Distribution advisory
This page covers CVE-2025-24857 as tracked by Debian, for the package u-boot. The fix is available in version 2017.11+dfsg1-2; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached with physical access to the device, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.
CVSS metrics in full
The score comes from this vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Attack vector: Physical — the attacker has to touch the device.
- Attack complexity: Low — the attack works reliably, with no preparation.
- Privileges required: None — an unauthenticated stranger can try it.
- User interaction: None — nobody has to be tricked into anything.
- Scope: Changed — a successful attack reaches components beyond the vulnerable one.
- Confidentiality impact: High — total loss, or loss the attacker controls.
- Integrity impact: High — total loss, or loss the attacker controls.
- Availability impact: High — total loss, or loss the attacker controls.
Weakness class
DEBIAN-CVE-2025-24857 is classified as CWE-284: Improper Access Control. The software does not restrict an action to the actors that should be allowed to perform it.
Affected software
DEBIAN-CVE-2025-24857 is recorded against 1 package.
- u-boot (fixed in 2017.11+dfsg1-2)
Timeline and source
Published on 10 December 2025 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
security-tracker.debian.org (Advisory)
Other advisories for this package
u-boot has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-284: Improper Access Control) in other software:
