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Vulnerability details: VCID-6yf6-65rp-aaaf
Vulnerability ID VCID-6yf6-65rp-aaaf
Aliases CVE-2022-28736
Summary CVE-2022-28736 grub2: use-after-free in grub_cmd_chainloader()
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
rhas Important https://access.redhat.com/errata/RHSA-2022:5095
rhas Important https://access.redhat.com/errata/RHSA-2022:5096
rhas Important https://access.redhat.com/errata/RHSA-2022:5098
rhas Important https://access.redhat.com/errata/RHSA-2022:5099
rhas Important https://access.redhat.com/errata/RHSA-2022:5100
cvssv3 7.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-28736.json
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rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=2092613
cvssv3.1 8.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 7.8 https://nvd.nist.gov/vuln/detail/CVE-2022-28736
cvssv3.1 7.8 https://nvd.nist.gov/vuln/detail/CVE-2022-28736
archlinux High https://security.archlinux.org/AVG-2762
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-28736.json
https://api.first.org/data/v1/epss?cve=CVE-2022-28736
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.netapp.com/advisory/ntap-20230825-0002/
https://www.openwall.com/lists/oss-security/2022/06/07/5
2092613 https://bugzilla.redhat.com/show_bug.cgi?id=2092613
AVG-2762 https://security.archlinux.org/AVG-2762
cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*
CVE-2022-28736 https://nvd.nist.gov/vuln/detail/CVE-2022-28736
RHSA-2022:5095 https://access.redhat.com/errata/RHSA-2022:5095
RHSA-2022:5096 https://access.redhat.com/errata/RHSA-2022:5096
RHSA-2022:5098 https://access.redhat.com/errata/RHSA-2022:5098
RHSA-2022:5099 https://access.redhat.com/errata/RHSA-2022:5099
RHSA-2022:5100 https://access.redhat.com/errata/RHSA-2022:5100
USN-6355-1 https://usn.ubuntu.com/6355-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-28736.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-28736
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-28736
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.04407
EPSS Score 0.00026
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.