#VU109493 Memory leak in Linux kernel - CVE-2025-37909
Published: May 20, 2025 / Updated: May 21, 2025
Vulnerability identifier: #VU109493
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-2025-37909
CWE-ID: CWE-401
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 memory leak within the lan743x_tx_frame_add_lso(), lan743x_tx_frame_add_fragment() and lan743x_tx_frame_end() functions in drivers/net/ethernet/microchip/lan743x_main.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/189b05f189cac9fd233ef04d31cb5078c4d09c39
- https://git.kernel.org/stable/c/2d52e2e38b85c8b7bc00dca55c2499f46f8c8198
- https://git.kernel.org/stable/c/a0e0efbabbbe6a1859bc31bf65237ce91e124b9b
- https://git.kernel.org/stable/c/dae1ce27ceaea7e1522025b15252e3cc52802622
- https://git.kernel.org/stable/c/df993daa4c968b4b23078eacc248f6502ede8664
- https://git.kernel.org/stable/c/f42c18e2f14c1b1fdd2a5250069a84bc854c398c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.6