SB2024050848 - Denial of service in Linux kernel i2c driver
Published: May 8, 2024 Updated: May 14, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2020-36780)
The vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due reference leak when pm_runtime_get_sync fails within the sprd_i2c_master_xfer() and sprd_i2c_remove() function in drivers/i2c/busses/i2c-sprd.c. A local user can perform denial of service attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/7e1764312440c5df9dfe6b436035a03673b0c1b9
- https://git.kernel.org/stable/c/e547640cee7981fd751d2c9cde3a61bdb678b755
- https://git.kernel.org/stable/c/9223505e938ba3db5907e058f4209770cff2f2a7
- https://git.kernel.org/stable/c/d3406ab52097328a3bc4cbe124bfd8f6d51fb86f
- https://git.kernel.org/stable/c/3a4f326463117cee3adcb72999ca34a9aaafda93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.119