Double free in Linux kernel - CVE-2022-49345
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104731
CSH Severity: Low
CVSS v4.0: 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-2022-49345
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the xfrm4_protocol_init() function in net/ipv4/xfrm4_protocol.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49345
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/2b253fbc9f7b5db18d716436bdcf8ecef09fd63d
- https://git.kernel.org/stable/c/31f3c6a4dcd3260a386e62cef2d5b36e902600a1
- https://git.kernel.org/stable/c/4a388f08d8784af48f352193d2b72aaf167a57a1
- https://git.kernel.org/stable/c/85a055c03691e51499123194a14a0c249cf33227
- https://git.kernel.org/stable/c/be3884d5cd04ccd58294b83a02d70b7c5fca19d3
- https://git.kernel.org/stable/c/c58d82a1264813e69119c13e9804e2e60b664ad5
- https://git.kernel.org/stable/c/e04d59cfe0c0129df7aba7ef7bb17b96be2a64f2
- https://git.kernel.org/stable/c/e53cd3814504b2cadaba4d5a8a07eeea9ddacd03
- https://git.kernel.org/stable/c/ef6d2354de238b065d8799c80da4be9a6af18e39
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198