Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur for a crafted squashfs filesystem via sbrk, via request2size,
Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur for a crafted squashfs filesystem via sbrk, via request2size, or because ptrdiff_t is mishandled on x86_64.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Feb 18, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 14th percentile
- CWE
- CWE-190
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 7.8
- CNA · mitre
- 7.1
- 0.7 point gap
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| denx | u-boot | cpe:2.3:a:denx:u-boot |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- denx u-bootup to 2024.10 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (mitre). Independent of NVD's CPE analysis and usually ahead of it.
denx U-Boot
- before 2025.01-rc1affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:11 | u-boot | before 2021.01+dfsg-5+deb11u1 | 2021.01+dfsg-5+deb11u1 |
| Debian:12 | u-boot | before 2023.01+dfsg-2+deb12u2 | 2023.01+dfsg-2+deb12u2 |
| Debian:13 | u-boot | before 2025.01-1 | 2025.01-1 |
| openSUSE:Leap 15.6 | u-boot-avnetultra96rev1 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-bananapim64 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-dragonboard410c | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-dragonboard820c | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-evb-rk3399 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-firefly-rk3399 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-geekbox | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-hikey | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-khadas-vim | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-khadas-vim2 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-libretech-ac | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-libretech-cc | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-ls1012afrdmqspi | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-mvebudb-88f3720 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-mvebudbarmada8k | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-mvebuespressobin-88f3720 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-mvebumcbin-88f8040 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-nanopia64 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-odroid-c2 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-odroid-c4 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
| openSUSE:Leap 15.6 | u-boot-odroid-n2 | before 2021.10-150600.11.3.1 | 2021.10-150600.11.3.1 |
+27
Same product
denx: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-34835In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the40Plan
- CVE-2022-30767nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, le40Plan
- CVE-2020-8432In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function.40Plan
- CVE-2019-14204An issue was discovered in Das U-Boot through 2019.07.40Plan
- CVE-2019-14203An issue was discovered in Das U-Boot through 2019.07.40Plan
- CVE-2019-14202An issue was discovered in Das U-Boot through 2019.07.40Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:u-boot | 2023.01+dfsg-2+deb12u2 · Debian:12 | Package registry (OSV) |
| opensuse:u-boot | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-avnetultra96rev1 | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-bananapim64 | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-dragonboard410c | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-dragonboard820c | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-evb-rk3399 | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-firefly-rk3399 | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-geekbox | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-hikey | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-khadas-vim | 2021.10-150600.11.3.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:u-boot-xilinxzynqmpgeneric | 2020.01-150200.10.18.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| suse:u-boot | 2021.10-150600.11.3.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP6 | Package registry (OSV) |
| suse:u-boot-rpiarm64 | 2021.10-150400.4.14.1 · SUSE:Linux Enterprise Micro 5.3 | Package registry (OSV) |
| suse:u-boot-rpiarm64 | 2021.10-150600.11.3.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP6 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2024-572540 days apartAn integer overflow in sqfs_inode_size in Das U-Boot before 2025.01-rc1 occurs in the symlink size calculation via a crafted squashfs filesy27Monitor
- CVE-2024-572550 days apartAn integer overflow in sqfs_resolve_symlink in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with an inode size of 27Monitor
- CVE-2024-572560 days apartAn integer overflow in ext4fs_read_symlink in Das U-Boot before 2025.01-rc1 occurs for zalloc (adding one to an le32 variable) via a crafted27Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-190 · Integer Overflow or WraparoundCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- source.denx.de/u-boot/u-boot/-/commit/0a10b49206a29b4aa2f80233a3e53ca0466bb0b3
- source.denx.de/u-boot/u-boot/-/commit/8642b2178d2c4002c99a0b69a845a48f2ae2706f
- source.denx.de/u-boot/u-boot/-/commit/c17b2a05dd50a3ba437e6373093a0d6a359cdee0
- www.openwall.com/lists/oss-security/2025/02/17/2
- lists.debian.org/debian-lts-announce/2025/05/msg00001.html
- cert-portal.siemens.com/productcert/html/ssa-577017.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.