Bug 2226777 (CVE-2023-39189, ZDI-CAN-18745) - CVE-2023-39189 kernel: netfilter: nftables out-of-bounds read in nf_osf_match_one()
Summary: CVE-2023-39189 kernel: netfilter: nftables out-of-bounds read in nf_osf_match...
Keywords:
Status: NEW
Alias: CVE-2023-39189, ZDI-CAN-18745
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2227287 2227288 2242893
Blocks: 2225771
TreeView+ depends on / blocked
 
Reported: 2023-07-26 13:40 UTC by Mauro Matteo Cascella
Modified: 2024-10-12 08:28 UTC (History)
49 users (show)

Fixed In Version: kernel 6.6-rc1
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2024:2634 0 None None None 2024-05-01 01:21:58 UTC
Red Hat Product Errata RHBA-2024:2650 0 None None None 2024-05-02 00:14:44 UTC
Red Hat Product Errata RHBA-2024:2686 0 None None None 2024-05-02 22:49:53 UTC
Red Hat Product Errata RHSA-2024:2394 0 None None None 2024-04-30 10:11:19 UTC
Red Hat Product Errata RHSA-2024:2950 0 None None None 2024-05-22 09:14:12 UTC
Red Hat Product Errata RHSA-2024:3138 0 None None None 2024-05-22 09:51:13 UTC

Description Mauro Matteo Cascella 2023-07-26 13:40:06 UTC 
An out-of-bounds read issue was found in the Linux kernel in the nf_osf_match_one() function, which is used for nftables OS fingerprinting. This flaw requires CAP_NET_ADMIN to be exploited and could lead to information disclosure.
Comment 7 Mauro Matteo Cascella 2023-10-09 07:59:59 UTC 
Upstream fix:
https://github.com/torvalds/linux/commit/f4f8a7803119005e87b716874bec07c751efafec
Comment 8 Mauro Matteo Cascella 2023-10-09 15:48:22 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2242893]
Comment 10 Justin M. Forbes 2023-10-12 16:41:09 UTC 
This was fixed for Fedora with the 6.5.4 stable kernel updates.
Comment 11 errata-xmlrpc 2024-04-30 10:11:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:2394 https://access.redhat.com/errata/RHSA-2024:2394
Comment 12 errata-xmlrpc 2024-05-22 09:14:08 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:2950 https://access.redhat.com/errata/RHSA-2024:2950
Comment 13 errata-xmlrpc 2024-05-22 09:51:09 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:3138 https://access.redhat.com/errata/RHSA-2024:3138
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