HarborGuard / CVE
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HIGHCVE-2026-43321Published Modified CNA Linux

CVE-2026-43321: bpf: Properly mark live registers for indirect jumps

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.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
0
Affected Products
2

Fix available

06.19.67.07beae54111c34ca63357ef120e115889b915beb5d1aab1ca576c90192ba961094d51b0be6355a4d6
Affected packages
  • Linux / Linux
    < 7beae54111c34ca63357ef120e115889b915beb5 (from 493d9e0d608339a32f568504d5fd411a261bb0af) · < d1aab1ca576c90192ba961094d51b0be6355a4d6 (from 493d9e0d608339a32f568504d5fd411a261bb0af)
  • Linux / Linux
    6.19
    Fixed in 0, 6.19.6, 7.0
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H