#VU104816 Infinite loop in Linux kernel - CVE-2022-49097
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104816
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49097
CWE-ID: CWE-835
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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