SB20241022229 - Information disclosure in Linux kernel block zram driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022229
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2024-50064)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the zram_destroy_comps() function in drivers/block/zram/zram_drv.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6272936fd242ca1f784c3e21596dfb3859dff276
- https://git.kernel.org/stable/c/ef35cc0d15b89dd013e1bb829fe97db7b1ab79eb
- https://git.kernel.org/stable/c/684826f8271ad97580b138b9ffd462005e470b99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.57