Privilege escalation in Linux kernel bpf
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-52447 |
| CWE-ID | CWE-416 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
| Vendor |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Use-after-free
EUVDB-ID: #VU87740
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-52447
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in
bpf. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Install updates from vendor's website.
Vulnerable software versionsLinux kernel: before 6.1.75
External linkshttp://git.kernel.org/stable/c/62fca83303d608ad4fec3f7428c8685680bb01b0
http://git.kernel.org/stable/c/f91cd728b10c51f6d4a39957ccd56d1e802fc8ee
http://git.kernel.org/stable/c/bfd9b20c4862f41d4590fde11d70a5eeae53dcc5
http://git.kernel.org/stable/c/876673364161da50eed6b472d746ef88242b2368
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.
