SB20240531330 - NULL pointer dereference in Linux kernel tty driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531330
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) NULL pointer dereference (CVE-ID: CVE-2023-52789)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vcc_probe() and vcc_table_remove() functions in drivers/tty/vcc.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/38cd56fc9de78bf3c878790785e8c231116ef9d3
- https://git.kernel.org/stable/c/909963e0c16778cec28efb1affc21558825f4200
- https://git.kernel.org/stable/c/460284dfb10b207980c6f3f7046e33446ceb38ac
- https://git.kernel.org/stable/c/4ef41a7f33ffe1a335e7db7e1564ddc6afad47cc
- https://git.kernel.org/stable/c/6c80f48912b5bd4965352d1a9a989e21743a4a06
- https://git.kernel.org/stable/c/7cebc86481bf16049e266f6774d90f2fd4f8d5d2
- https://git.kernel.org/stable/c/4a24a31826246b15477399febd13292b0c9f0ee9
- https://git.kernel.org/stable/c/8f8771757b130383732195497e47fba2aba76d3a
- https://git.kernel.org/stable/c/d81ffb87aaa75f842cd7aa57091810353755b3e6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.331
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.300
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.202
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.140
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.262
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7