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gentooGentoo FoundationGLSA-202311-14
HistoryNov 25, 2023 - 12:00 a.m.

GRUB: Multiple Vulnerabilities

2023-11-2500:00:00
Gentoo Foundation
security.gentoo.org
9
grub
vulnerability
upgrade
sys-boot
linux
cve
multiboot

8.6 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

22.4%

JSON

Background

GNU GRUB is a multiboot boot loader used by most Linux systems.

Description

Multiple vulnerabilities have been discovered in GRUB. 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 GRUB users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-boot/grub-2.06-r4"
OSVersionArchitecturePackageVersionFilename
Gentooanyallsys-boot/grub< 2.06-r4UNKNOWN

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8.6 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

22.4%

JSON
Related for GLSA-202311-14
oraclelinux4nessus48rocky2openvas29rosalinux2almalinux2redhat11debian3osv8ibm3fedora3redos1photon4cve2debiancve2ubuntucve2cbl_mariner6prion2veracode2redhatcve2amazon1ubuntu1hp2avleonov1