CVE-2026-43321

Published: May 8, 2026

Modified: May 11, 2026

PUBLISHED

CVSS v3.1

7.8

HIGH

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Properly mark live registers for indirect jumps For a `gotox rX` instruction the rX register should be marked as used in the compute_insn_live_regs() function. Fix this.

Vendor	Product	Versions
Linux	Linux	affected `493d9e0d608339a32f568504d5fd411a261bb0af - < 7beae54111c34ca63357ef120e115889b915beb5` affected `493d9e0d608339a32f568504d5fd411a261bb0af - < d1aab1ca576c90192ba961094d51b0be6355a4d6`
Linux	Linux	affected `6.19` unaffected `0 - < 6.19` unaffected `6.19.6 - <= 6.19.` unaffected `7.0 - <= `

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://git.kernel.org/stable/c/7beae54111c34ca63357ef120e115889b915beb5

https://git.kernel.org/stable/c/d1aab1ca576c90192ba961094d51b0be6355a4d6

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CVE-2026-43321

Description

Affected Products

CVSS v3.1 Details

References