SB2024102926 - Buffer overflow in Linux kernel tty vt driver
Published: October 29, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102926
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) Buffer overflow (CVE-ID: CVE-2024-50076)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the con_font_get() function in drivers/tty/vt/vt.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/dc2d5f02636c7587bdd6d1f60fc59c55860b00a4
- https://git.kernel.org/stable/c/adb1f312f38f0d2c928ceaff089262798cc260b4
- https://git.kernel.org/stable/c/f956052e00de211b5c9ebaa1958366c23f82ee9e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.171
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.58