SB2024062474 - Buffer overflow in Linux kernel nfs
Published: June 24, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062474
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) Buffer overflow (CVE-ID: CVE-2021-47166)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the nfs_pageio_doio() and nfs_do_recoalesce() 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/e8b8418ce14ae66ee55179901edd12191ab06a9e
- https://git.kernel.org/stable/c/b291baae24f876acd5a5dd57d0bb2bbac8a68b0c
- https://git.kernel.org/stable/c/c757c1f1e65d89429db1409429436cf40d47c008
- https://git.kernel.org/stable/c/40f139a6d50c232c0d1fd1c5e65a845c62db0ede
- https://git.kernel.org/stable/c/785917316b25685c9b3a2a88f933139f2de75e33
- https://git.kernel.org/stable/c/7087db95c0a06ab201b8ebfac6a7ec1e34257997
- https://git.kernel.org/stable/c/2fe1cac336b55a1f79e603e9ce3552c3623e90eb
- https://git.kernel.org/stable/c/0d0ea309357dea0d85a82815f02157eb7fcda39f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.193
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.271
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.271
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.124