Bug 2266841 (CVE-2021-47013) - CVE-2021-47013 kernel: net:emac/emac-mac: Fix a use after free in emac_mac_tx_buf_send
Summary: CVE-2021-47013 kernel: net:emac/emac-mac: Fix a use after free in emac_mac_tx...
Keywords:
Status: NEW
Alias: CVE-2021-47013
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2266842
Blocks: 2266939
TreeView+ depends on / blocked
 
Reported: 2024-02-29 07:25 UTC by Avinash Hanwate
Modified: 2024-06-11 17:27 UTC (History)
50 users (show)

Fixed In Version: kernel 4.9.269, kernel 4.14.233, kernel 4.19.191, kernel 5.4.119, kernel 5.10.37, kernel 5.11.21, kernel 5.12.4, kernel 5.13
Doc Type: If docs needed, set a value
Doc Text:
A use-after-free flaw was found in the Linux kernel’s Qualcomm Gigabit Ethernet Media Access Controller (EMAC) driver in how a user triggers an error path in the emac_tx_fill_tpd function. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Clone Of:
Environment:
Last Closed:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2024:3622 0 None None None 2024-06-05 09:02:28 UTC
Red Hat Product Errata RHBA-2024:3773 0 None None None 2024-06-10 15:10:56 UTC
Red Hat Product Errata RHSA-2024:3462 0 None None None 2024-05-29 08:16:13 UTC
Red Hat Product Errata RHSA-2024:3618 0 None None None 2024-06-05 00:30:41 UTC
Red Hat Product Errata RHSA-2024:3627 0 None None None 2024-06-05 10:01:34 UTC
Red Hat Product Errata RHSA-2024:3810 0 None None None 2024-06-11 17:27:23 UTC

Description Avinash Hanwate 2024-02-29 07:25:25 UTC
In the Linux kernel, the following vulnerability has been resolved:

net:emac/emac-mac: Fix a use after free in emac_mac_tx_buf_send

The Linux kernel CVE team has assigned CVE-2021-47013 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024022831-CVE-2021-47013-034a@gregkh/T/#u

Comment 1 Avinash Hanwate 2024-02-29 07:26:02 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266842]

Comment 5 Justin M. Forbes 2024-03-01 22:20:05 UTC
This was fixed for Fedora with the 5.12.4 stable kernel updates.

Comment 9 errata-xmlrpc 2024-05-29 08:16:09 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:3462 https://access.redhat.com/errata/RHSA-2024:3462

Comment 10 errata-xmlrpc 2024-06-05 00:30:38 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:3618 https://access.redhat.com/errata/RHSA-2024:3618

Comment 11 errata-xmlrpc 2024-06-05 10:01:27 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:3627 https://access.redhat.com/errata/RHSA-2024:3627

Comment 13 errata-xmlrpc 2024-06-11 17:27:19 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Extended Update Support

Via RHSA-2024:3810 https://access.redhat.com/errata/RHSA-2024:3810


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