CVE-2025-29481

Publication date 7 April 2025

Last updated 5 January 2026

Ubuntu priority

Cvss 3 Severity Score

Description

Buffer Overflow vulnerability in libbpf 1.5.0 allows a local attacker to execute arbitrary code via the bpf_object__init_prog` function of libbpf.

Read the notes from the security team

Why is this CVE negligible priority?

No security boundaries are crossed by this vulnerability

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
dwarves-dfsg	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Vulnerable
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Vulnerable
libbpf	25.10 questing	Not affected
	25.04 plucky	Vulnerable
	24.10 oracular	Ignored end of life, was deferred [2025-11-24]
	24.04 LTS noble	Vulnerable
	22.04 LTS jammy	Vulnerable
	20.04 LTS focal	Vulnerable

Notes

0xnishit

dwarves-dfsg embedded statically linked copy of libbpf 0.4

Per this upstream thread, the security implication of this issue is disputed, so this CVE is likely to get disputed also: https://lore.kernel.org/bpf/CAEf4Bzb2S+1TonOp9UH86r0e6aGG2LEA4kwbQhJWr=9Xju=NEw@mail.gmail.com/ https://lore.kernel.org/bpf/[email protected]/ A fix is available, but downgrading priority to negligible as using libbpf is a privileged operation so no security boundaries are crossed

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libbpf	Upstream: ee684de

Severity score breakdown

Parameter	Value
Base score	6.2 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H