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RedHatRHSA-2023:5476HistoryOct 05, 2023 - 1:52 p.m.
(RHSA-2023:5476) Important: glibc security update
2023-10-0513:52:32
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48
glibc
buffer overflow
privilege escalation
libc
libpthread
libm
nscd
linux system
CVSS3
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.028
Percentile
90.8%
The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly.
Security Fix(es):
- glibc: buffer overflow in ld.so leading to privilege escalation (CVE-2023-4911)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| RedHat | 8 | ppc64le | glibc-langpack-dsb | < 2.28-189.6.el8_6 | glibc-langpack-dsb-2.28-189.6.el8_6.ppc64le.rpm |
| RedHat | 8 | ppc64le | glibc-common | < 2.28-189.6.el8_6 | glibc-common-2.28-189.6.el8_6.ppc64le.rpm |
| RedHat | 8 | x86_64 | glibc-langpack-hif | < 2.28-189.6.el8_6 | glibc-langpack-hif-2.28-189.6.el8_6.x86_64.rpm |
| RedHat | 8 | aarch64 | glibc-gconv-extra-debuginfo | < 2.28-189.6.el8_6 | glibc-gconv-extra-debuginfo-2.28-189.6.el8_6.aarch64.rpm |
| RedHat | 8 | s390x | glibc-langpack-fy | < 2.28-189.6.el8_6 | glibc-langpack-fy-2.28-189.6.el8_6.s390x.rpm |
| RedHat | 8 | i686 | glibc | < 2.28-189.6.el8_6 | glibc-2.28-189.6.el8_6.i686.rpm |
| RedHat | 8 | s390x | glibc-langpack-mag | < 2.28-189.6.el8_6 | glibc-langpack-mag-2.28-189.6.el8_6.s390x.rpm |
| RedHat | 8 | ppc64le | glibc-langpack-fi | < 2.28-189.6.el8_6 | glibc-langpack-fi-2.28-189.6.el8_6.ppc64le.rpm |
| RedHat | 8 | aarch64 | glibc-debuginfo | < 2.28-189.6.el8_6 | glibc-debuginfo-2.28-189.6.el8_6.aarch64.rpm |
| RedHat | 8 | ppc64le | glibc-langpack-om | < 2.28-189.6.el8_6 | glibc-langpack-om-2.28-189.6.el8_6.ppc64le.rpm |
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CVSS3
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.028
Percentile
90.8%
Related for RHSA-2023:5476