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High severity7.8NVD Advisory· Published May 8, 2026· Updated Jun 17, 2026

CVE-2026-43321

CVE-2026-43321

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.

Affected products

11
  • Linux/Kernelinferred10 versions
    (expand)+ 9 more
    • (no CPE)
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.19,<6.19.6
    • cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*
    • (no CPE)
  • osv-coords
    pkg:linux/kernel
    Range: >= 6.19.0, < 6.19.6

Patches

Vulnerability mechanics

References

2

News mentions

1