SB20250916109 - Use-after-free in Linux kernel pci netup_unidvb driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916109
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-53219)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the netup_unidvb_dma_fini() function in drivers/media/pci/netup_unidvb/netup_unidvb_core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/051af3f0b7d1cd8ab7f3e2523ad8ae1af44caba3
- https://git.kernel.org/stable/c/07821524f67bf920342bc84ae8b3dea2a315a89e
- https://git.kernel.org/stable/c/0f5bb36bf9b39a2a96e730bf4455095b50713f63
- https://git.kernel.org/stable/c/1550bcf2983ae1220cc8ab899a39a423fa7cb523
- https://git.kernel.org/stable/c/90229e9ee957d4514425e4a4d82c50ab5d57ac4d
- https://git.kernel.org/stable/c/c8f9c05e1ebcc9c7bc211cc8b74d8fb86a8756fc
- https://git.kernel.org/stable/c/dd5c77814f290b353917df329f36de1472d47154
- https://git.kernel.org/stable/c/f9982db735a8495eee14267cf193c806b957e942
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.181