SB20250226262 - Use-after-free in Linux kernel iio trigger driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226262
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-2022-49685)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the iio_sysfs_trigger_remove() function in drivers/iio/trigger/iio-trig-sysfs.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/31ff3309b47d98313c61b8301bf595820cc3cc33
- https://git.kernel.org/stable/c/4687c3f955240ca2a576bdc3f742d4d915b6272d
- https://git.kernel.org/stable/c/4ef1e521be610b720daeb7cf899fedc7db0274c4
- https://git.kernel.org/stable/c/5e39397d60dacc7f5d81d442c1c958eaaaf31128
- https://git.kernel.org/stable/c/78601726d4a59a291acc5a52da1d3a0a6831e4e8
- https://git.kernel.org/stable/c/b07a30a774b3c3e584a68dc91779c68ea2da4813
- https://git.kernel.org/stable/c/d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2
- https://git.kernel.org/stable/c/fd5d8fb298a2866c337da635c79d63c3afabcaf7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.286