SB20250226365 - NULL pointer dereference in Linux kernel fs
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226365
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) NULL pointer dereference (CVE-ID: CVE-2022-49264)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the bprm_stack_limits(), do_execveat_common() and kernel_execve() functions in fs/exec.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/1290eb4412aa0f0e9f3434b406dc8e255da85f9e
- https://git.kernel.org/stable/c/1fe82bfd9e4ce93399d815ca458b58505191c3e8
- https://git.kernel.org/stable/c/27a6f495b63a1804cc71be45911065db7757a98c
- https://git.kernel.org/stable/c/41f6ea5b9aaa28b740d47ffe995a5013211fdbb0
- https://git.kernel.org/stable/c/98e0c7c702894987732776736c99b85ade6fba45
- https://git.kernel.org/stable/c/a8054d3fa5deb84b215d6be1b910a978f3cb840d
- https://git.kernel.org/stable/c/b50fb8dbc8b81aaa126387de428f4c42a7c72a73
- https://git.kernel.org/stable/c/cfbfff8ce5e3d674947581f1eb9af0a1b1807950
- https://git.kernel.org/stable/c/dcd46d897adb70d63e025f175a00a89797d31a43
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.282
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.246
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.317
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.197