SB20260928378 - Out-of-bounds read in Linux kernel smb client
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928378
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-97560)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 0 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause an out-of-bounds read.
The vulnerability exists due to an incorrect length calculation in smb2_parse_native_symlink() when parsing a share-root relative native symlink. A remote attacker can cause the client to parse a share-root relative native symlink with a crafted target to cause an out-of-bounds read.
Remediation
Install update from vendor's website.