SB20250226738 - Resource management error in Linux kernel ipv4
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226738
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) Resource management error (CVE-ID: CVE-2022-49691)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ip6erspan_tunnel_xmit() function in net/ipv6/ip6_gre.c, within the erspan_fb_xmit() function in net/ipv4/ip_gre.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/02da602bc2f353dccd9e489a604490034ded941e
- https://git.kernel.org/stable/c/2c8aeffc7c586d53e1d380f010bdca4f710f2480
- https://git.kernel.org/stable/c/301bd140ed0b24f0da660874c7e8a47dad8c8222
- https://git.kernel.org/stable/c/a3b2470399f679587c45abe56e551caf10becca2
- https://git.kernel.org/stable/c/cec9867ee55478ef5dcb2adf030fe0c442a4c4ee
- https://git.kernel.org/stable/c/fb401f37f6eadf24956d93687e5758c163c0d12b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.250