#VU104903 Resource management error in Linux kernel - CVE-2022-49691
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104903
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49691
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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