CVE - CVE-2025-21965

CVE-ID
CVE-2025-21965	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: sched_ext: Validate prev_cpu in scx_bpf_select_cpu_dfl() If a BPF scheduler provides an invalid CPU (outside the nr_cpu_ids range) as prev_cpu to scx_bpf_select_cpu_dfl() it can cause a kernel crash. To prevent this, validate prev_cpu in scx_bpf_select_cpu_dfl() and trigger an scx error if an invalid CPU is specified.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/515680e76c536dd4aa8e2b5d674b0d441baddf5b URL:https://git.kernel.org/stable/c/515680e76c536dd4aa8e2b5d674b0d441baddf5b MISC:https://git.kernel.org/stable/c/752b56bb76e2471197d25d6948d85753043b10da URL:https://git.kernel.org/stable/c/752b56bb76e2471197d25d6948d85753043b10da MISC:https://git.kernel.org/stable/c/9360dfe4cbd62ff1eb8217b815964931523b75b3 URL:https://git.kernel.org/stable/c/9360dfe4cbd62ff1eb8217b815964931523b75b3
Assigning CNA
kernel.org
Date Record Created
20241229	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241229)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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