SB20250226222 - Memory leak in Linux kernel media zoran driver
Published: February 26, 2025 Updated: May 11, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2021-47644)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the zoran_queue_init() function in drivers/staging/media/zoran/zoran_driver.c, within the zoran_check_jpg_settings(), zr36057_init(), dma_free_coherent() and zoran_remove() functions in drivers/staging/media/zoran/zoran_card.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/1e501ec38796f43e995731d1bcd4173cb1ccfce0
- https://git.kernel.org/stable/c/82e3a496eb56da0b9f29fdc5b63cedb3289e91de
- https://git.kernel.org/stable/c/bd01629315ffd5b63da91d0bd529a77d30e55028
- https://git.kernel.org/stable/c/c1ba65100a359fe28cfe37e09e10c99f247cbf1e
- https://git.kernel.org/stable/c/ff3357bffd9fb78f59762d8955afc7382a279079
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33