CVE-2022-33103: denx u-boot Out-of-bounds Write
Modified
AliasesSUSE-SU-2022:2868-1SUSE-SU-2022:2869-1UBUNTU-CVE-2022-33103DEBIAN-CVE-2022-33103
Published 01-07-2022Last modified 03-11-2025
Vulnerability summary
CVE-2022-33103 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in denx u-boot. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.7% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 01-07-2022PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readdir().
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.46% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Opensuse83 products
- u-boot-avnetultra96rev1&distro=openSUSE Leap 15.3< 2021.01-150300.7.18.1
- u-boot-avnetultra96rev1&distro=openSUSE Leap 15.4< 2021.10-150400.4.11.1
- u-boot-bananapim64&distro=openSUSE Leap 15.3< 2021.01-150300.7.18.1
- u-boot-bananapim64&distro=openSUSE Leap 15.4< 2021.10-150400.4.11.1
- u-boot-dragonboard410c&distro=openSUSE Leap 15.3< 2021.01-150300.7.18.1
Suse4 products
- u-boot-rpiarm64&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 2021.01-150300.7.18.1
- u-boot-rpiarm64&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 2021.10-150400.4.11.1
- u-boot&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 2021.01-150300.7.18.1
- u-boot&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 2021.10-150400.4.11.1
Debian1 product
- u-boot< 2022.07+dfsg-1
Denx1 product
- u-boot≥ 2020.10, < 2022.07 | 2022.07:rc1 | 2022.07:rc2 | 2022.07:rc3
Ubuntu1 product
- u-bootAll versions (No fix recorded) | < 2020.10+dfsg-1ubuntu0~18.04.3 | < 2021.01+dfsg-3ubuntu0~20.04.5 | < 2022.01+dfsg-2ubuntu2.3
5 vendors · 90 products