CVE-2026-43321

HIGH EPSS 2.2%
Published May 8, 20261mo ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published May 8, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
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

Threat Intelligence

EPSS Exploit Probability
2.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥6.19  –  <6.19.6
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 2

  • git.kernel.org https://git.kernel.org/stable/c/7beae54111c34ca63357ef120e115889b915beb5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d1aab1ca576c90192ba961094d51b0be6355a4d6
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/7beae54111c34ca63357ef120e115889b915beb5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d1aab1ca576c90192ba961094d51b0be6355a4d6
    Patch