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CVE-2026-90025
7.7 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Local (L)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): None (N)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Local (L)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): High (H)
Activity log
- Created & dismissed (max. allowed matches exceeded) suggestion
usb: typec: ucsi: displayport: Fix OOB altmode array index
In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix OOB altmode array index The UCSI displayport driver indexes the connector's port altmode array with the GET_CURRENT_CAM response after checking it is not 0xff. The port altmode array is UCSI_MAX_ALTMODES elements long. If the PPM returns an invalid GET_CURRENT_CAM response above UCSI_MAX_ALTMODES and not equal to 0xff, the kernel may crash with an array index OOB error. Update the UCSI displayport driver to verify the current cam is less than UCSI_MAX_ALTMODES before accessing the port altmode array.
References
Affected products
Linux
- ==5.2
- =<7.2.*
- <83f1abd62cc134700ba92e1e2dc650a49a185497
- <1ffed96ef986e2cdf986aa4a4506a5e6dcdf4456
- <5.2
- <ac9f878c468052af6571e8639ab1c3ae040b908f
- =<6.12.*
- =<5.15.*
- =<6.18.*
- <bdaaf3074aedce8f1b173cc363d61cff5f6a585f
- =<*
- <04cec690b1fd9d1c4c314b91a10d8c68a3acfe18
- <33a81acd2d1d0667d4eff93cb90339fa53e617e8
- =<6.1.*
- =<6.6.*
- <8fde7e4a366184e9a6aa95541e52933a73c00a74
- <58e0ee293ec5e06cacbe3953ad44042f1473dae9
- =<5.10.*