#VU104443 Use-after-free in Linux kernel - CVE-2022-49695
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104443
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-2022-49695
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_clean_tx_ring() 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 website.
External links
- https://git.kernel.org/stable/c/2af944210dc23d43d8208dafac4df7be7e3c168b
- https://git.kernel.org/stable/c/3f6a57ee8544ec3982f8a3cbcbf4aea7d47eb9ec
- https://git.kernel.org/stable/c/68a0ed06dcd5d3ea732d011c0b83d66e4791f521
- https://git.kernel.org/stable/c/c12a2c9b1b460ed72e6b3c33aac1ef51b0329b66
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.127