CVE-2023-4911
Published: Oct 3, 2023
Modified: May 12, 2026
CVSS v3.1
7.8
Description
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.
| Vendor | Product | Versions |
|---|---|---|
Unknown | glibc | affected 2.34 - < 2.39 |
Red Hat | Red Hat Enterprise Linux 8 | unaffected 0:2.28-225.el8_8.6 - < * |
Red Hat | Red Hat Enterprise Linux 8 | unaffected 0:2.28-225.el8_8.6 - < * |
Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | unaffected 0:2.28-189.6.el8_6 - < * |
Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:2.34-60.el9_2.7 - < * |
Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:2.34-60.el9_2.7 - < * |
Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | unaffected 0:2.34-28.el9_0.4 - < * |
Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | unaffected 0:2.28-189.6.el8_6 - < * |
Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | unaffected 0:4.5.3-10.el8ev - < * |
Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | unaffected 0:4.5.3-202312060823_8.6 - < * |
Red Hat | Red Hat Enterprise Linux 6 | All versions |
Red Hat | Red Hat Enterprise Linux 7 | All versions |
Red Hat | Red Hat Enterprise Linux 7 | All versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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