SB2026090570 - Return of Wrong Status Code in Linux kernel crypto xilinx driver
Published: September 5, 2026
Security Bulletin ID
SB2026090570
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Return of Wrong Status Code (CVE-ID: CVE-2026-80871)
CWE-ID: CWE-393 - Return of Wrong Status Code
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause cryptographic operations to receive incomplete random data.
The vulnerability exists due to an incorrect success status return in xtrng_trng_generate() when generating random bytes through the crypto_rng interface. A local user can invoke the crypto_rng interface to cause cryptographic operations to receive incomplete random data.
Remediation
Install update from vendor's website.