SB2025050965 - Memory leak in Linux kernel s390 char driver
Published: May 9, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050965
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-2025-37883)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __sclp_console_free_pages() and sclp_console_init() functions in drivers/s390/char/sclp_con.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/28e5a867aa542e369e211c2baba7044228809a99
- https://git.kernel.org/stable/c/397254706eba9d8f99fd237feede7ab3169a7f9a
- https://git.kernel.org/stable/c/3b3aa72636a6205933609ec274a8747720c1ee3f
- https://git.kernel.org/stable/c/3db42c75a921854a99db0a2775814fef97415bac
- https://git.kernel.org/stable/c/e1e00dc45648125ef7cb87ebc3b581ac224e7b39
- https://git.kernel.org/stable/c/f69f8a93aacf6e99af7b1cc992d8ca2cc07b96fb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.5