SB2025091713 - Out-of-bounds read in Linux kernel netfilter
Published: September 17, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091713
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2023-53333)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the dccp_error() function in net/netfilter/nf_conntrack_proto_dccp.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/26bd1f210d3783a691052c51d76bb8a8bbd24c67
- https://git.kernel.org/stable/c/337fdce450637ea663bc816edc2ba81e5cdad02e
- https://git.kernel.org/stable/c/5c618daa5038712c4a4ef8923905a2ea1b8836a1
- https://git.kernel.org/stable/c/8c0980493beed3a80d6329c44ab293dc8c032927
- https://git.kernel.org/stable/c/9bdcda7abaf22f6453e5b5efb7eb4e524095d5d8
- https://git.kernel.org/stable/c/c052797ac36813419ad3bfa54cb8615db4b41f15
- https://git.kernel.org/stable/c/ff0a3a7d52ff7282dbd183e7fc29a1fe386b0c30
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.188
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.251
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.39
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5