Bug 2468047 (CVE-2026-43321) - CVE-2026-43321 kernel: bpf: Properly mark live registers for indirect jumps
Summary: CVE-2026-43321 kernel: bpf: Properly mark live registers for indirect jumps
Keywords:
Status: NEW
Alias: CVE-2026-43321
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-08 14:01 UTC by OSIDB Bzimport
Modified: 2026-05-08 19:18 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:


Attachments (Terms of Use)

Description OSIDB Bzimport 2026-05-08 14:01:49 UTC
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.


Note You need to log in before you can comment on or make changes to this bug.