Out-of-bounds read in Linux kernel - CVE-2026-98077
Published: September 28, 2026
Vulnerability identifier: #VU152373
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2026-98077
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to trigger an out-of-bounds read.
The vulnerability exists due to an out-of-bounds read in sip_skip_whitespace() in nf_conntrack_sip when processing a SIP payload containing a recognized header name followed by whitespace at the end of the payload. A remote attacker can send such a crafted SIP payload to trigger an out-of-bounds read.
Affected software
Linux kernel
How to mitigate CVE-2026-98077
Install security update from vendor's repository.