Veracode Vulnerability DatabaseVERACODE:33225Denial Of Service (DoS)
3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
libsepol is vulnerable to denial of service. The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map).
| CPE | Name | Operator | Version |
|---|---|---|---|
| libsepol | eq | 2.9__1.el8 | |
| libsepol | eq | 2.8__2.el8 | |
| libsepol | eq | 2.9__2.el8 | |
| libsepol | eq | 2.9__1.el8 | |
| libsepol | eq | 2.8__2.el8 | |
| libsepol | eq | 2.9__2.el8 |
References
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
access.redhat.com/errata/RHSA-2021:4513
access.redhat.com/security/updates/classification/#moderate
bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124
bugzilla.redhat.com/show_bug.cgi?id=1979664
github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-421.yaml
github.com/SELinuxProject/selinux/commit/2d35fcc7e9e976a2346b1de20e54f8663e8a6cba
lists.fedoraproject.org/archives/list/[email protected]/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/
Related
3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P