CVE-2026-43321

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux493d9e0d608339a32f568504d5fd411a261bb0af < 7beae54111c34ca63357ef120e115889b915beb5affected
LinuxLinux493d9e0d608339a32f568504d5fd411a261bb0af < d1aab1ca576c90192ba961094d51b0be6355a4d6affected
LinuxLinux6.19affected
LinuxLinux0 < 6.19unaffected
LinuxLinux6.19.6 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References