Out-of-bounds Read Affecting rtla package, versions <0:5.14.0-611.45.1.el9_7


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.01% (4th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Out-of-bounds Read vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-ORACLE9-RTLA-15928302
  • published8 Apr 2026
  • disclosed14 Feb 2026

Introduced: 14 Feb 2026

CVE-2026-23204  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Oracle:9 rtla to version 0:5.14.0-611.45.1.el9_7 or higher.
This issue was patched in ELSA-2026-6153.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rtla package and not the rtla package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

net/sched: cls_u32: use skb_header_pointer_careful()

skb_header_pointer() does not fully validate negative @offset values.

Use skb_header_pointer_careful() instead.

GangMin Kim provided a report and a repro fooling u32_classify():

BUG: KASAN: slab-out-of-bounds in u32_classify+0x1180/0x11b0 net/sched/cls_u32.c:221

CVSS Base Scores

version 3.1