SB2024062093 - Use of uninitialized resource in Linux kernel bridge
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062093
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) Use of uninitialized resource (CVE-ID: CVE-2024-38538)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the EXPORT_SYMBOL_GPL() and br_dev_xmit() functions in net/bridge/br_device.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/28126b83f86ab9cc7936029c2dff845d3dcedba2
- https://git.kernel.org/stable/c/1abb371147905ba250b4cc0230c4be7e90bea4d5
- https://git.kernel.org/stable/c/f482fd4ce919836a49012b2d31b00fc36e2488f2
- https://git.kernel.org/stable/c/5b5d669f569807c7ab07546e73c0741845a2547a
- https://git.kernel.org/stable/c/8bd67ebb50c0145fd2ca8681ab65eb7e8cde1afc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.324
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.230
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.172
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.286
- 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
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.12