SB2024053070 - Denial of service in Linux kernel net driver
Published: May 30, 2024
Security Bulletin ID
SB2024053070
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2021-47371)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nexthops_dump() and EXPORT_SYMBOL() functions in net/ipv4/nexthop.c, within the vxlan_exit_batch_net() and register_nexthop_notifier() functions in drivers/net/vxlan.c. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.