HIGH🚩 CISA KEV⚡ EXPLOIT✓ PATCH🇵🇱 Wersja polska

CVE-2023-4911

CVSS 7.8v3.1pub. 2023-10-03upd. 2026-05-12

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Canonical Ubuntu
OS
Canonical
22.0423.04
Debian
OS
Debian
11.012.0
Fedora Project Fedora
OS
Fedoraproject
373839
Gnu Glibc
APP
Gnu
2.34 – 2.39 (bez)
Netapp Bootstrap Os
OS
Netapp
wszystkie wersje
Netapp H300s
HW
Netapp
wszystkie wersje
Netapp H300s Firmware
OS
Netapp
wszystkie wersje
Netapp H410c
HW
Netapp
wszystkie wersje
Netapp H410c Firmware
OS
Netapp
wszystkie wersje
Netapp H410s
HW
Netapp
wszystkie wersje
Netapp H410s Firmware
OS
Netapp
wszystkie wersje
Netapp H500s
HW
Netapp
wszystkie wersje
Netapp H500s Firmware
OS
Netapp
wszystkie wersje
Netapp H700s
HW
Netapp
wszystkie wersje
Netapp H700s Firmware
OS
Netapp
wszystkie wersje
Netapp Hci Compute Node
HW
Netapp
wszystkie wersje
Netapp Ontap Select Deploy Administration Utility
APP
Netapp
wszystkie wersje
Red Hat Codeready Linux Builder
APP
Redhat
9.0
Red Hat Codeready Linux Builder Eus
APP
Redhat
8.69.29.49.6
Red Hat Codeready Linux Builder For Arm64
APP
Redhat
9.0_aarch64
Red Hat Codeready Linux Builder For Arm64 Eus
APP
Redhat
8.69.2_aarch649.4_aarch649.6_aarch64
Red Hat Codeready Linux Builder For IBM Z Systems
APP
Redhat
9.0_s390x
Red Hat Codeready Linux Builder For IBM Z Systems Eus
APP
Redhat
8.69.2_s390x9.4_s390x9.6_s390x
Red Hat Codeready Linux Builder For Power Little Endian
APP
Redhat
9.0_ppc64le
Red Hat Codeready Linux Builder For Power Little Endian Eus
APP
Redhat
8.69.2_ppc64le9.4_ppc64le9.6_ppc64le
Red Hat Enterprise Linux
OS
Redhat
8.09.0
Red Hat Enterprise Linux Eus
OS
Redhat
8.69.29.49.6
Red Hat Enterprise Linux For Arm 64
OS
Redhat
9.0_aarch64
Red Hat Enterprise Linux For Arm 64 Eus
OS
Redhat
8.6_aarch649.2_aarch649.4_aarch649.6_aarch64
Red Hat Enterprise Linux For IBM Z Systems
OS
Redhat
9.0_s390x

CISA KEV — detailsi

Vendori: GNU
Producti: GNU C Library
Added to KEVi: November 21, 2023
Remediation deadline (US Federal)i: December 12, 2023(overdue)

🇺🇸CISA KEV (original)↗

Required action (CISA)i

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA descriptioni

GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.

🔴