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CVE-2021-36084

Description

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).

Risk Information

Base Score
3.3
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
EPSS Score
Exploitation Probability
0.015

Associated Vulnerability

VulnerabilityOS Platform
(RHSA-2021:4513) libsepol security update libsepol-debugsource-2.9-3.el8.i686.rpmLinux
(RHSA-2021:4513) libsepol security update libsepol-debugsource-2.9-3.el8.x86_64.rpmLinux
(RHSA-2021:4513) libsepol security update libsepol-2.9-3.el8.i686.rpmLinux
(RHSA-2021:4513) libsepol security update libsepol-2.9-3.el8.x86_64.rpmLinux
(RHSA-2021:4513)Moderate: security update libsepol-debuginfo-2.9-3.el8.i686.rpmLinux
(RHSA-2021:4513)Moderate: security update libsepol-debuginfo-2.9-3.el8.x86_64.rpmLinux
(RHSA-2021:4513) libsepol security update libsepol-devel-2.9-3.el8.i686.rpmLinux
(RHSA-2021:4513) libsepol security update libsepol-devel-2.9-3.el8.x86_64.rpmLinux
SELinux library for manipulating binary security policies (USN-5391-1) libsepol1_2.7-1ubuntu0.1_i386.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) libsepol1_2.7-1ubuntu0.1_amd64.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) libsepol1_3.0-1ubuntu0.1_i386.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) libsepol1_3.0-1ubuntu0.1_amd64.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) libsepol1_3.1-1ubuntu2.1_i386.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) libsepol1_3.1-1ubuntu2.1_amd64.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) sepol-utils_2.7-1ubuntu0.1_i386.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) sepol-utils_2.7-1ubuntu0.1_amd64.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) sepol-utils_3.0-1ubuntu0.1_i386.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) sepol-utils_3.0-1ubuntu0.1_amd64.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) sepol-utils_3.1-1ubuntu2.1_i386.debLinux
SELinux library for manipulating binary security policies (USN-5391-1) sepol-utils_3.1-1ubuntu2.1_amd64.debLinux
libsepol security update (RLSA-2021:4513) libsepol-2.9-3.el8.i686.rpmLinux
libsepol security update (RLSA-2021:4513) libsepol-2.9-3.el8.x86_64.rpmLinux
libsepol security update (RLSA-2021:4513) libsepol-devel-2.9-3.el8.i686.rpmLinux
libsepol security update (RLSA-2021:4513) libsepol-devel-2.9-3.el8.x86_64.rpmLinux
libsepol Security Update (ALAS-2023-017) libsepol-3.4-3.amzn2023.0.3.x86_64.rpmLinux
libsepol Security Update (ALAS-2023-017) libsepol-devel-3.4-3.amzn2023.0.3.x86_64.rpmLinux
libsepol Security Update (ALAS-2023-017) libsepol-utils-3.4-3.amzn2023.0.3.x86_64.rpmLinux
libsepol Security Update (ALAS-2023-017) libsepol-static-3.4-3.amzn2023.0.3.x86_64.rpmLinux
libsepol Security Update (ALAS-2023-2307) libsepol-2.5-10.amzn2.0.1.i686.rpmLinux
libsepol Security Update (ALAS-2023-2307) libsepol-2.5-10.amzn2.0.1.x86_64.rpmLinux
libsepol Security Update (ALAS-2023-2307) libsepol-devel-2.5-10.amzn2.0.1.x86_64.rpmLinux
libsepol Security Update (ALAS-2023-2307) libsepol-static-2.5-10.amzn2.0.1.x86_64.rpmLinux
Moderate: libsepol security update libsepol-2.9-3.el8.i686.rpmLinux
Moderate: libsepol security update libsepol-2.9-3.el8.x86_64.rpmLinux
Moderate: libsepol security update libsepol-devel-2.9-3.el8.i686.rpmLinux
Moderate: libsepol security update libsepol-devel-2.9-3.el8.x86_64.rpmLinux
libsepol Security Update (ALAS2-2023-2307) libsepol-2.5-10.amzn2.0.1.i686.rpmLinux
libsepol Security Update (ALAS2-2023-2307) libsepol-2.5-10.amzn2.0.1.x86_64.rpmLinux
libsepol Security Update (ALAS2-2023-2307) libsepol-devel-2.5-10.amzn2.0.1.x86_64.rpmLinux
libsepol Security Update (ALAS2-2023-2307) libsepol-static-2.5-10.amzn2.0.1.x86_64.rpmLinux
libsepol Security Update (ALAS2023-2023-017) libsepol-3.4-3.amzn2023.0.3.x86_64.rpmLinux
libsepol Security Update (ALAS2023-2023-017) libsepol-devel-3.4-3.amzn2023.0.3.x86_64.rpmLinux
libsepol Security Update (ALAS2023-2023-017) libsepol-static-3.4-3.amzn2023.0.3.x86_64.rpmLinux
libsepol Security Update (ALAS2023-2023-017) libsepol-utils-3.4-3.amzn2023.0.3.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234