CVE-2025-38012

In the Linux kernel, the following vulnerability has been resolved: sched_ext: bpf_iter_scx_dsq_new() should always initialize iterator BPF programs may call next() and destroy() on BPF iterators even after new() returns an error value (e.g. bpf_for_each() macro ignores error returns from new()). bpf_iter_scx_dsq_new() could leave the iterator in an uninitialized state after an error return causing bpf_iter_scx_dsq_next() to dereference garbage data. Make bpf_iter_scx_dsq_new() always clear $kit->dsq so that next() and destroy() become noops.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/0102989af4c334d1d98b2a0fd4d61a5152e39b72	Patch
https://git.kernel.org/stable/c/255dd31bfc4a67a19b1fc2cd130a50284dadfe3a	Patch
https://git.kernel.org/stable/c/428dc9fc0873989d73918d4a9cc22745b7bbc799	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.15:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.15:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.15:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.15:rc4::::::
	cpe:2.3:o:linux:linux_kernel:6.15:rc5::::::
	cpe:2.3:o:linux:linux_kernel:6.15:rc6::::::

History

No history.

Information

Published : 2025-06-18 10:15

Updated : 2025-11-17 12:56

NVD link : CVE-2025-38012

Mitre link : CVE-2025-38012

CVE.ORG link : CVE-2025-38012

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-908

Use of Uninitialized Resource

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