SB2024062176 - NULL pointer dereference in Linux kernel tls
Published: June 21, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062176
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-2024-36489)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the tls_ctx_create() function in net/tls/tls_main.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/d72e126e9a36d3d33889829df8fc90100bb0e071
- https://git.kernel.org/stable/c/2c260a24cf1c4d30ea3646124f766ee46169280b
- https://git.kernel.org/stable/c/335c8f1566d8e44c384d16b450a18554896d4e8b
- https://git.kernel.org/stable/c/ab67c2fd3d070a21914d0c31319d3858ab4e199c
- https://git.kernel.org/stable/c/ef21007a7b581c7fe64d5a10c320880a033c837b
- https://git.kernel.org/stable/c/91e61dd7a0af660408e87372d8330ceb218be302
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.219
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.161
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.33