#VU115390 Use-after-free in Linux kernel - CVE-2022-50252
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115390
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50252
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the igb_alloc_q_vector() function in drivers/net/ethernet/intel/igb/igb_main.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0200f0fbb11e359cc35af72ab10b2ec224e6f633
- https://git.kernel.org/stable/c/0668716506ca66f90d395f36ccdaebc3e0e84801
- https://git.kernel.org/stable/c/314f7092b27749bdde44c14095b5533afa2a3bc8
- https://git.kernel.org/stable/c/3cb18dea11196fb4a06f78294cec5e61985e1aff
- https://git.kernel.org/stable/c/56483aecf6b22eb7dff6315b3a174688c6ad494c
- https://git.kernel.org/stable/c/64ca1969599857143e91aeec4440640656100803
- https://git.kernel.org/stable/c/68e8adbcaf7a8743e473343b38b9dad66e2ac6f3
- https://git.kernel.org/stable/c/6e399577bd397a517df4b938601108c63769ce0a
- https://git.kernel.org/stable/c/f96bd8adc8adde25390965a8c1ee81b73cb62075
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229