Out-of-bounds read when setting hmac data
CVE-2023-2860

4.4MEDIUM

Key Information:

Vendor

Red Hat
Status
Kernel
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
24 July 2023

What is CVE-2023-2860?

An out-of-bounds read vulnerability was found in the SR-IPv6 implementation in the Linux kernel. The flaw exists within the processing of seg6 attributes. The issue results from the improper validation of user-supplied data, which can result in a read past the end of an allocated buffer. This flaw allows a privileged local user to disclose sensitive information on affected installations of the Linux kernel.

Affected Version(s)

kernel 6.0-rc5

References

https://access.redhat.com/security/cve/CVE-2023-2860
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2218122
issue-trackingx_refsource_REDHAT
https://www.zerodayinitiative.com/advisories/ZDI-CAN-18511

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2023-2860 : Out-of-bounds read when setting hmac data