CVE-2026-54369
7.1 ÉlevéeDescription
acl before version 2.4.0 contains a symlink traversal vulnerability in the libacl pathname-based functions acl_get_file(), acl_set_file(), acl_extended_file(), and acl_delete_def_file() that allows local attackers to escalate privileges by replacing any pathname component with a symbolic link. Attackers who control any component of a pathname processed by a privileged caller can redirect ACL read or write operations to arbitrary files or directories, enabling unauthorized manipulation of access control lists and local privilege escalation.
Produits concernés
- acl project acl
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4.22
- Red Hat Discovery 2
- Red Hat Hardened Images
- Red Hat Insights proxy 1.5
- Red Hat OpenShift distributed tracing 3.10.2
- Red Hat Update Infrastructure 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat OpenShift Container Platform 4
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 4.0 | 8.4 Élevée | disclosure@vulncheck.com | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| 3.1 | 7.1 Élevée | disclosure@vulncheck.com | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| 3.1 | 7.1 Élevée | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
Faiblesses (CWE)
Références
- https://cgit.git.savannah.nongnu.org/cgit/acl.git/commit/?id=24a227d0ab8576612194f8a56c2314389adc74a5
- https://cgit.git.savannah.nongnu.org/cgit/acl.git/commit/?id=3589787cd589b34bdd9265936e17190b6d3f17d1
- https://www.vulncheck.com/advisories/acl-symlink-traversal-privilege-escalation-via-libacl-functions
- https://access.redhat.com/errata/RHSA-2026:34351
- https://access.redhat.com/errata/RHSA-2026:42736
- https://access.redhat.com/errata/RHSA-2026:42739
- https://access.redhat.com/errata/RHSA-2026:43420
- https://access.redhat.com/errata/RHSA-2026:44481
- https://access.redhat.com/errata/RHSA-2026:46836
- https://access.redhat.com/errata/RHSA-2026:50205
- https://access.redhat.com/errata/RHSA-2026:53371
- https://access.redhat.com/errata/RHSA-2026:54769
- https://access.redhat.com/errata/RHSA-2026:58981
- https://access.redhat.com/errata/RHSA-2026:64805
- https://access.redhat.com/errata/RHSA-2026:67140
- https://access.redhat.com/errata/RHSA-2026:67142
- https://access.redhat.com/errata/RHSA-2026:67144
- https://access.redhat.com/security/cve/CVE-2026-54369
- https://bugzilla.redhat.com/show_bug.cgi?id=2490277
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54369.json