SB20250226204 - Memory leak in Linux kernel sched
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226204
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) Memory leak (CVE-ID: CVE-2022-49183)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the tcf_ct_skb_nfct_cached() function in net/sched/act_ct.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/4bb42d73def9411e5cad885b9811987d72431df1
- https://git.kernel.org/stable/c/b24793a37d91aacad7cb9893b226a7924a89636a
- https://git.kernel.org/stable/c/bcb74e132a76ce0502bb33d5b65533a4ed72d159
- https://git.kernel.org/stable/c/bcbf4e5c3b5b373cd61528392dd1ec8e9c0fd33d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33