Bug 1992798 (CVE-2021-38207) - CVE-2021-38207 kernel: buffer overflow in drivers/net/ethernet/xilinx/ll_temac_main.c by sending heavy network traffic for about ten minutes
Summary: CVE-2021-38207 kernel: buffer overflow in drivers/net/ethernet/xilinx/ll_tema...
Alias: CVE-2021-38207
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1992799
Blocks: 1992800
TreeView+ depends on / blocked
Reported: 2021-08-11 18:29 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-08-12 13:32 UTC (History)
44 users (show)

Fixed In Version: kernel 5.13
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Linux kernel. A buffer overflow and lockup, leading to a denial of service, can occur when a remote attacker sends heavy network traffic for approximately ten minutes. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Clone Of:
Last Closed: 2021-08-12 13:28:11 UTC

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-08-11 18:29:59 UTC
drivers/net/ethernet/xilinx/ll_temac_main.c in the Linux kerne allows local attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes.

Reference and upstream patch:

Comment 1 Guilherme de Almeida Suckevicz 2021-08-11 18:30:43 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1992799]

Comment 3 Product Security DevOps Team 2021-08-12 13:28:11 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):


Comment 4 Justin M. Forbes 2021-08-12 13:32:08 UTC
This was fixed for Fedora with the 5.12.13 stable kernel updates.

Note You need to log in before you can comment on or make changes to this bug.