// For flags

CVE-2022-40540

Buffer copy without checking the size of input in Linux Kernel

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-09-12 CVE Reserved
  • 2023-03-07 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-09-27 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Qualcomm
Search vendor "Qualcomm"
Sd 8 Gen1 5g Firmware
Search vendor "Qualcomm" for product "Sd 8 Gen1 5g Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Sm8475
Search vendor "Qualcomm" for product "Sm8475"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Sd888 5g Firmware
Search vendor "Qualcomm" for product "Sd888 5g Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Sd888 5g
Search vendor "Qualcomm" for product "Sd888 5g"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Sw5100 Firmware
Search vendor "Qualcomm" for product "Sw5100 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Sw5100
Search vendor "Qualcomm" for product "Sw5100"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Sw5100p Firmware
Search vendor "Qualcomm" for product "Sw5100p Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Sw5100p
Search vendor "Qualcomm" for product "Sw5100p"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcd9380 Firmware
Search vendor "Qualcomm" for product "Wcd9380 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcd9380
Search vendor "Qualcomm" for product "Wcd9380"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcd9385 Firmware
Search vendor "Qualcomm" for product "Wcd9385 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcd9385
Search vendor "Qualcomm" for product "Wcd9385"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcn3980 Firmware
Search vendor "Qualcomm" for product "Wcn3980 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcn3980
Search vendor "Qualcomm" for product "Wcn3980"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcn3988 Firmware
Search vendor "Qualcomm" for product "Wcn3988 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcn3988
Search vendor "Qualcomm" for product "Wcn3988"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcn6850 Firmware
Search vendor "Qualcomm" for product "Wcn6850 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcn6850
Search vendor "Qualcomm" for product "Wcn6850"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcn6851 Firmware
Search vendor "Qualcomm" for product "Wcn6851 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcn6851
Search vendor "Qualcomm" for product "Wcn6851"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcn6855 Firmware
Search vendor "Qualcomm" for product "Wcn6855 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcn6855
Search vendor "Qualcomm" for product "Wcn6855"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcn6856 Firmware
Search vendor "Qualcomm" for product "Wcn6856 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcn6856
Search vendor "Qualcomm" for product "Wcn6856"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcn7850 Firmware
Search vendor "Qualcomm" for product "Wcn7850 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcn7850
Search vendor "Qualcomm" for product "Wcn7850"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wcn7851 Firmware
Search vendor "Qualcomm" for product "Wcn7851 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wcn7851
Search vendor "Qualcomm" for product "Wcn7851"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wsa8830 Firmware
Search vendor "Qualcomm" for product "Wsa8830 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wsa8830
Search vendor "Qualcomm" for product "Wsa8830"
--
Safe
Qualcomm
Search vendor "Qualcomm"
Wsa8835 Firmware
Search vendor "Qualcomm" for product "Wsa8835 Firmware"
--
Affected
in Qualcomm
Search vendor "Qualcomm"
Wsa8835
Search vendor "Qualcomm" for product "Wsa8835"
--
Safe