CVE-2026-43321

HIGH

bpf: Properly mark live registers for indirect jumps

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 7.8
EPSS 0.0001
EPSS Percentile 3.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (12)
Linux/Linux < 6.19
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 7beae54111c34ca63357ef120e115889b915beb5
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - d1aab1ca576c90192ba961094d51b0be6355a4d6
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - df02c3ff3be4bf998812c8c8e79d10db1329d535
Linux/Linux 493d9e0d608339a32f568504d5fd411a261bb0af - 7beae54111c34ca63357ef120e115889b915beb5
Linux/Linux 493d9e0d608339a32f568504d5fd411a261bb0af - d1aab1ca576c90192ba961094d51b0be6355a4d6
Linux/Linux 6.18.16 - 6.18.*
Linux/Linux 6.19
Linux/Linux 6.19.6 - 6.19.*
Linux/Linux 7.0
... and 2 more
Published May 08, 2026
Tracked Since May 08, 2026