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gentooGentoo FoundationGLSA-202208-24
HistoryAug 14, 2022 - 12:00 a.m.

GNU C Library: Multiple Vulnerabilities

2022-08-1400:00:00
Gentoo Foundation
security.gentoo.org
88
gentoo linux
cve identifiers
dynamic linker
system calls
glibc-2.34-r7

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.017

Percentile

87.9%

JSON

Background

The GNU C library is the standard C library used by Gentoo Linux systems. It provides programs with basic facilities and interfaces to system calls. ld.so is the dynamic linker which prepares dynamically linked programs for execution by resolving runtime dependencies and related functions.

Description

Multiple vulnerabilities have been discovered in GNU C Library. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All GNU C Library users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.34-r7"
OSVersionArchitecturePackageVersionFilename
Gentooanyallsys-libs/glibc< 2.34-r7UNKNOWN

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GLSA-202208-24 : GNU C Library: Multiple Vulnerabilities
2022-08-15 00:00:00
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nvd
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cbl_mariner
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cvelist
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redhatcve
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CVE-2022-23218
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CVE-2022-23219
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broadcom
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GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow
2023-08-01 00:00:00
veracode
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Denial Of Service (DoS)
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Denial Of Service (DoS)
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Buffer overflow
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Buffer overflow
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cve
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CVE-2021-3998
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CVE-2022-23218
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CVE-2022-23219
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CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.017

Percentile

87.9%

JSON
Related for GLSA-202208-24
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