing QcRilRequestImsRegisterMultiIdentityMessage request.

Record
CVE-2023-21633
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119, CWE-787
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-21633 is a medium vulnerability (CVSS 6.7) in Qualcomm Apq8064au Firmware, published July 4, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.

References

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