SB20250226407 - NULL pointer dereference in Linux kernel nvme host driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226407
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-2022-49492)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the nvme_alloc_admin_tags() function in drivers/nvme/host/pci.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/54a4c1e47d1b2585e74920399455bd9abbfb2bd7
- https://git.kernel.org/stable/c/7a28556082d1fbcbc599baf1c24252dfc73efefc
- https://git.kernel.org/stable/c/8321b17789f614414206af07e17ce4751c95dc76
- https://git.kernel.org/stable/c/8da2b7bdb47e94bbc4062a3978c708926bcb022c
- https://git.kernel.org/stable/c/906c81dba8ee8057523859b5e1a2479e9fd34860
- https://git.kernel.org/stable/c/9e649471b396fa0139d53919354ce1eace9b9a24
- https://git.kernel.org/stable/c/af98940dd33c9f9e1beb4f71c0a39260100e2a65
- https://git.kernel.org/stable/c/da42761181627e9bdc37d18368b827948a583929
- https://git.kernel.org/stable/c/f76729662650cd7bc8f8194e057af381370349a7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198