What is CVE-2026-93111?

CVE-2026-93111 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 7.2 onward and patched in 7.2.6 and 7.3-rc1. CVE-2026-93111 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-93111?

CVE-2026-93111 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2026-93111?

Yes, CVE-2026-93111 has been patched. Fixed versions include 7.2.6 and 7.3-rc1. If you are running Linux kernel 7.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-93111 actively exploited?

CVE-2026-93111 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-93111

High

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark tracing_multi trampolines as ftrace managed Since tracing_multi link does not set ftrace_managed, it would fail to release the tracing_multi link when attaching tracing_multi link and then attaching fentry link. [ 3.714215] WARNING: kernel/bpf/trampoline.c:1727 at bpf_trampoline_multi_detach+0x20b/0x240, CPU#1: test_progs/97 ... [ 3.733170] bpf_tracing_multi_link_release+0x14/0x30 [ 3.733890] bpf_link_free+0x58/0x130 [ 3.734414] bpf_link_release+0x23/0x30 Fix it by setting 'ftrace_managed = true' in register_fentry_multi().

Package Linux Kernel

Published 2026-09-17

Last modified 2026-09-18

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected versions

Linux kernel versions 7.2 and later are affected. Fixed in 7.2.6, 7.3-rc1 and their respective stable series.

Affected from

≥ 7.2

Fixed in

✓ 7.2.6 7.2.x ✓ 7.3-rc1

References

2 total

Details

CVE ID CVE-2026-93111

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2026-09-17

Modified 2026-09-18

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-93111?

CVE-2026-93111 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 7.2 onward and has been patched in 7.2.6 and 7.3-rc1. CVE-2026-93111 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-93111?

CVE-2026-93111 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2026-93111?

Yes. CVE-2026-93111 has been patched. Fixed versions include 7.2.6 and 7.3-rc1. If you are running Linux kernel 7.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-93111 actively exploited?

No. CVE-2026-93111 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.