SB2024050825 - Denial of service in Linux kernel apparmor
Published: May 8, 2024
Security Bulletin ID
SB2024050825
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-52443)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the unpack_profile() function in security/apparmor/policy_unpack.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9286ee97aa4803d99185768735011d0d65827c9e
- https://git.kernel.org/stable/c/1d8e62b5569cc1466ceb8a7e4872cf10160a9dcf
- https://git.kernel.org/stable/c/5ff00408e5029d3550ee77f62dc15f1e15c47f87
- https://git.kernel.org/stable/c/0a12db736edbb4933e4274932aeea594b5876fa4
- https://git.kernel.org/stable/c/9d4fa5fe2b1d56662afd14915a73b4d0783ffa45
- https://git.kernel.org/stable/c/5c0392fdafb0a2321311900be83ffa572bef8203
- https://git.kernel.org/stable/c/77ab09b92f16c8439a948d1af489196953dc4a0e
- https://git.kernel.org/stable/c/55a8210c9e7d21ff2644809699765796d4bfb200