CVE-2026-43321CWE-682

CVE-2026-43321

High · published May 8, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
5.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00165 · 5.4th percentile
Weakness
CWE-682 · Incorrect Calculation
Published
2026-05-08T18:16Z
Affected products (8)
ProductVersionsFixed in
linux/linux_kernel≥ 6.19, < 6.19.66.19.6
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (2)
https://git.kernel.org/stable/c/7beae54111c34ca63357ef120e115889b915beb5 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d1aab1ca576c90192ba961094d51b0be6355a4d6 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 08 MAY 13:26Z
    bpf: Properly mark live registers for indirect jumps
    cvelistv5