GHSA-gh28-ww79-7h4vMediumCVSS 6.2
barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory...
🔗 CVE IDs covered (1)
📋 Description
barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4_common.c where the ext4fs_iterate_dir() function fails to validate that directory entry length values are non-zero. Attackers can supply a malicious ext4 filesystem image with a crafted directory entry containing a direntlen value of 0 to cause an infinite loop during directory listing or path resolution, resulting in the boot process hanging indefinitely.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-34962
- https://github.com/barebox/barebox
- https://github.com/barebox/barebox/releases/tag/v2026.04.0
- https://www.vulncheck.com/advisories/barebox-ext4-directory-parsing-infinite-loop-denial-of-service
- https://y637f9qq2x.com/posts/barebox-sandbox-vulns
- https://github.com/advisories/GHSA-gh28-ww79-7h4v