Riskcovery

CVE-2026-43321

bpf: Properly mark live registers for indirect jumps

State
Published
Severity
7.8 High
Published
May 8, 2026
Updated
Oct 19, 2026
Reserved
May 1, 2026

Read the record on cve.org

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

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

Affected Products

ProductVersions
LinuxLinux
  • 493d9e0d608339a32f568504d5fd411a261bb0af to before 7beae54111c34ca63357ef120e115889b915beb5Affected
  • 493d9e0d608339a32f568504d5fd411a261bb0af to before d1aab1ca576c90192ba961094d51b0be6355a4d6Affected
LinuxLinux
  • 6.19Affected
  • before 6.19Not affected
  • 6.19.6 through 6.19.*Not affected
  • 7.0 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.