xfs_fsr in xfsdump creates a .fsr temporary directory with insecure permissions, which allows local users to read or overwrite arbitrary fi…

published 2007-05-14 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-2646

cvss: 4.4; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits: 0; none known

xfs_fsr in xfsdump creates a .fsr temporary directory with insecure permissions, which allows local users to read or overwrite arbitrary files on xfs filesystems.

Patch / fix

distros 1

xfsdump Debian 14, Debian 13, Debian 12 2.2.45-1

debian advisories DEBIAN-CVE-2007-2654

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

bugs.debian.org http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=417894 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.4	AV:L/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

bugs.debian.org /cgi-bin/bugreport.cgi?bug=417894
exploit
ubuntu.com /usn/usn-516-1
vendor-advisory
novell.com /linux/security/advisories/2007_10_sr.html
vendor-advisory
mandriva.com /security/advisories?name=MDKSA-2007:134
vendor-advisory
secunia.com /advisories/25761
third-party-advisory, vendor-advisory
secunia.com /advisories/26867
third-party-advisory, vendor-advisory
secunia.com /advisories/25425
third-party-advisory, vendor-advisory
secunia.com /advisories/25220
third-party-advisory, vendor-advisory
securityfocus.com /bid/23922
vdb-entry
osvdb.org /36716
vdb-entry

Sources

CVE List CVE-2007-2654
NVD CVE-2007-2654

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary