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CVE-2023-43513

Use of Out-of-range Pointer Offset in PCIe

7.8 HighFix available

Memory corruption while processing the event ring, the context read pointer is untrusted to HLOS and when it is passed with arbitrary values, may point to address in the middle of ring element.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.11%Up 0.1 points since Feb 8, 2024
90%50%10%1%

What each source reports

CVE List Score used 7.8

Use of Out-of-range Pointer Offset in PCIe

Memory corruption while processing the event ring, the context read pointer is untrusted to HLOS and when it is passed with arbitrary values, may point to address in the middle of ring element.

Record
CVE-2023-43513
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-823
Updated
2026-11-02
EUVDEUVD-2023-47919 7.8

Memory corruption while processing the event ring, the context read pointer is untrusted to HLOS and when it is passed with arbitrary values, may point to address in the middle of ring element.

Record
EUVD-2023-47919
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-pg26-49x3-7h59 7.8

Memory corruption while processing the event ring, the context read pointer is untrusted to HLOS...

Memory corruption while processing the event ring, the context read pointer is untrusted to HLOS and when it is passed with arbitrary values, may point to address in the middle of ring element.

Record
GHSA-pg26-49x3-7h59
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-787, CWE-823
Updated
2026-11-02
NVD 7.8

Memory corruption while processing the event ring, the context read pointer is untrusted to HLOS and when it is passed with arbitrary values, may point to address in the middle of ring element.

Record
CVE-2023-43513
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-823, CWE-787
Updated
2026-11-02

Affected products

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Affected packages

Affected packages
PackageAffectedFixed
:linux_kernel:Qualcomm
Android
 SoCVersion:0 up to SoCVersion:2024-02-05, plus listed versions
SoCVersion
SoCVersion:2024-02-05

History

History
RecordedChangedSources
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2023-43513 is a high vulnerability (CVSS 7.8) in Qualcomm 315 5g Iot Modem Firmware, published February 1, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. Fixed in :linux_kernel:Qualcomm SoCVersion:2024-02-05.

References

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