CVE-2023-4911
- Source
- https://cve.org/CVERecord?id=CVE-2023-4911
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4911.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-4911
- Downstream
- Related
- Published
- 2023-10-03T18:15:10.463Z
- Modified
- 2026-03-15T22:47:47.242271Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBCTUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBCTUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.
- References
-
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4911
- https://access.redhat.com/errata/RHSA-2023:5455
- https://access.redhat.com/errata/RHSA-2023:5454
- https://security.gentoo.org/glsa/202310-03
- https://security.netapp.com/advisory/ntap-20231013-0006/
- https://access.redhat.com/errata/RHSA-2023:5453
- https://access.redhat.com/errata/RHSA-2024:0033
- https://www.qualys.com/cve-2023-4911/
- https://access.redhat.com/errata/RHSA-2023:5476
- https://access.redhat.com/security/cve/CVE-2023-4911
- https://bugzilla.redhat.com/show_bug.cgi?id=2238352
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/
- http://www.openwall.com/lists/oss-security/2023/10/14/3
- https://www.debian.org/security/2023/dsa-5514
- http://www.openwall.com/lists/oss-security/2023/10/03/3
- http://www.openwall.com/lists/oss-security/2023/10/13/11
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/
- http://www.openwall.com/lists/oss-security/2023/10/14/6
- http://www.openwall.com/lists/oss-security/2023/10/05/1
- http://www.openwall.com/lists/oss-security/2023/10/14/5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/
- http://www.openwall.com/lists/oss-security/2023/10/03/2
- http://packetstormsecurity.com/files/176288/Glibc-Tunables-Privilege-Escalation.html
- https://www.exploit-db.com/exploits/52479
- http://packetstormsecurity.com/files/174986/glibc-ld.so-Local-Privilege-Escalation.html
- http://seclists.org/fulldisclosure/2023/Oct/11
- https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt
Affected packages
Git / sourceware.org/git/glibc.git
Affected versions
glibc-2.*
glibc-2.34
glibc-2.34.9000
glibc-2.35
glibc-2.35.9000
glibc-2.36
glibc-2.36.9000
glibc-2.37
glibc-2.37.9000
glibc-2.38
glibc-2.38.9000
Database specific
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "37"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "38"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "39"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0_aarch64"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2_aarch64"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4_aarch64"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6_aarch64"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0_s390x"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2_s390x"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4_s390x"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6_s390x"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "4.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "4.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0_aarch64"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6_aarch64"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2_aarch64"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4_aarch64"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6_aarch64"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0_s390x"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2_s390x"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4_s390x"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6_s390x"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6_ppc64le"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "8.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.2"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.4"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "22.04"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "23.04"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "11.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "12.0"
}
]
}
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4911.json"