Bug 1883552 (CVE-2021-28210) - CVE-2021-28210 edk2: unlimited FV recursion, round 2
Summary: CVE-2021-28210 edk2: unlimited FV recursion, round 2
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2021-28210
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1899493 1911023 1892354 1899492
Blocks: 1883558
TreeView+ depends on / blocked
 
Reported: 2020-09-29 14:38 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-10-28 12:10 UTC (History)
11 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in edk2. An unlimited recursion in DxeCore may allow an attacker to corrupt the system memory. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Clone Of:
Environment:
Last Closed: 2021-10-28 12:10:13 UTC


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
TianoCore 1743 0 None None None 2020-10-01 07:59:22 UTC

Description Guilherme de Almeida Suckevicz 2020-09-29 14:38:55 UTC
Reference:
https://bugzilla.tianocore.org/show_bug.cgi?id=1743

Comment 1 Laszlo Ersek 2020-10-01 08:14:22 UTC
Upstream patch is ready and has been reviewed:

https://bugzilla.tianocore.org/show_bug.cgi?id=1743#c19
https://bugzilla.tianocore.org/show_bug.cgi?id=1743#c20

Comment 5 Riccardo Schirone 2020-11-19 12:13:06 UTC
Created edk2 tracking bugs for this issue:

Affects: epel-all [bug 1899493]
Affects: fedora-all [bug 1899492]

Comment 6 Laszlo Ersek 2020-11-21 01:45:48 UTC
Upstream fix merged as commit range 6c8dd15c4ae4..47343af30435, via <https://github.com/tianocore/edk2/pull/1137>.


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