CVE-2023-2156 - Reachable Assertion

Severity

75%

Complexity

39%

Confidentiality

60%

A flaw was found in the networking subsystem of the Linux kernel within the handling of the RPL protocol. This issue results from the lack of proper handling of user-supplied data, which can lead to an assertion failure. This may allow an unauthenticated remote attacker to create a denial of service condition on the system.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Demo Examples

Reachable Assertion

CWE-617

In the excerpt below, an AssertionError (an unchecked exception) is thrown if the user hasn't entered an email address in an HTML form.


               
assert email != null;

Overview

First reported 1 year ago

2023-05-09 22:15:00

Last updated 1 year ago

2023-08-02 17:15:00

Affected Software

Linux Kernel

References

https://www.zerodayinitiative.com/advisories/ZDI-23-547/

https://bugzilla.redhat.com/show_bug.cgi?id=2196292

https://www.zerodayinitiative.com/advisories/ZDI-23-547/

Third Party Advisory, VDB Entry

https://bugzilla.redhat.com/show_bug.cgi?id=2196292

Issue Tracking, Third Party Advisory

[oss-security] 20230517 Re: IPv6 and Route of Death

[oss-security] 20230517 Re: IPv6 and Route of Death

[oss-security] 20230518 Re: IPv6 and Route of Death

[oss-security] 20230519 Re: IPv6 and Route of Death

https://security.netapp.com/advisory/ntap-20230622-0001/

DSA-5448

DSA-5453

[debian-lts-announce] 20230802 [SECURITY] [DLA 3512-1] linux-5.10 security update

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.