#VU105053 Integer overflow in Linux kernel - CVE-2025-21711
Vulnerability identifier: #VU105053
Vulnerability risk: Low
CVSSv4.0: 5.9 [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-2025-21711
CWE-ID:
CWE-190
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the rose_setsockopt() function in net/rose/af_rose.c. A local user can execute arbitrary code.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: All versions
External links
https://git.kernel.org/stable/c/352daa50946c3bbb662432e8daf54d6760796589
https://git.kernel.org/stable/c/9bdee49ad6bbd26ab5e13cc6731e54fb1b6c1dca
https://git.kernel.org/stable/c/d08f4074f9c69f7e95502587eb1b258a965ba7f0
https://git.kernel.org/stable/c/d640627663bfe7d8963c7615316d7d4ef60f3b0b
https://git.kernel.org/stable/c/e5338930a29d0ab2a5af402f5f664aeba0d1a676
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
