CVE-2026-72033
orangefs: keep the readdir entry size 64-bit in fill_from_part()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: orangefs: keep the readdir entry size 64-bit in fill_from_part() fill_from_part() computes the size of a directory entry in size_t but stores it in a __u32. An entry length near U32_MAX wraps it to a small value, bypasses the bounds check, and is then used to index the entry, reading far past the directory part -- an out-of-bounds read that oopses the kernel. Compute the size as a u64 so it cannot truncate; the bounds check then rejects the entry. The trailer is supplied by the userspace client.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.12
References 8
git.kernel.org
- stable/c/1679780f482feeb82acb5995587d4fb1d1fe82fd
- stable/c/a72bbb43689591c9d36e3bb45c2d4e688cf92682
- stable/c/36723b28e3293047f087f4501f1ef4ead418dd84
- stable/c/07c05601a9a8e5d4481b2a4a16dc0e3c5bc63ad9
- stable/c/fdf06a1b66ff39664b01c6bb6a2aa98d81e8ebe1
- stable/c/82fc886e244c76fadf05ef1958aaf8815478ccde
- stable/c/e3d325c0bdb7bc5d1b4cc8d8441d79794cd03729
- stable/c/18227a6bc98bd0ba96ed3ce9d5b28776a5a28dfc