Bug 2079802 (CVE-2022-1516) - CVE-2022-1516 kernel: null-ptr-deref caused by x25_disconnect
Summary: CVE-2022-1516 kernel: null-ptr-deref caused by x25_disconnect
Alias: CVE-2022-1516
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 2079899
Blocks: 2079798 2079994
TreeView+ depends on / blocked
Reported: 2022-04-28 09:46 UTC by Alex
Modified: 2023-07-11 10:51 UTC (History)
48 users (show)

Fixed In Version: Linux kernel 5.18-rc1
Doc Type: If docs needed, set a value
Doc Text:
A NULL pointer dereference flaw was found in the Linux kernel’s X.25 set of standardized network protocols functionality in the way a user terminates their session using a simulated Ethernet card and continued usage of this connection. This flaw allows a local user to crash the system.
Clone Of:
Last Closed: 2022-04-28 17:15:17 UTC

Attachments (Terms of Use)

Description Alex 2022-04-28 09:46:29 UTC
An issue was discovered in the Linux kernel. There is a null pointer deference in functionality of the X.25 set of standardized network protocols in net/x25/af_x25.c.

Reference and upstream patch:

Comment 3 Alex 2022-04-28 13:04:30 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2079899]

Comment 5 Product Security DevOps Team 2022-04-28 17:15:14 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):


Comment 7 Justin M. Forbes 2022-05-06 19:50:45 UTC
This was fixed for Fedora with the 5.16.19 stable kernel updates.

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