SB20250226650 - Infinite loop in Linux kernel nfs
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226650
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) Infinite loop (CVE-ID: CVE-2022-49097)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the EXPORT_SYMBOL_GPL() function in fs/nfs/write.c, within the nfs_set_pgio_error(), nfs_generic_pgio() and nfs_pageio_alloc_mirrors() functions in fs/nfs/pagelist.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/0bae835b63c53f86cdc524f5962e39409585b22c
- https://git.kernel.org/stable/c/1b3fa9a3c420c31e77b406ddc28f3a627100516c
- https://git.kernel.org/stable/c/a6caeddd68977a1aaaf62fbd1955b41dd5c3c5d3
- https://git.kernel.org/stable/c/c74e2f6ecc51bd08bb5b0335477dba954a50592e
- https://git.kernel.org/stable/c/ea029e4ce760f786919d06ef52efa2e50ea92a5f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.34