SB2025121088 - Out-of-bounds read in Linux kernel dccp
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121088
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-2023-53782)
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_v6_init_sequence() and dccp_v6_err() functions in net/dccp/ipv6.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/177212bf6dc1ff2d13d0409cddc5c9e81feec63d
- https://git.kernel.org/stable/c/3533e10272555c422a7d51ebc0ce8c483429f7f2
- https://git.kernel.org/stable/c/4b8a938e329ae4eb54b73b0c87b5170607b038a8
- https://git.kernel.org/stable/c/6ecf09699eb1554299aa1e7fd13e9e80f656c2f9
- https://git.kernel.org/stable/c/7a7dd70cb954d3efa706a429687ded88c02496fa
- https://git.kernel.org/stable/c/977ad86c2a1bcaf58f01ab98df5cc145083c489c
- https://git.kernel.org/stable/c/d8171411a661253e6271fa10b65b46daf1b6471c
- https://git.kernel.org/stable/c/ec620c34f5fa5d055f9f6136a387755db6157712
- https://git.kernel.org/stable/c/f8a7f10a1dccf9868ff09342a73dce27501b86df
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.53