Linuxsecurity SUSE acl Vulnerabilities Allow Local Privilege Escalation
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- •Critical vulnerabilities in SUSE acl and attr packages allow local privilege escalation.
- •Attackers can exploit symlink traversal issues in libacl functions.
- •Users must update to version 2.4.0 to mitigate risks from CVE-2026-54369, CVE-2026-54370, and CVE-2026-54371.
SUSE has released updates addressing critical vulnerabilities in the acl and attr packages, specifically CVE-2026-54369, CVE-2026-54370, and CVE-2026-54371. These vulnerabilities allow attackers to exploit symlink traversal issues in libacl functions, potentially leading to local privilege escalation. The affected functions include acl_get_file(), acl_set_file(), acl_extended_file(), and acl_delete_def_file(), which follow symbolic links and can be manipulated by an attacker controlling a pathname component. The vulnerabilities were published on June 29, 2026, and have been rated as important. Users are urged to update to version 2.4.0 to mitigate these risks. The updates were released on September 11 and September 14, 2026, with the latest advisory published on September 15, 2026. The vulnerabilities affect systems running SUSE 15 SP7 and other distributions utilizing the affected packages.
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