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Description

attr before version 2.6.0 contains a symlink traversal vulnerability in the getfattr and setfattr utilities that allows local attackers to escalate privileges by replacing a pathname component with a symbolic link during directory hierarchy traversal. Attackers who control a pathname component can redirect getfattr and setfattr operations to arbitrary files by substituting a symlink, leading to local privilege escalation when getfattr or setfattr is invoked by a privileged process over an attacker-controlled path.

PUBLISHED Reserved 2026-06-12 | Published 2026-06-29 | Updated 2026-07-06 | Assigner VulnCheck




HIGH: 8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

HIGH: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Problem types

Improper Link Resolution Before File Access ('Link Following')

Product status

Default status
affected

Any version before 2.6.0
affected

Credits

Andrew Tridgell finder

Andreas Gruenbacher remediation developer

References

access.redhat.com/security/cve/CVE-2026-54371 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2490283 (RHBZ#2490283) issue-tracking

security.access.redhat.com/...2/vex/2026/cve-2026-54371.json

access.redhat.com/errata/RHSA-2026:34889 vendor-advisory

cgit.git.savannah.nongnu.org/...446edf4b5eb1a2d892281f15a99b patch

cgit.git.savannah.nongnu.org/...f06940b9100fa638f85dddc4aa7f issue-tracking

www.vulncheck.com/...vilege-escalation-via-getfattr-setfattr third-party-advisory

cve.org (CVE-2026-54371)

nvd.nist.gov (CVE-2026-54371)

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